Wealth effects and the consumption of Italian households in the Great Recession
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Bottazzi, Renata; Trucchi, Serena; Wakefield, Matthew Working Paper Wealth effects and the consumption of Italian households in the Great Recession Quaderni - Working Paper DSE, No. 1097 Provided in Cooperation with: University of Bologna, Department of Economics Suggested Citation: Bottazzi, Renata; Trucchi, Serena; Wakefield, Matthew (2017) : Wealth effects and the consumption of Italian households in the Great Recession, Quaderni - Working Paper DSE, No. 1097, Alma Mater Studiorum - Università di Bologna, Dipartimento di Scienze Economiche (DSE), Bologna, https://doi.org/10.6092/unibo/amsacta/5522 This Version is available at: https://hdl.handle.net/10419/177597 Standard-Nutzungsbedingungen: Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden. Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen. Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Terms of use: Documents in EconStor may be saved and copied for your personal and scholarly purposes. You are not to copy documents for public or commercial purposes, to exhibit the documents publicly, to make them publicly available on the internet, or to distribute or otherwise use the documents in public. If the documents have been made available under an Open Content Licence (especially Creative Commons Licences), you may exercise further usage rights as specified in the indicated licence. https://creativecommons.org/licenses/by-nc/3.0/
ISSN 2282-6483 Wealth Effects and the Consumption of Italian Households in the Great Recession Renata Bottazzi Serena Trucchi Matthew Wakefield Quaderni - Working Paper DSE N°1097
1 Thisversion:August2015 WealthEffectsandthe ConsumptionofItalianHouseholds intheGreatRecession* RenataBottazzi(UniversityofBolognaandInstituteforFiscalStudies,London) SerenaTrucchi(UniversityCollegeLondon) MatthewWakefield(UniversityofBolognaandInstituteforFiscalStudies,London) Abstract WeestimatemarginalpropensitiestoconsumefromwealthshocksforItalianhouseholdsinthe earlypartoftheGreatRecession.Largeassetpriceshocksin2008underpinanIVestimator.A eurofallinriskyfinancialwealthresultedincutsinannualtotal(non‐durable)consumptionof8.5‐ 9(5.5‐5.7)cents.Thereisevidenceofeffectsonfoodspending.Responsesoftotalandnon‐ durablespendingtochangesinhousingwealthare0.2to0.3cents/euro.Pointestimatesofthe effectofthefinancialwealthshockarelargeriftheyoungestand/oroldesthouseholdsare excluded.Resultsindicatethatresponsestothewealthshockwerestrongerforthosewho becamepessimisticaboutthestockmarket,andforthoseownersofriskyassetswhoalsoheld mortgagedebt.Counterfactualsindicatefinancialwealtheffectswereimportant(relativetoother factors)forconsumptionfallsinItalyin2007/08. Keywords:Wealtheffects;householdconsumption;theGreatRecession JELcodes:D12, D91 *ThispapersubstantiallyimprovesonBottazzi,TrucchiandWakefield(2013)andearlierversionswere circulatedandpresentedunderthetitle“TheEffectsoftheFinancialCrisisofthelate2000sontheWealth, ConsumptionandSavingofHouseholdsinItaly”. Thenameorderofauthorsisalphabetical. Contactdetails:Bottazzi:renata.bottazzi(at)unibo.it;Trucchi:serena.trucchi(at)ucl.ac.uk; Wakefield(correspondingauthor):matthew.wakefield(at)unibo.it; DepartmentofEconomics‐UniversityofBologna,PiazzaScaravilli2,Bologna,40126(BO),Italy. TheauthorsgratefullyacknowledgefinancialsupportfromMIUR‐PRIN2010‐11,project2010T8XAXB_006 andfromMIUR‐FIRB2008,projectRBFR089QQC‐003‐J31J10000060001.Wethank:AndreaNeriattheBank ofItalyforsupportregardingtheSHIWdataandpatienceinfieldingourqueries;RichardBlundell,Tom Crossley,CarlEmmerson,LucaNunziataandLuigiPistaferriforcommentsatvariousstagesofourproject; and,seminarparticipants(includingseveraldiligentdiscussants)at:theWarsawInternationalEconomics Meetings,2012;theCERPconferenceonFinancialLiteracy,SavingandRetirementinanAgeingSociety, 2012;theRoyalEconomicSocietyAnnualConference,2013;theconferenceoftheItalianSocietyof Economists(Societa’ItalianadegliEconomisti),2013;the12thWorkshopofMacro‐Dynamics,2013;the NetsparInternationalPensionsWorkshop,2014;theInstituteForFiscalStudies,2014;andattwomeetings ofourMIUR‐FIRB2008projectgroup(bothinPadua),forconstructivefeedback.Allerrorsareourown.
2 WealthEffectsandtheConsumption ofItalianHouseholdsintheGreatRecession 1.Introduction Astrikingfeatureoftheearlypartofthe“GreatRecession”wasasuddencrashinthevalueof financialassets.Majorstock‐marketindices1intheUSandtheUKapproximatelyhalvedinvalue betweenpeaksinautumn/summer2007andlowsinMarch2009.ThedropinvalueofItaly’sFTSE‐ MIBwasevenmorepronouncedatmorethan60%betweenMay2007andMarch2009. Furthermore,alargepartofthechangesinassetvaluesoccurredduringthecentralmonthsof 2008,andsohouseholdsthatheldwealthinthestockmarketsufferedasudden,potentiallylarge andmostlyunanticipatedshocktothevalueoftheirfinancialwealth.Alongsidethesefallsinasset valuesthereweresubstantialfallsinhouseholds’consumptionexpenditures.Figure1.1shows thatforItalythepathofaggregateconsumptioncloselyshadowedthepathofthestock‐market index,witha3percentfallbetweenlate2007andmid2009that,ifanything,slightlylaggedthe fallinstockprices. Ouraimistousetheshocktoassetvaluesobservedin2008tomeasurethestrengthofthe responseofconsumptionspendingtothechangeinthevalueoffinancialwealth,fora representativesampleofItalianhouseholds.Giventhetimeperiodweareobservingwewillalso beabletocommentontheimportanceofthese“wealtheffects”,relativetootherfactors,in drivingthefallinhouseholds’consumptionduringtheearlypartoftheGreatRecessioninItaly. Amongthese“otherfactors”weconsidertheroleofchangesinhousingwealth.However,unlike theUSandUK,housevaluesinItalydidnotsufferlargefallsnearthebeginningoftheGreat Recession(AgenziadelTerritorio,2012),andsoouremphasisisontheeffectsoffinancialwealth.2 [Figure1.1abouthere] The2008shocktoassetvaluesisnotonlyusefulforusinprovidingempiricalvariationand thechancetoanalysetheimportanceofthisdriverofconsumptionintherecession,itisalso fundamentaltoourstrategyfordealingwithakeyendogeneityproblem.Allelseequal,a householdthatcuts(increases)itsconsumptionbymore,willmechanicallyaccumulatemore(less) 1TheDowJonesIndustrialAveragefortheU.S.,andtheFTSE“AllShare”fortheUK. 2Theabsenceofafallinhousevaluesalsounderpinsthelimitedeffectofwealthonconsumptioninresultsfromthe BankofItalyquarterlymodelforthe2006‐08period,reportedinRodanoandRondinelli(2014).
3 wealth.Unlessthisisproperlyaccountedforintheempiricalsetup,thiscouldleadtoa downwardsbiasin,orevenanegativeestimateof,wealtheffects.Weusetheideathatthe2008 shocktoassetvaluescanprovideasourceofvariationinwealththatisexogenoustohouseholds’ consumptionbehaviour.ApplyingamethodproposedbyBanksetal(2012),thisinsightisusedto buildaninstrumentalvariables(IV)estimator.Theprecisenatureoftheestimatorisdiscussedin section3. Ourstudyisrelatedtootherpapersthathaveaimedtoestimatetheimportanceofwealth effectsindrivingconsumptionbehaviourduringtheGreatRecession.Inaninfluentialstudyofthe U.S.,Mian,RaoandSufi(2013)estimateamarginalpropensitytoconsumeoutofhousingwealth of5–7percentfortheperiod2006‐09.Thisfindingisrobusttoinstrumentingusinggeographical constraintsonhousingsupply(whichshouldnotbecorrelatedwithotherdriversofconsumption), andtheauthorsalsoemphasizeevidencethatresponsestothewealthshockarestrongerwhere householdsarepoorerormore“levered”(indebted).3Giventhelackofafallinhousevalues mentionedabove,thewealthshockthatwelookatistofinancial,ratherthanreal,wealth.In anotherexcellentanalysisoftheUS,Christelis,GeorgarakosandJappelli(2015)havelookedat howlossesonfinancialwealth,lossesonrealwealth,andunemployment,affectedconsumption in2008‐09.Usingdatathataskhouseholdstoreportcapitallossesondifferentassetstheyfinda marginalpropensitytoconsumeoutoffinancialwealthofaround3.3percent(andsmallereffects forlossesonhousing).Inlinewitheconomictheory,theyalsofindevidencethatthosewho expectedthestock‐marketshocktobepermanentadjustedtheirconsumptionmorestronglythan thosewhoexpectedtheshocktobetransitory.Asmentionedabove,themethodologyofour studydrawsontheEnglandbasedanalysisofBanksetal(2012).Thoseauthorshaveless comprehensivedataonspendingthanwedoandasampleofagentsaged50+.Theyfindonly modesteffectsonhouseholdspendingofwealthshocksduringthecrisis,butarealsoabletofocus onwealtheffectsonotheroutcomes(includingexpectationaloutcomes)thatwedonotobserve. Toourknowledgeourpaperisthefirstattempttolookatthedriversofchangeinconsumption, includingwealtheffects,duringtheGreatRecessioninItaly.OurdatacomefromtheBankof Italy’sSurveyonHouseholdIncomeandWealth(SHIW),whichprovidesrichdataonhouseholds’ assetholdings(valuesandownership),consumptionoutcomes,anddemographicandeconomic 3IndeedthisworkispartofabroaderprogrammeofresearchinwhichMianandSufiarguefortheimportanceof “leveredlosses”fordrivingthelargeconsumptioncontractionearlyintheGreatRecession;theirargumentsand findingsarebroughttogetherinMianandSufi(2014).
4 characteristics.ThedataaredesignedtoberepresentativeoftheItalianresidentpopulationand alsohaveapanelcomponent,andthiscombinationofcharacteristicsisuniqueforItalyand impressiveevenbyinternationalstandards.ThusouranalysisoftheItalianexperienceisof broaderinterestforunderstandingtheimportanceofwealtheffectsandtheevolutionof consumptioninEuropeintheGreatRecession.4 AnalysesoftherelationshipbetweenwealtheffectsandconsumptionduringtheGreat Recessionfitinanestablishedliteratureregardingmeasuringwealtheffectsonconsumption. Therehasbeenmuchrecentemphasisonhowpropensitiestoconsumefromrealwealthdiffer frompropensitiestoconsumefromfinancialwealth5;animpressiverecentsurveyoftimeseries andmicro‐econometricevidenceonwealtheffectsisprovidedbyPaiella(2009),itselfbuildingon theequallyexcellentPoterba(2000).Thestudiesmostrelatedtothepresentpaperarethosethat provideevidenceforItaly.Paiella(2007)usespooledcross‐sectionsofdatatoestimatelong‐run marginalpropensitiestoconsumefromdifferentformsofwealthwhileCalcagno,Forneroand Rossi(2009)focusontheeffectsofrealestatewealth.Guiso,PaiellaandVisco(2005)iscloserto ourstudyinthat,inlinewithouranalysisbasedonshocks,theyaimtoestimatetheeffectsof capitalgainsaswellaslongrunrelationshipsbetweenwealthandconsumption;theyfindthaton averagea1eurogaininhousingwealthincreasesannualconsumptionbyaround2cents,while capitalgainsonfinancialassetsmayevenleadtoreductionsinconsumption.Ourkeycontribution tothisliteratureliesinourexploitationoftheassetpriceshockatthestartoftheGreatRecession asanewsourceofplausiblyexogenousvariationinassetvaluesinordertoestimatehow consumptionrespondstochangesinwealth. 4ThestudiescitedinthisparagraphthemselvesfitintoabroaderliteratureonconsumptionduringtheGreat Recession.Petev,PistaferriandSaportaEksten(2011)andDeNardi,FrenchandBenson(2012)fortheUS,and Crossley,LowandO’Dea(2013)fortheUK,providedescriptiveanalysesthatpointtounusualfeaturessuchasthe durationofthecontractioninconsumption,andthebroadrangeofconsumptioncategoriesthathavebeenaffected. ForItaly,Rondinelli,BassannettiandScoccianti(2014)showthatnationalaccountsdataandhouseholdleveldata matchquitewellduringtherecentperiodandthattherehavebeensomedifferencesinchangesinexpenditure sharesacrossagegroupsbutwithageneralshiftawayfrom“leisure”expenditures.RodanoandRondinelli(2014) comparedifferentrecentrecessions.ResultsfromtheBankofItaly’squarterlymodeldonotindicateastrongrolefor wealthinaggregateconsumptionduringtheperiod2006‐08.However,themeasureofwealthinthemodelcombines realandfinancialwealthanddoesnotshowacontractionduringtherelevantperiod;whentheauthorsdescribe microdatatheydofindthefallsinthevalueoffinancialassetsthatareourfocus. 5SeeSlacalek(2009)andCase,QuigleyandShiller(2005).
5 Preciselystated,ourresearchgoalistoestimatethemarginalpropensitytoconsume(mpc6) outoftheshocktofinancialwealththatoccurredatthestartoftheGreatRecession.Apreviewof keyresultsisasfollows.Aoneeurofallinfinancial(orriskyfinancial)wealthresultedin householdscuttingannualtotalconsumptionspendingbybetween8.5and9cents,andslightly morethan5.5centsofthiscutwasinspendingonnon‐durablegoodsandservices.Wefind effectsofaround1.5centsforfoodspending,andinsignificantresults(thoughwiththeexpected positivecoefficients)forexpenditureondurables.Wealsofindthataoneeurochangeinhousing wealthresultsintotalandnondurableconsumptionspendingmovinginthesamedirectionby aroundbetween0.2and0.3cents,butwedonotfindsignificanteffectsonfoodordurables expenditures.Wealsofindevidencethatourestimatesofwealtheffectswouldbelargerifwe excludetheoldestandyoungesthouseholdsfromourdata,andevidencethatindicatesstronger consumptionresponsestothewealthshockamonghouseholdswhoalsobecamepessimistic abouthowtheyexpectedthestockmarkettoperformandamonghouseholdswithsome mortgagedebt.Finally,counterfactualsimulationsindicatethatfinancialwealtheffectswerean importantdriver(relativetootherfactors)ofconsumptionfallsintheearlypartoftheGreat RecessioninItaly,accountingfor17to22percentofcutsinspendinginoursample.Thusour resultsindicatethatwealtheffectsonconsumptioncanbeimportantforhouseholds’welfareand foraggregateconsumptionandeconomicperformance. Thepaperisorganisedasfollows.Section2introducesthedatasetthatweuseandprovides somedatadescriptivesthatfurthermotivateouranalysis.Section3thenexplainsourresearch method,describingbothourIVestimatorandakeyvariablethatmustbeconstructedinorderto implementthisestimator.Section4thenpresentsourmainresultsonwealtheffects.Wefirst presentaveragewealtheffectsforbroadmeasuresofconsumption,thenresultsforfinerspending categories.Wethenputthesizeofourresultsincontext,includingthroughcounterfactual simulations,andsubsequentlylookatheterogeneityinwealtheffectsbetweengroupsofthe population.Finally,section5concludes. 6Weuse“mpc”indifferentlyfor“marginalpropensitytoconsume”and“marginalpropensitiestoconsume”.Context shouldrevealwhetherwehaveasingularoraplural.
6 2.Data Inthissectionwedescribethestructureofthedatasetthatweuse,andtheconsumptionand wealthvariablesthatareessentialtoouranalysis.Descriptionofthesekeyvariablesalsohelpsto motivateouranalysisofwealtheffects. 2.1TheSHIWDataset TheSurveyonHouseholdIncomeandWealth(SHIW)isarepresentativesampleoftheItalian residentpopulation.Samplingisintwostages,firstmunicipalitiesandthenhouseholds.From 1987onwardthesurveyisconductedeveryotheryear(withtheexceptionofatwo‐yeargap between1995and1998)andcoversabout24,000individualsand8,000householdsinaround300 municipalities.Ahouseholdisdefinedasagroupofindividualsrelatedbyblood,marriageor adoptionandsharingthesamedwelling.About50%ofhouseholdsinagivenyearareinterviewed atleastonceinsubsequentyears(panelcomponent). Thesurveyrecordsarichsetofhouseholdandpersoncharacteristicsaswellasinformation onincomesandsavings,andonhouseholdexpenditureandwealth.Wealthdataisrich,containing bothparticipationandvalueforarangeoffinancialassets,housingwealth,andbusinesses.For thepurposeofouranalysis,weusedatafortheyears2004‐2010.Inthiswayweareableto observechangesinwealthandconsumptionduringthe“GreatRecession”(2006–08and2008– 10)andalsotoconstructourinstrumentalvariableusinginformationonhouseholdportfolios fromthe2004and2006surveys. InthenexttwosubsectionswedescribetheSHIWvariablesthatarethemostimportantfor ouranalysis,thoseregardingconsumptionandassetholding. 2.2SHIWconsumptionvariables TheSHIWdatasetrecordsconsumptionspendingonfourdifferentcategoriesofproducts.Total consumptionisthesumoftwoothercategories,namelydurable(meansoftransport,furniture, householdappliances,etc.)andnon‐durableexpenditures.Foodconsumptionisasubclasson non‐durablespendingandincludesmealsathomeoreatenout.Inouranalyseswealways measureexpendituresannuallyandinrealterms(2010euros,basedontheHouseholdIndexof ConsumerPricesprovidedbyIstat). Descriptivestatisticsonconsumptioninoursampleareshownintable2.1.Totalconsumption decreasesbetween2004and2010,but,onaverage,thedropisstatisticallysignificantat1%only
7 between2006and2008.Thisdropislargelydrivenbynon‐durableexpenditurethatsignificantly decreasesbymorethan600eurosonaveragebetween2006and2008,withalmost400eurosof thischangecomingfromfoodconsumption.Durableconsumptiondisplaysaslightlydifferent pattern.Itsignificantlydecreasesonlyin2010,when,onaverage,durablegoodsexpenditure decreasesby300euros. [Table2.1abouthere] 2.3SHIWfinancialwealthvariables TheSHIWdatasetcollectsdetailedinformationonhouseholdportfolios.Respondentsareasked whethertheyholdeachofmanytypesofassetand,ifso,abouttheamountofwealththeyholdin eachasset.Assetsaregroupedinbroadcategories:cash(bankaccountsandsavingcertificates); Italiangovernmentbonds(withdifferentdurations);domesticbondsandinvestmentfunds;Italian shares;foreignbondsandshares;otherminorcategories.Withineachofthesebroadcategories individualsareaskedaboutadetailedsetofassets.SHIWalsoprovidesinformationonhousehold wealthinseveraltypesofmutualfunds,andthesefundscanbecategorisedaccordingtowhether ornot(andtheextenttowhich)theyexposetheholdertostock‐marketrisk. Ifsurveyrespondentsreportthattheyholdanasset,theyarethenaskedabouthowmuch wealththeyheldinthatassetatthe31stofDecemberintheyearafterwhichthesurveywaveis named(i.e.December31st2008forthe“2008SHIW”).7Respondentsarefirstaskedtoindicatein towhichofseveralbandsofvaluetheirassetfellandthentoreportapointamountforthisvalue. Failuretoreportapointamountresultsinthehouseholdbeingaskedwhetherthevalueoftheir holdingisnearertothebottom,middleortopoftheband.Sincenotallindividualsgiveapoint amountweusesomeimputedvaluesforwealth.Inimputationweusebandand bottom/middle/topinformationtoallocatevaluesbyasset.8 Sinceourmainregressionsareinfirst‐differences(seesection3)wehavetobecarefulabout thefactthatimputationcouldconsiderablyincreasenoisetosignalratio,especiallyforcases whereindividualsreportholdingsintherelativelybroadtopbandsofassetvalues.Forthisreason inoursampleselectionweexcludefromthesamplehouseholdswhodonotprovideapoint 7Havingendofyearwealthmeanswehavedataonhouseholdsatclosetothetopofthestockmarket(attheendof 2006)andatclosetothebottomofthecrash(attheendof2008). 8TohaveahomogeneousmeasureofassetvalueswedonotuseimputedvaluesprovidedbytheBankofItaly,since theyarenotavailableforthe2004wave.WeneedtorelyonimputationbytheBankofItalyfor(thesumof)three typesofdepositin2006,sinceinformationonthebandtheybelongtoisnotavailable.Resultsofsection4arenot sensitivetosubstitutingBankofItalyimputationforourimputationasfaraspossible.
14 capitallossesarepartiallyoffsetbyactivesaving.Ontheotherhand,thereportedchangeinrisky assetsismorenegativethanthe“calculatedchange”.Thismayindicatethereshufflingby householdsoftheirportfolios,toreduceexposuretostock‐marketrisk.Theideaisalsosupported byobservedexitsfromthestockmarketduringthecrisis:thestock‐marketparticipationrate decreasesfrom14%before2006to12%in2008andto10%in2010.18Aregressionofreported changesinwealthoncalculatedchangesandaconstantgivessignificantcoefficientsof0.65for overallwealthand0.88forriskywealth.Thuscalculatedchangesinwealthdohavethedesired positivecorrelationwithactualchanges,andtherelationshipiscloserforriskythanforoverall wealth. 4.Measuringwealtheffects Wenowpresentourestimatesofhowconsumptionrespondedtotheshocktofinancialwealth. OurmainestimatoristheIVestimatordescribedinsection3.Asexplainedinthatsection,we believethismethodwillprovideconsistentestimatesoftherelationshipofinterest.Bycontrast, andagainforreasonsexplainedintheprevioussection,OLSestimationwouldbelikelytoproduce anunderestimateofthetruerelationship.Forthefirstsetofresultsthatwepresent,whichare ourbaselineresults,wepresentOLSestimatesalongsidetheIVestimatesandseethatOLSdoes indeedgeneratecoefficientsthataresmallerthantheIVestimates. Inlinewithequations(2)and(3),allofourestimatesforwealtheffectscomefrom regressionsthatincludeseveralotherindependent(X)variablesalongsidethekeyfinancialwealth variables.Onevariableofparticularinterestisthechangeinthehousehold’sperceivedvaluation oftheirhousingwealth.Whilewehavegonetoagreatdealofefforttoensureexogeneityofthe financialwealthvariables,forthishousingwealthvariablewesimplyincludethechangeinthe reportedvalueofhousing.Theideahereisthatsincesurveyrespondentsareaskedwhatthey perceivetobethevalueoftheirhouse,whattheyreportshouldbethelevelofwealththat informstheirconsumptionchoices.Furthermore,since(unlikefinancialwealth)realestatewealth isnotreadilyadjustable,thereislessofaproblemofamechanicalrelationshipbetweenactive 18TheseownershipratesarecalculatedbytheauthorsusingtheSHIWdata(withsampleasusedinTableB1).Note thattheownershipratescannotbeinferredfromthenumbersinTable3.1becausethesample“withriskyassets”in thatTablearethosethathadriskyassetsatafixedpointintime(2006whentheownershipratewasapproximately 14%).
15 savinginhousingandchangesinconsumption.Onthebasisoftheseargumentsweinterpretthe coefficientonchangesinhousevaluetobethempcoutofshockstohousingwealth. Theremainingregressorsinallthereportedregressionsincludechangesin:unemployment status;retirementstatus;and,inthenumberofpeopleandearnerslivinginthehousehold.The variablessofardiscussedareallinfirstdifferences.Thereportedresultsalsoalwaysallowforthe possibilitythatthechangeinconsumptionisrelatedtothecharacteristicsofhomeownership, retirementstatusandemploymentintheprivateorpublicsector(allmeasuredattime t‐1 ),and notjusttodifferencesinsuchvariables,andwealwayscontrolforagebands,sex,educationlevels (compulsory,post‐compulsory,andsomecollegeeducation),and,tocaptureeffectscomingfrom thestateofthemacroeconomy,regiondummies,yearandtheregionalunemploymentrate. Finally,wehaveobtainedallourresultswithandwithoutacontrolforthechange(first difference)inlabourincome,andinseveralcasesreportbothregressions.Thereisaworrythat labourincomemaybeendogenous(due,forexample,toreversecausalityfromthedesireto increaseorreduceconsumptiontolaboureffortandthereforeincome)soitisreassuringthatthe inclusionofthechangeinlabourincomedoesnotnoticeablyaffecttheotherestimated coefficientsinthemodel,andparticularlytheestimatedwealtheffects.Descriptivestatisticsfor thefinancialwealthvariablesthatarecrucialforourempiricalandIVstrategywerepresentedin section3(Table3.1);descriptivestatisticsforallotherregressorsarecontainedinAppendixTable B2. 4.1Averageresponsestothewealthshock Akeyaimofourstudyistounderstandhowthewealthshockaffectedoverallconsumption spendingforthehouseholdsinoursample.Inlinewiththis,ourfirstsetofresults,inTables4.1 and4.2,respectivelyhavethechangeintotalhouseholdconsumptionspending,andchangein householdconsumptionspendingonnon‐durables,asdependentvariables.Eachofthesetables presentsresultsforasubsetofcoefficientsfrom8regressions.ThefirsttwocolumnspresentOLS regressionsofthechangeinconsumptiononthechangeinwealth(andotherregressors),first withandthenwithoutacontrolforthechangeinlabourincome,whilecolumns3and4present the“secondstage”resultsofthepreferredIVspecificationswith,thenwithout,thelabourincome control.Thedifferencebetweenthetopandbottompanelsisthefinancialwealthvariablethatis themainvariableofinterest:inthetoppanelthisvariableisthechangeinriskyfinancialwealth
16 thatisinvestedinthestockmarketeitherdirectlyorthroughawrapperproductsuchasamutual fund,whileinthebottompanelitisthechangeintotal(accessible19)householdfinancialwealth. [Table4.1abouthere] [Table4.2abouthere] Forinterpretationofthemainwealthcoefficients,itiseasiesttoconsideranexample.The coefficientonthecalculatedchangeinriskyfinancialwealthinIVregressionreportedincolumn3 ofthetoppanelofTable4.1(thisistheregressionforthechangeintotalconsumptionandthat includesthechangeinincomeasaregressor)is0.088.Sincecalculatedchangesinwealthare measuredinreal(2010)euros,andconsumptionismeasuredineurosperyear,thispointestimate indicatesthatifwealthincreases(falls)byoneeuro,annualconsumptionincreases(falls)by8.8 cents.Inotherwords,thecoefficientindicatesanmpcoutofthewealthshockof8.8percent. Othercoefficientsonwealthvariablescanbeinterpretedanalogously. Withthisinterpretationinmind,wecansummariseourmainIVresultsfortheeffectsofthe shocktofinancialwealthonconsumption,asfollows.Wereportresultsfromregressionswiththe controlforthechangeinlabourincome,andinbracketstheresultswithoutthiscontrol.Fortotal consumption(Table4.1),thempcis8.8(8.6)percentoftheshocktoriskyfinancialwealth,and10 (9.9)percentoutoftotalfinancialwealth.Fornon‐durableconsumption(Table4.2)theestimates are5.7(5.5)percentoutoftheshocktoriskyfinancialwealth,and6.2(6.1)outoftotalfinancial wealth.Itisageneralpatterninourresultsthatcontrollingforthechangeinlabourincomehas almostnoimpactontheestimatesofourmaincoefficientsofinterest.Asapointofcomparison, theestimatedmpcforchangesinfinancialwealthareconsiderablylargerthantheresultsthatwe getforthepropensitytoconsumeoutofachangeinhousingwealth,whichisrobustlyestimated tobebetween0.3percentand0.1percent. ComparingtheseIVresultstoOLSestimates(columns1and2inTables4.1and4.2),wesee thattheOLSresultsarealwayssubstantiallysmallerthantheIVestimates.Thisisinlinewiththe argumentsoftheprevioussectionthattherearegoodreasons(themechanicalrelationship betweenchangesinconsumptionandinwealththroughthebudgetconstraint,andattenuation biasduetomeasurementerror)toexpectOLSestimationtounderestimatethiscoefficient.20 19Accessiblewealthexcludeswealth“lockedaway”inpensionsorlife‐insuranceorsimilarproducts. 20Wedonotreportthe“reducedform”thatrelatesthechangeinconsumptiontotheexcludedinstrument(andthe otherregressors).Giventhatwehaveoneendogenousvariableandexactidentification,thecoefficientonthewealth variableinthisreducedformcanbeinferredastheproductofthecoefficientsontherespectivewealthvariablesin
17 Focussing(fromhereforward)onourpreferredIVestimates,wenoticethatthepoint estimatesforthempcareveryslightlysmallerbutmorepreciselyestimatedwhenthekey independentvariableisthechangeinriskyfinancialwealth(toppanelofTables4.1or4.2), comparedtowhenitisthechangeintotalfinancialwealth.Forexample,ifwetakethecasesfor totalconsumptionandwiththecontrolforthechangeinlabourincome(column3oftheTable 4.1),theestimatedcoefficientis:0.088(significantatthe10%level)whentheregressorrelatesto riskywealth;and,0.1(notsignificantatconventionallevels)whentheregressoristhechangein totalfinancialwealth.Theequivalentcoefficientsfornon‐durableconsumptionrespectivelyare 0.057(significantatthe5%level),and0.062(significantatthe10%level).Thegreaterprecision whentheregressoristhechangeinriskywealthispartlyduetothefactthatwehavegreater precision(asmallerstandarderrorontheinstrument)inthefirststageforthecaseusingrisky wealth,whichindicatesthatinstrumentingaddslessnoiseinthiscase.Thegreaterprecision,and largersize,oftheestimatedcoefficientontheexcludedvariableinthecasewithriskywealth againindicate(asnotedinsubsection3.2)thatthereisastrongerrelationshipbetweenasset pricesandthevalueofriskywealththanbetweenassetpricesandthevalueofallfinancialwealth, perhapsbecauseportfolioreshufflingandtheaccumulationofsafeassetsweakentherelationship tototalwealth.TheF‐statisticontheexcludedinstrumentalsoindicatesthatourIVstrategyis moreeffectivewhentheregressoristhechangeinriskywealth:inthatcasewedonotneedto worryaboutaweakinstrumentproblem.Fullfirst‐stageresultsarereportedinAppendixTables B3(riskyfinancialwealth)andB4(totalfinancialwealth). Asalreadynoted,thewealtheffectcoefficientsarerobusttocontrollingforthechangein labourincome.Ourresultsarealsorobusttoaseriesofothermodificationstoourspecifications. Forexample,whileourdataareforchangesinwealthandconsumptionbetween2006and2008, and2008and2010,mostofthevariationthatourestimatorexploitsisrelatedtotheassetprice shockthatoccurredbetweenthe2006and2008wavesofdata.Estimationbasedonlyon differencesforthe2006‐2008periodleftourresultsalmostunchangedrelativetothosereported. Anotherrobustnesscheckinvolvedslightlychangingthewayinwhichweconductedour thefirstandsecondstagesoftheIVregression(thisisthereverseofindirectleastsquares).Giventhatthecoefficients inthefirststages(reportedinAppendixTablesB3andB4)are0.672(forthechangeinriskywealth),andjustbelow 0.6(forthechangeintotalfinancialwealth),thereducedformestimateswouldbesmallerthanourIVestimates. However,therearereasonstosupposethatthereducedformwouldunderstatetherelationshipofinterest.In particular:thechangeincalculatedwealthislikelytooverstatethetrueshocktowealth(andthusleadtoan understatementofeffectsmeasuredpereuroofchangeinwealth)ifhouseholdscanoffsetsomeoftheassetprice shockthroughtheirportfoliochoices;and,thereducedformwouldbeaffectedbyattenuationbiasifthereis measurementerror.TheseissueswerediscussedinmoredetailinBottazzi,TrucchiandWakefield(2013).
18 instrumentalvariablesanalysis.Asnotedinsection3,thevariationexploitedbyourinstrumentis heterogeneitybetweenhouseholdsintermsofthelevelofwealthheldindifferentassets,and differencesinreturnsbetweenassets.Wehavetriedincludingthe(twice‐lagged)levelofwealthin differentassetsandtheinteractionofthiswiththestock‐marketindex(theFTSEMIB)intheplace oftheconstructedchangeincalculatedwealthastheexcludedvariablesinthefirststageofourIV analysis.Againtheresultsarealmostunchangedrelativetothosewereport(infactthechange sometimesimprovesthesignificanceofourresults).Anothermodificationthatmakespractically nodifferencetoourestimatesistodropregressorsfor(lagged)retirementstatus,sectorof employment,andhomeownership;intheresultswereport,theselevelvariablesareincluded alongsidevariablesmeasuringthechangeinretirementstatus,housingwealthandemployment. Afinalrobustnesscheckistoruntheregressionswithdeltariskywealthasthekeyregressor,only onthesampleofthosewhohaveriskywealth.21Sincethecoefficientonthekeywealthvariable measuresthechangeinconsumptionperunitofchangeinwealth,includinghouseholdswithout riskywealth(aswedointhereportedresults)shouldnotaffectourestimatedcoefficientsand indeeddroppingthesehouseholds(andshiftingtoamuchsmallersample)doesnotsubstantially affectourpointestimates.Fullresultsfromtherobustnesschecksdescribedinthisparagraphare availablefromtheauthorsonrequest. Otherthantheestimatedwealtheffects,theothercoefficientsthatarereportedinTables4.1 and4.2arecoefficientsonthevariablesthatwemostoftenfoundtobesignificant(fullresultsfor theregressionscanbefoundinAppendixTablesB5toB8).Thepatternsofresultsareinlinewith economicintuition:becomingunemployed(butnotbecomingretired)isassociatedwithcutsin spending,whiletheadditionofextrahouseholdmembersorofanextraearnerinthehouseholdis linkedtohigherexpenditures. Tosummarise,theresultsdiscussedinthissectiongivetheaverageeffectofthewealthshock ontheconsumptionofhouseholdsinoursample.Ourfavouredestimatesindicatethataeuroloss ofriskywealthintheperiodofthestock‐marketcrashled,onaverage,toan8.8(or8.6without thecontrolforthechangeinlabourincome)centcutinconsumption,and5.7(5.5)centsofthis cutwasinspendingonnon‐durablegoods.Pointestimatesfortheresponsetothechangeintotal financialwealthareslightlylarger,butlesspreciselyestimated. 21Morepreciselythesampleisthosewhohadriskywealthintheappropriate(lagged)waveofdatasuchthatthey contributetotheestimationofthecoefficientontheinstrumentedwealthvariable.
19 4.2ResultsforCategoriesofConsumptionSpending Theresultsintheprevioussubsectionareforbroadcategoriesofconsumptionspending. Theoreticalconsiderationsthat“luxuriesareeasiertopostpone”(BrowningandCrossley,2000), andfindingsthathouseholdsintemporarilystraitenedcircumstancesmaypostponetherenewal ofdurablesratherthanimmediatelycuttingbackonallspending(BrowningandCrossley,2009), meanitisinterestingtolookatfinercategoriesofspending.Asidefromtotalconsumption spendingandspendingonnon‐durables,ourdataallowustolookatspendingondurablesand spendingonfood. Table4.3presentskeycoefficientsforourwealtheffectregressionsforspendingonfoodand durables,alongsidetheresultsfortotalspendingandspendingonnon‐durables(fullsetsof coefficientsfromtheregressionsarepresentedinAppendixTableB9).Wepresentresultsfrom ourpreferredIVspecificationandwiththekeyindependentvariablebeingthechangeinrisky wealth(sothatwedonothaveaproblemofweakinstruments22).Thus,theresultsfortotal consumptionandnon‐durableconsumptionreplicatethosepresentedinthetoppanelsofTables 4.1and4.2. [Table4.3abouthere] Thepointestimatesincolumns(c1)and(c2)ofthetableindicatethatdurablesexpenditures wereaffectedby,onaverage,3.1centsperyearforaeurochangeinriskywealth.Sincetotal consumptionspendingisthesumofspendingondurablesandspendingonnon‐durables,the changeintotalspendingpereurochangeinwealthshouldbethesumofthechangesinspending onnon‐durablesanddurables,pereurochangeinwealth.Lookingatthecoefficientsincolumns (a1),(b1)and(c1),orincolumns(a2),(b2)and(c2),wecanseethatthisrelationshipdoesindeed hold.Whilethis“addingup”isreassuringabouttheconsistencyofhouseholds’responsestothe differentconsumptionquestionsinthesurvey,theresultsfordurablesspendingarenot significant.Inaddition,coefficientsonchangesinhousevalueareinsignificantandclosetozeroin thespecificationsfordurables.Thelackofsignificancemayinpartbeduetothefactthatdurable purchaseshappenonlyinfrequentlyandsowedonotobserveenoughdurablespurchasesto identifypatternsinthedata. 22Giventhatthesampleandregressors(includingtheendogenousregressor)donotchangeacrosstheregressions reported,the“firststage”resultsarealwaysthosealreadydiscussedandpresentedinAppendixTableB3.
20 Forfoodspendingweagainfindnoevidenceofeffectsfromhousingwealth(coefficientsare verysmallandhaveverysmallstandarderrors).Forourmainvariableofinterest,aeurochangein thevalueofriskyfinancialwealthisseentoleadtoacutinfoodspendingof1.5centsperyear andthisresultissignificantatthe10%level(seecolumns(d1)or(d2)ofTable4.3).Theseresults arepotentiallystriking.Iffoodisanecessity,thenevensmallchangesinfoodspendingcouldbe potentiallyimportantforhouseholds’welfare.However,weshouldbecarefulininterpretation. Ourdataonfoodspendingarenotverydisaggregatedandwecannot,forexample,distinguish “foodin”and“foodout”.23Wenextconsiderinmoredetailtheinterpretationofthemagnitudeof ourestimatedwealtheffects. 4.3HowLargearetheseWealthEffects? OurestimatesofwealtheffectsarebasedontheearlyyearsoftheGreatRecession,andusingthis periodhelpsustohaveaplausiblyexogenoussourceofvariationinfinancialwealththatwe exploittoidentifyeffects.Thisexogeneitymaygiveestimatesthathavegeneralityoutsideour sampleperiod,oritmaybethatthetimeperiodthatweexploitisunusualintermsofaverage wealtheffects.Whilewecannotinvestigatethisdirectly,wecanatleastputourestimatesinthe contextofpreviousliterature. Findingsregardingwealtheffectsinconsumptionhaveusuallyfocussedonbroadmeasures suchastotalconsumptionornon‐durableconsumption.Ourpreferredpointestimatesforthe mpcoutofshockstofinancialwealtharebetween8.5and9percentfortotalconsumption,and aroundorjustabove5.5percentfornon‐durableconsumption.TheseeffectsdifferfromtheItaly basedfindingofGuiso,PaiellaandVisco(2005)thatconsumptionmayevenfallinresponseto capitalgainsonfinancialassets.Onecouldonlyspeculateastowhetherthisdifferencecomes fromdifferencesinsampleperiodordifferencesinthemethodandvariationusedtocapture effects.ItisslightlydifficulttomakeadirectcomparisonofourresultstothoseofBanksetal. (2012),thepaperthatisclosesttooursintermsofmethodology,sincetheydonotobservesuch comprehensivemeasuresofconsumptionspendingaswedoandtheirsampleisforarestricted (older)agerange.However,ifwetrytoextrapolateaneffectontotalconsumptionfromtheir resultsitwouldseemthatthiswouldbeweakerthanourfindings.Ourfindingsforspendingon 23Basedonadifferentdataset(aHouseholdBudgetSurvey),Rondinelli,BassanettiandScoccianti(2014)donotice,for somegroupsofthepopulation,differencesintheevolutionofexpenditureshareson“food”andon“accommodation servicesandrestaurants”duringthe2000s(until2012).
21 foodarealsostrongerthanthesumoftheirresultsforfoodinandfoodout.Comparedtoother, USbased,resultsforwealtheffectsintheGreatRecession,ourmpcoutoffinancialwealthis somewhatlargerthanthe3.3percentfoundbyChristelis,Georgarakos,andJappelli(2015),but onlyslightlylargerthanthempcoutofhousingwealthestimatedbyMian,RaoandSufi(2013). Moregenerallyourfindingsonmpcoutofshockstofinancialwealthdonotseemoutoflinewith findingsintheliterature(seeforexamplethecollectionofmicro‐databasedresultsinTable3of Paiella(2009)),althoughanestimateof0.088or0.086fortotalconsumptionisperhapsatthetop endoftherange. Ourfindingsonmpcfromchangesinhousingwealthare(fortotalandnon‐durable consumption)robustlyintherange0.001–0.004.ThisisinlinewiththefindingsofGuiso,Paiella andVisco(2005).Thusourfindingsseemtoconfirmthattheaveragemarginalpropensityof Italianhouseholdstoconsumefromchangesintheirhousingwealthisreasonablyinlinewith (perhapsatthelowerendof)therangeofinternationalestimatesofthisparameter. Anotherwayofthinkingaboutthesizeofourestimatedmpcistoconsiderwhatthesempc implyforhowmuchsmallerobservedfallsinconsumptionwouldhavebeeninourdataifthe valueoffinancialassetshadnotfallenin2008.Wecanaddressthisissuebyperforming counterfactualsimulationsbasedonourregression.Thatistosay,wefirstusetheregressionto predicttheaveragechangeinconsumptioninoursample.Wecanthen(counterfactually)setthe changeinwealthtozeroforallindividualsinoursampleandmakeanewprediction.24Comparing thetwopredictionswillgiveameasureofhowmuchoftheaveragefallinconsumptionisbeing drivenbywealtheffects.Wecanalsocomparethisinfluenceofwealtheffectstotheimpactof otherfactorsbyusingasimilartechniqueto“switchoff”theinfluenceof(say)changesinhousing wealth,unemploymentstatus,thenumberofearnersinthehousehold,orinlabourincome. [Table4.4abouthere] Table4.4displaystheresultsofthiskindofcounterfactualexercisebasedontheIV regressionforthechangeintotalconsumptiononthechangeinriskywealth(andincludingthe 24OurpreferredestimatesareIVregressions.TheeasiestwaytoperformthiscounterfactualanalysiswithintheIVset upisto“manually”computethetwostepsoftheIV.Thatis,ratherthanusingabuiltinpackageintostatistical software(inourcaseStata13)tocomputetheIV,usearegressioncommandtocomputethefirststage,then constructthe“predictedwealth”variablethatbecomesaninputintothesecondstagewhichiscomputedbya seconduseoftheregressioncommand.Sincethisprocedureinvolvesexplicitlyobtainingthe“predictedwealth” variable,itisstraightforwardtoproducepredictionsbasedoncoefficientsofthesecondstageregressionbutwiththe predictedwealthvariablesettozero.
22 changeinlabourincome),thatisreportedinthetoppanelandthirdcolumnofTable4.1.We reportresultsforthecounterfactualexercisecomputedacrossallhouseholdsinoursample(first columnofTable4.4),andonlyforthe(approximately)halfofthesamplewhosechangein consumptionismeasuredfortheperiodofparticularlylargeassetpriceshocks(2006–08,second columnofTable4.4). Inourfullsampletheaveragetwo‐yearfallinannualconsumptionis515euros.Thisfall amountstoalmost3%ofaverageconsumptionspendinginoursample,25afigurewhichis reasonablyinlinewiththefallinaggregateconsumptioninItalyoverthesameperiod(seeFigure 1.1).Sinceweareusingleast‐squaresregression,the515eurofallismatchedbytheaverage predictionofconsumptionchangesbasedonourregression.Ifwerepeatthepredictionexercise butwiththe“predictedwealth”variablefromthefirststageoftheIVsettozeroforthosewho haveriskywealth,wefindtheaveragefallinconsumptionisreducedto425euros.Thus,wealth effectsareexplainingaround90outofthe515euroaveragefall,orapproximately17%ofthefall inconsumptiononaverage.Incontrast,changesinhousingwealthonlycapturearound3%ofthe averagefallinconsumption.Thepartofthechangeinconsumptionexplainedbywealtheffectsis alsoveryslightlylargerthantheproportionscomingfromeitherchangesinlabourincome,or fromthejointimpactofchangesinthenumberofearnersandinunemploymentstatus. Itmayseemsurprisingthatthechangeinthevalueofriskywealthissopowerful,relativeto otherfactors,whenonlyaround14%ofoursampleheldriskyfinancialwealthbeforetheasset priceshock(in2004or2006).However,theshocktowealthwaslarge.Theresultsfromourfirst stageindicatethattheassetpriceshockledtoanaveragefallinthevalueorriskywealthof7130 eurosamonghouseholdswithsomeriskywealthbeforethecrisis,andcombiningthiswithour mpcestimategivesanaveragecutinconsumptionduetothewealthshockof627eurosperyear amongthesehouseholds.Averagingthesizeofthecutacrossallhouseholds(withandwithout riskywealth)givesusbackthe90euroresult. Consideringonlythe2006–08sample,theaveragefallinconsumptionisnow796euros(or around4.5percent,whichisagainquitewellinlinewithaggregatedata).26Inthiscasewesee thatthechangesinfinancialwealtharedrivingmoreofthefallinconsumption(around22%ofit) thanareanyoftheotherfactorsweconsiderthroughourcounterfactuals:inthissampleeventhe 253%iscalculatedas100*515/17454. 26Sincethereisa“2010dummy”,thisfallisagainmatchedexactlybyregressionpredictions.
23 compositeeffectofchangesinthenumberofearnersandinunemploymentandinlabourincome, isnotasstrongastheeffectoftheshocktowealth. 4.4HeterogeneityinWealthEffects Thewealtheffectsconsideredsofarareaverageeffectsinoursample.Theconceptualframework underpinningourresearchsuggeststhattheremightwellbeheterogeneityinwealtheffects.We considerheterogeneitybyage,andwhetherthestrengthofwealtheffectsisrelatedtobecoming pessimisticaboutthestockmarketorbeingexposedtomortgagedebt. Heterogeneitybyage Thesimplelife‐cyclemodelthatweappealedtoinsection3,predictsthatagentsshouldconsume aproportionoftheirwealthineachperiod,andsoshouldsmoothoutshockstowealthby spreadingthechangesinspendingthattheseshocksnecessitate,acrosstheremainingperiodsof theirlives.Giventhat,allelseequal,olderindividualshaveashorterhorizonoverwhichtheycan distributechangesinconsumptionspending,themodelsuggeststhatolderindividualsshould respondmorestronglytothewealthshocks.27Aricherversionofthemodelmakestheprediction lessclearcut.Ifhouseholdsformlinksinongoingfamilialdynasties,thenthemodelmay effectivelyhaveaninfinitehorizonthuspotentiallydecouplingthelinkbetweenageandthelikely strengthofresponsestowealthshocks.Alternatively,creditconstraintsmaymeanthatthe consumptionofyoungerhouseholdsiscloselytiedtocurrentresources,andsothesehouseholds maybeveryresponsivetoshocks.Giventheambiguity,itisanempiricalquestiontotryto establishwhetherandhowwealtheffectsvarywithage. Withourinstrumentalvariablesstrategy,preciseidentificationisquitedemanding.To mitigateproblemswithsamplesizeandpotentiallyweakinstruments,ourapproachto investigatingheterogeneitybyageistore‐estimateourmainmodelonthefollowingsubsamples: asampleexcludinghouseholdsheadedbysomeoneaged70orabove;asampleexcludingthose agedlessthan50;and,asampleexcludingboththe“young”(under50s)andthe“old”(70plus). Eachrestrictiondropsaroundaquarterofthehouseholdsfromourmainsample,sothesample withneithertheoldnortheyoungisslightlylessthanhalfthesizeofthesampleusedinTables4.1 27Thiskindofintuitionunderliesmuchworktryingtountanglewhyhousepricegrowthandaggregateconsumption aresostronglycorrelatedintheUK:seeAttanasioandWeber(1994);Attanasioetal(2009),Attanasio,Leicesterand Wakefield(2011).
30 Christelis,Dimitrios,DimitrisGeorgarakos,andTullioJappelli(2015),"WealthShocks, UnemploymentShocksandConsumptionintheWakeoftheGreatRecession,"Journalof MonetaryEconomics,vol.72,21‐41. Crawford,Rowena(2013),“Theeffectofthefinancialcrisisontheretirementplansofolder workersinEngland”,EconomicsLetters121,156‐159. Crossley,ThomasF.,HamishLowandCormacO’Dea(2013),“HouseholdConsumptionthrough RecentRecessions”,FiscalStudies34(2),203‐229. DeNardi,Mariacristina.,EricFrenchandDavidBenson(2012),“ConsumptionandtheGreat Recession”,EconomicPerspectives36(1),FederalReserveBankChicago. Dynan,KarenE.,andDeanM.Maki(2001),DoesStockMarketWealthMatterforConsumption?, BoardofGovernorsoftheFederalReserveSystems“FEDS”(FinanceandEconomics DiscussionSeries)paper2001‐23,May2001. Guiso,Luigi,MonicaPaiella,andIgnazioVisco(2005),Docapitalgainsaffectconsumption? EstimatesofwealtheffectsfromItalianhouseholds’behaviour,BankofItaly,WorkingPaper, No.555. Mian,Atif,KamaleshRao,andAmirSufi,(2013),“HouseholdBalanceSheets,Consumption,and theEconomicSlump”,TheQuarterlyJournalofEconomics128(4),1687‐1726. Mian,Atif,andAmirSufi,(2014),HouseofDebt:HowThey(andYou)CausedtheGreatRecession, andHowWeCanPreventItfromHappeningAgain,TheUniversityofChicagoPress,Chicago andLondon. Paiella,Monica,(2009),“TheStockMarket,HousingandConsumerSpending:ASurveyofthe EvidenceonWealthEffects”,JournalofEconomicSurveys23(5),947‐73. Paiella,Monica,(2007),“DoesWealthAffectConsumption?EvidenceforItaly”,Journalof Macroeconomics29,189‐205. Petev,Ivaylo,LuigiPistaferriandItaySaportaEksten(2011)“ConsumptionandtheGreat Recession”,D.Grusky,B.WesternandC.Wimer(eds.),TheGreatRecession,CUPServices. Poterba,J.(2000),“Stockmarketwealthandconsumption”,JournalofEconomicPerspectives14, 99–118.
31 Rondinelli,Concetta,AntonioBassanetti,andFilippoScoccianti,(2014)“OnthestructureofItalian Households’ConsumptionPatternsduringtheRecentCrises”,inBancad’Italia,Glieffettidella crisisulpotenzialeproduttivoesullaspesadellefamiglieinItalia,WorkshopsandConferences Report18. Rodano,Lisa,andConcettaRondinelli,(2014),“TheItalianhouseholdconsumption:acomparison amongrecessions”,inBancad’Italia,Glieffettidellacrisisulpotenzialeproduttivoesulla spesadellefamiglieinItalia,WorkshopsandConferencesReport18. Slacalek,Jiri,(2009),“WhatDrivesPersonalConsumption?TheRoleofHousingandFinancial Wealth”,TheB.E.JournalofMacroeconomics,Topics,9(1).
32 AppendixA:Constructingthe“CalculatedChangeinWealth” Sourcesforassetpriceindicesandinterestrates,andtheassetclassesthattheyareappliedtoin constructingcalculatedchangesinwealth,are: Holdingsincurrentaccountsandcashdeposits:theannualinterestrateoncurrent accountsavailabletohouseholds(source:BankofItaly,BolletinoStatistico). ShorttermItaliangovernmentbonds(durationlowerthan2years,assumedtobeheld tomaturity):interestratesyieldedbyBOTwith12monthsdurationandbyCTZtraded inBorsaItaliana(source:BankofItaly). Long‐termItaliangovernmentbonds(CCTandBTP):capitalgainsbasedonpriceindices availablefromtheBankofItaly. SharesheldinItaly:FTSEMIB(FTSEviadatastream) Sharesheldoverseas:FTSEAll‐Worldindex(FTSEviadatastream) Italianprivatebondsandotherforeignassets,Pfandbriefeindex. Toclassifymutualfundsaccordingtoexposuretostockmarketriskweusetheclassification providedbytheItalianassociationofsavingsproviders(Assogestioni,Guidaallaclassificazione). WethenassumetheamountinvestedinthestockmarketevolvesinlinewiththeFTSEMIBand thattheremainderofthefundisinvestedinItaliangovernmentbonds.Indetail,theshareof governmentbondsis100%formonetaryandbondfunds;15%forstockfunds;50%formixed funds;30%forbalancedstockfunds;70%forbalancedbondfunds. AppendixB:SupplementaryTables [AppendixTablesB1toB11abouthere]
33 FiguresandTables Figure1.1:StockpricesandAggregateConsumptionSpendinginItaly,2004–2010 Source:FTSEviadatastreamforstockprices(FTSEMIB)andIstat(databaseI.stat)forconsumption(finalconsumptionexpenditure ofhouseholdsoneconomicterritory). Notes:TheverticalaxisontheLHSmeasuresthevariationofstockpriceswithrespecttothefirstquarterof2007(thevalueof FTSEMIBinthereferenceperiodissetequalto100);theaxisontheRHSmeasuresthevariationofconsumptionwithrespecttothe firstquarterof2007. 95 96 97 98 99 100 30 40 50 60 70 80 90 100 110 2004Q1 2004Q3 2005Q1 2005Q3 2006Q1 2006Q3 2007Q1 2007Q3 2008Q1 2008Q3 2009Q1 2009Q3 2010Q1 2010Q3 Stock Prices Consumption
34 Table2.1:Descriptivesofconsumptioninoursample Totalconsumption expenditure Non‐durables consumption expenditure Durables consumption expenditure Foodconsumption expenditure 2004 Mean 18784 16630 2154 7074 St.dev (12589) (9103) (7205) (3676) 2006 Mean 18304* 16411 1893* 6918* St.dev (11179) (8528) (5773) (3433) 2008 Mean 17541*** 15796*** 1745 6522*** St.dev (10515) (7943) (5210) (3108) 2010 Mean 17295 15859 1436*** 6391* St.dev (9945) (8130) (4149) (3064) NotestoTable: 3047observationsin2004;3867in2006;3865in2008and3323in2010. Starsrefertothesignificanceofthetestonequalityofmeanconsumptioninthecurrentandpreviouswave(withequalvariances): *p<0.1,**p<0.05,***p<0.001. Table3.1:Descriptivesofthechangeinwealthandthecalculatedchangeinwealth Financialwealth Changesinreportedwealth Changesin“calculated”wealth Mean(st.dev) ‐248(56766) ‐1397(8050) 2008 ‐1259(46455) ‐2829(11431) 2010 678(64787) ‐85(909) Median 0 ‐114 25thpercentile ‐4727 ‐369 75thpercentile 5832 ‐14 Regressioncoefficient 0.649*** (0.088) Riskyfinancialwealth(hhswithriskyassetsin2006) Changesinreportedwealth Changesin“calculated”wealth Mean(st.dev) ‐12814(57000) ‐4823(17795) 2008 ‐24957(70442) ‐10678(24269) 2010 ‐1540(37431) 612(1748) Median ‐3073 13 25thpercentile ‐20397 ‐1209 75thpercentile 0 238 Regressioncoefficient 0.882*** (0.102) NotestoTable: Thesampleisthesamethatisusedinourwealtheffectsregressions.Numberofobservations:6370observations,(3047in2008 and3323in2010)from3867families.441householdsin2008and475in2010,wereshareownersin2006. Monetaryvaluesarein2010euros.TheregressioncoefficientisobtainedbyOLSregressionofthechangeinreportedwealthon theconstructedchangeinwealth(andaconstant).
35 Table4.1:Wealtheffectsregressionsforthechangeintotalhouseholdconsumption Dependentvariable:Changeinhouseholdconsumptionexpenditure OLS IV2 ndStage IncludingΔ LabourIncome NoControlfor Income IncludingΔ LabourIncome NoControlfor Income Wealthvariable:ΔRiskyfinancialwealth Deltariskyfinancialwealth 0.016 ** 0.016 ** 0.088* 0.086 * (0.007) (0.007) (0.047) (0.047) Deltahousevalue 0.004 *** 0.004 *** 0.003*** 0.003 *** (0.001) (0.001) (0.001) (0.001) Deltalabourincome 0.079 *** 0.079*** (0.020) (0.020) Deltaunemploymentstatus ‐1556.171 ** ‐1846.143 *** ‐1481.319** ‐1773.569 *** (612.166) (616.947) (618.512) (623.452) Deltaretirementstatus 425.789 392.921 569.728 532.158 (466.871) (471.705) (480.620) (484.088) Deltano.ofpeopleintheHH 2026.098 *** 2263.764 *** 1930.572*** 2171.226 *** (294.384) (292.070) (292.252) (292.015) Deltano.ofearnersintheHH 1001.949 *** 1583.958 *** 1039.473*** 1619.893 *** (297.572) (276.589) (297.779) (275.373) Year2010 295.468 125.952 224.320 57.242 (575.785) (579.205) (580.768) (583.006) Wealthvariable:ΔTotalaccessiblefinancialwealth Deltafinancialwealth 0.002 0.004 0.100 0.099 (0.003) (0.003) (0.070) (0.071) Deltahousevalue 0.004 *** 0.004 *** 0.001 0.001 (0.001) (0.001) (0.002) (0.003) Deltalabourincome 0.078 *** 0.042 (0.020) (0.037) Deltaunemploymentstatus ‐1569.980 ** ‐1852.280 *** ‐1427.671** ‐1586.125 ** (610.928) (616.057) (659.231) (679.909) Deltaretirementstatus 395.724 364.399 446.971 428.463 (469.031) (473.835) (733.326) (724.879) Deltano.ofpeopleintheHH 2045.942 *** 2278.874 *** 2005.018*** 2133.766 *** (295.844) (293.382) (305.885) (311.227) Deltano.ofearnersintheHH 996.616 *** 1572.502 *** 1168.668*** 1479.847 *** (298.533) (276.870) (339.568) (308.515) Year2010 305.420 131.868 ‐30.916 ‐117.272 (576.194) (579.429) (682.737) (657.514) Notestotable:Numberofobservations:6370observationsfrom3867families. Significance:*p<0.1,**p<0.05,***p<0.001.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelation withinthehousehold. Coefficientsinboldcanbeinterpretedasmpcoutofwealthchange.Alsoincluded:homeownership,retirementandself‐ employmentinthepreviouswave,agedummies(40‐49,50‐59,60‐69,70+),educationdummies(mediumandhigheducation), gender,regionalunemploymentrate,regionaldummies,constantterm. DetailedresultsfromthefirststageregressionsfortheIVmodelsareincludedinAppendixTableB3;F‐statisticsfrom“weak instrument”testsare:toppanel,14.61(column3)and14.51(column4);bottompanel,5.11(column3includingchangeinlabour income)and5.13(column4).
36 Table4.2:Wealtheffectsregressionsforhouseholdconsumptionofnon‐durables Dependentvariable:Changeinhouseholdexpenditureonnon‐durables. OLS IV2 ndStage IncludingΔ LabourIncome NoControlfor Income IncludingΔ LabourIncome NoControlfor Income Wealthvariable:ΔRiskyfinancialwealth Deltariskyfinancialwealth 0.016 *** 0.016 *** 0.057** 0.055 * (0.005) (0.006) (0.028) (0.029) Deltahousevalue 0.003 *** 0.003 *** 0.002*** 0.002 *** (0.001) (0.001) (0.001) (0.001) Deltalabourincome 0.058 *** 0.058*** (0.016) (0.016) Deltaunemploymentstatus ‐1165.150 *** ‐1377.210 *** ‐1123.289*** ‐1337.046 *** (396.578) (399.493) (401.656) (404.731) Deltaretirementstatus ‐352.065 ‐376.102 ‐271.566 ‐299.045 (323.674) (325.511) (324.924) (326.027) Deltano.ofpeopleintheHH 1784.869 *** 1958.676 *** 1731.445*** 1907.463 *** (213.312) (212.648) (214.925) (215.251) Deltano.ofearnersintheHH 940.634 *** 1366.262 *** 961.619*** 1386.149 *** (223.564) (198.373) (223.897) (198.489) Year2010 222.021 98.052 182.231 60.027 (412.706) (416.229) (413.681) (416.880) Wealthvariable:ΔTotalaccessiblefinancialwealth Deltafinancialwealth 0.003 0.005 ** 0.062* 0.061 (0.002) (0.002) (0.036) (0.037) Deltahousevalue 0.003 *** 0.003 *** 0.001 0.001 (0.001) (0.001) (0.001) (0.001) Deltalabourincome 0.057 *** 0.035 (0.016) (0.022) Deltaunemploymentstatus ‐1177.262 *** ‐1380.942 *** ‐1092.602** ‐1224.290 *** (395.310) (398.558) (429.604) (439.629) Deltaretirementstatus ‐382.644 ‐405.245 ‐352.157 ‐367.538 (326.928) (328.934) (481.610) (473.220) Deltano.ofpeopleintheHH 1804.936 *** 1972.997 *** 1780.590*** 1887.590 *** (213.672) (213.050) (222.560) (226.206) Deltano.ofearnersintheHH 937.863 *** 1353.366 *** 1040.217*** 1298.831 *** (223.419) (198.625) (240.356) (206.872) Year2010 226.944 101.726 26.857 ‐44.912 (412.649) (415.868) (455.016) (445.911) Notestotable:Numberofobservations:6370observationsfrom3867families. Significance:*p<0.1,**p<0.05,***p<0.001.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelation withinthehousehold. Coefficientsinboldcanbeinterpretedasmpcoutofwealthchange.Alsoincluded:homeownership,retirementandself‐ employmentinthepreviouswave,agedummies(40‐49,50‐59,60‐69,70+),educationdummies(mediumandhigheducation), gender,regionalunemploymentrate,regionaldummies,constantterm. DetailedresultsfromthefirststageregressionsfortheIVmodelsareincludedinAppendixTableB3;F‐statisticsfrom“weak instrument”testsare:toppanel,14.61(column3)and14.51(column4);bottompanel,5.11(column3includingchangeinlabour income)and5.13(column4).
37 Table4.3:Wealtheffectcoefficients:IVregressionsforcategoriesofconsumptionexpenditure Dependentvariable: ΔTotalCΔNon‐durableCΔDurablesexpenditureΔFoodexpenditure (a1) (a2) (b1) (b2) (c1) (c2) (d1) (d2) Wealthvariable:ΔRiskyfinancialwealth Deltariskyfinancialwealth 0.088* 0.086 * 0.057 ** 0.055 * 0.031 0.031 0.015 * 0.015* (0.047) (0.047) (0.028) (0.029) (0.041) (0.040) (0.008) (0.008) Deltahousevalue 0.003*** 0.003 *** 0.002 *** 0.002 *** 0.001 0.001 0.000 0.000 (0.001) (0.001) (0.001) (0.001) (0.001) (0.001) (0.000) (0.000) Deltalabourincome 0.079*** 0.058 *** 0.021 *** 0.009 ** (0.020) (0.016) (0.008) (0.004) Notestotable:Numberofobservations:6370observationsfrom3867families. Significance:*p<0.1,**p<0.05,***p<0.001. Coefficientsinboldcanbeinterpretedasmpcoutofwealthchange.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelationwithinthehousehold. Alsoincluded:homeownership,retirementandself‐employmentinthepreviouswave,agedummies(40‐49,50‐59,60‐69,70+),educationdummies(mediumandhigheducation),gender,regional unemploymentrate,regionaldummies,constant. Detailedresultsfromthefirst‐stageregressionsfortheIVmodelsareincludedinAppendixTableB3.F‐statisticsfrom“weakinstrument”testsare:14.61(includingchangeinlabourincome)and 14.51(nocontrolforchangeinlabourincome);bottompanel.
38 Table4.4:CounterfactualExercises:PredictedChangesinConsumption FullSample 2006–08Sample Averageobservedchangeintotalconsumption ‐515 (100%) ‐796 (100%) Counterfactualchanges Δriskyfinancialwealthsetto0 ‐425 (83%) ‐619 (78%) Δhousingvaluesetto0 ‐498 (97%) ‐770 (97%) Δlabourincomesetto0 ‐437 (85%) ‐753 (95%) ΔnoearnersintheHHsetto0 ‐494 (96%) ‐781 (98%) Nounemployment ‐464 (90%) ‐748 (94%) Δnoearnerssetto0andnounemployment ‐443 (86%) ‐733 (92%) ΔnoearnersandΔlabourincomesetto0and nounemployment ‐365 (71%) ‐690 (87%) Notestotable:ThesecounterfactualsarebasedontheIVregressionreportedinthetoppanelofTable4.1,includingΔlabour income(column2). Thefullsamplesizeis6370whilethe2006‐08samplehas3047observations.Themeanlevelofconsumptionis17454inthefull sampleand17627inthe2006‐08subsample.Thepercentagesinparenthesesarethepercentageoftheaverageobservedchange.
39 Table4.5:Heterogeneityinkeyregressioncoefficientsbyage(IV2ndstage) Age<70 Age50+ Age50‐69 Dependentvariable:ΔTotalconsumption Deltariskyfinancialwealth 0.114 * 0.131 * 0.218*** (0.059) (0.070) (0.084) Deltahousevalue 0.004 ** 0.003 ** 0.002 (0.001) (0.001) (0.002) Deltalabourincome 0.077 *** 0.077 *** 0.073*** (0.022) (0.019) (0.019) Dependentvariable:ΔNon‐durablesconsumption Deltariskyfinancialwealth 0.075 ** 0.056 0.095*** (0.032) (0.036) (0.035) Deltahousevalue 0.002 * 0.003 *** 0.002 (0.001) (0.001) (0.001) Deltalabourincome 0.054 *** 0.056 *** 0.047*** (0.016) (0.016) (0.016) Dependentvariable:ΔDurablesconsumption Deltariskyfinancialwealth 0.039 0.075 0.123 (0.054) (0.054) (0.085) Deltahousevalue 0.002 0.000 0.000 (0.001) (0.001) (0.002) Deltalabourincome 0.023 *** 0.021 ** 0.026** (0.009) (0.010) (0.011) Dependentvariable:ΔFoodconsumption Deltariskyfinancialwealth 0.016 0.017 0.021 (0.010) (0.012) (0.019) Deltahousevalue ‐0.000 0.000 ‐0.000 (0.000) (0.000) (0.001) Deltalabourincome 0.008 ** 0.009 * 0.007 (0.004) (0.005) (0.004) Notestotable:Numberofobservations:4335observationsifage<70;4885ifage50+;2850ifage50‐69.Coefficientsinboldcan beinterpretedasmpcoutofwealthchange. Significance:*p<0.1,**p<0.05,***p<0.001.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelation withinthehousehold.Alsoincluded:homeownership,retirementandself‐employmentinthepreviouswave,agedummies(40‐49, 50‐59,60‐69incolumns1and2;60‐69,70+incolumns3and4;60‐69incolumns5and6),educationdummies(mediumandhigh education),gender,regionalunemploymentrate,region,2010dummy,changein:unemploymentstatus,retirementstatus,no.of peopleinthehousehold,no.ofearnersinthehouseholdandconstantterm.F‐statisticsfromweakidentificationtestsare,inorder ofcolumns:age<70:9.18and9.04;age50+:22.09and22.14;age50‐69:13.97and13.99.
46 AppendixTableB6:FullresultsforregressionsreportedinthebottompanelofTable4.1 Dependentvariable:Changeinhouseholdconsumptionexpenditure OLS IV2 ndStage IncludingΔLabour Income NoControlfor Income IncludingΔLabour Income NoControlfor Income Deltafinancialwealth 0.002 0.004 0.100 0.099 (0.003) (0.003) (0.070) (0.071) Deltahousevalue 0.004*** 0.004 *** 0.001 0.001 (0.001) (0.001) (0.002) (0.003) Deltalabourincome 0.078*** 0.042 (0.020) (0.037) Deltaunemployment status ‐1569.980** ‐1852.280 *** ‐1427.671** ‐1586.125 ** (610.928) (616.057) (659.231) (679.909) Deltaretirementstatus 395.724 364.399 446.971 428.463 (469.031) (473.835) (733.326) (724.879) Deltano.ofpeopleinthe HH 2045.942*** 2278.874 *** 2005.018*** 2133.766 *** (295.844) (293.382) (305.885) (311.227) Deltano.ofearnersin theHH 996.616*** 1572.502 *** 1168.668*** 1479.847 *** (298.533) (276.870) (339.568) (308.515) Year2010 305.420 131.868 ‐30.916 ‐117.272 (576.194) (579.429) (682.737) (657.514) Age40‐49 ‐183.343 ‐63.027 ‐19.155 42.511 (501.452) (501.226) (524.039) (518.598) Age50‐59 ‐398.458 ‐272.016 ‐390.774 ‐321.666 (488.321) (490.100) (503.900) (509.482) Age60‐69 ‐1188.404** ‐1133.505 ** ‐954.727 ‐930.731 (525.747) (527.761) (689.408) (678.795) Age70+ ‐509.693 ‐433.666 ‐306.486 ‐270.115 (497.815) (500.194) (588.860) (578.675) Mediumeducation ‐428.612* ‐442.951 * ‐275.921 ‐287.765 (228.634) (229.772) (295.551) (295.279) Higheducation ‐42.463 ‐160.699 ‐505.516 ‐558.245 (468.235) (477.530) (659.186) (639.188) Regionalunemployment rate 180.764 246.045 257.430 291.214 (310.366) (312.239) (371.248) (360.952) Male ‐7.218 ‐58.657 171.405 138.548 (187.410) (189.756) (233.703) (247.867) Retired(t‐1) 107.385 159.417 66.702 96.285 (264.438) (266.266) (384.998) (385.220) Publicsectoremployee (t‐1) 11.782 32.587 179.582 186.609 (263.403) (266.759) (387.998) (382.571) Homeowner(t‐1) 190.416 180.988 63.576 61.718 (209.339) (210.899) (244.676) (244.192) Regiondummies Yes Yes Yes Yes Constant ‐1316.500 ‐1748.618 ‐1691.330 ‐1918.413 (1757.985) (1770.439) (2155.759) (2084.642) Notestotable:Numberofobservations:6370observationsfrom3867families. Significance:*p<0.1,**p<0.05,***p<0.001.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelation withinthehousehold. Coefficientsinboldcanbeinterpretedasmpcoutofwealthchange. DetailedresultsfromthefirststageregressionsfortheIVmodelsareincludedinAppendixTableB4;F‐statisticsfromweak identificationtestsare:5.11(column2includingchangeinlabourincome)and5.13(column4).
47 AppendixTableB7:FullresultsforregressionsreportedinthetoppanelofTable4.2 Dependentvariable:Changeinhouseholdexpenditureonnon‐durables. OLS IV2 ndStage IncludingΔLabour Income NoControlfor Income IncludingΔLabour Income NoControlfor Income Deltariskyfinancial wealth 0.016*** 0.016 *** 0.057** 0.055 * (0.005) (0.006) (0.028) (0.029) Deltahousevalue 0.003*** 0.003 *** 0.002*** 0.002 *** (0.001) (0.001) (0.001) (0.001) Deltalabourincome 0.058*** 0.058*** (0.016) (0.016) Deltaunemployment status ‐1165.150*** ‐1377.210 *** ‐1123.289*** ‐1337.046 *** (396.578) (399.493) (401.656) (404.731) Deltaretirementstatus ‐352.065 ‐376.102 ‐271.566 ‐299.045 (323.674) (325.511) (324.924) (326.027) Deltano.ofpeopleinthe HH 1784.869*** 1958.676 *** 1731.445*** 1907.463 *** (213.312) (212.648) (214.925) (215.251) Deltano.ofearnersin theHH 940.634*** 1366.262 *** 961.619*** 1386.149 *** (223.564) (198.373) (223.897) (198.489) Year2010 222.021 98.052 182.231 60.027 (412.706) (416.229) (413.681) (416.880) Age40‐49 183.514 270.518 248.173 332.362 (343.934) (344.675) (348.224) (348.701) Age50‐59 122.799 216.729 183.567 274.847 (333.565) (334.925) (337.172) (338.412) Age60‐69 ‐611.289* ‐573.987 ‐556.063 ‐521.148 (359.123) (359.881) (364.096) (364.838) Age70+ ‐3.110 50.370 65.114 115.642 (351.374) (353.292) (355.196) (357.082) Mediumeducation ‐272.787 ‐285.728 * ‐180.239 ‐197.144 (167.019) (168.160) (176.888) (178.798) Higheducation ‐69.782 ‐150.635 36.895 ‐48.498 (403.329) (408.166) (413.807) (419.285) Regionalunemployment rate 236.447 283.807 186.308 235.797 (216.548) (219.045) (219.213) (221.485) Male 144.589 103.644 181.580 139.068 (136.186) (138.519) (138.143) (140.533) Retired(t‐1) ‐27.285 12.040 11.873 49.500 (193.719) (195.035) (198.730) (199.634) Publicsectoremployee (t‐1) 242.022 254.941 225.333 238.962 (192.013) (194.051) (192.235) (194.169) Homeowner(t‐1) 289.372* 284.292 * 305.660** 299.884 * (153.345) (155.092) (153.536) (155.075) Regiondummies Yes Yes Yes Yes Constant ‐1855.587 ‐2171.142 * ‐1654.803 ‐1978.826 (1224.313) (1239.657) (1236.205) (1249.708) Notestotable:Numberofobservations:6370observationsfrom3867families. Significance:*p<0.1,**p<0.05,***p<0.001.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelation withinthehousehold. Coefficientsinboldcanbeinterpretedasmpcoutofwealthchange. DetailedresultsfromthefirststageregressionsfortheIVmodelsareincludedinAppendixTableB3;F‐statisticsfromweak identificationtestsare:14.61(column2includingchangeinlabourincome)and14.51(column4).
48 AppendixTableB8:FullresultsforregressionsreportedinthebottompanelofTable4.2 Dependentvariable:Changeinhouseholdexpenditureonnon‐durables. OLS IV2 ndStage IncludingΔLabour Income NoControlfor Income IncludingΔLabour Income NoControlfor Income Deltafinancialwealth 0.003 0.005 ** 0.062* 0.061 (0.002) (0.002) (0.036) (0.037) Deltahousevalue 0.003*** 0.003 *** 0.001 0.001 (0.001) (0.001) (0.001) (0.001) Deltalabourincome 0.057*** 0.035 (0.016) (0.022) Deltaunemployment status ‐1177.262*** ‐1380.942 *** ‐1092.602** ‐1224.290 *** (395.310) (398.558) (429.604) (439.629) Deltaretirementstatus ‐382.644 ‐405.245 ‐352.157 ‐367.538 (326.928) (328.934) (481.610) (473.220) Deltano.ofpeopleinthe HH 1804.936*** 1972.997 *** 1780.590*** 1887.590 *** (213.672) (213.050) (222.560) (226.206) Deltano.ofearnersin theHH 937.863*** 1353.366 *** 1040.217*** 1298.831 *** (223.419) (198.625) (240.356) (206.872) Year2010 226.944 101.726 26.857 ‐44.912 (412.649) (415.868) (455.016) (445.911) Age40‐49 162.985 249.793 260.660 311.910 (343.488) (344.321) (358.345) (357.159) Age50‐59 98.699 189.927 103.271 160.704 (333.500) (334.835) (346.746) (347.991) Age60‐69 ‐625.762* ‐586.152 ‐486.747 ‐466.804 (358.873) (359.489) (452.627) (446.136) Age70+ ‐23.790 31.064 97.098 127.326 (351.182) (353.013) (404.145) (399.064) Mediumeducation ‐304.870* ‐315.216 * ‐214.034 ‐223.877 (167.472) (168.335) (203.187) (203.012) Higheducation ‐127.705 ‐213.012 ‐403.177 ‐446.999 (404.240) (409.117) (479.710) (473.066) Regionalunemployment rate 259.051 306.152 304.661 332.737 (216.690) (219.084) (244.007) (240.080) Male 135.619 98.505 241.882 214.575 (136.120) (138.241) (159.303) (167.029) Retired(t‐1) ‐44.310 ‐6.768 ‐68.511 ‐43.926 (193.741) (194.831) (257.788) (257.187) Publicsectoremployee (t‐1) 254.209 269.220 354.034 359.873 (192.961) (194.936) (253.385) (250.357) Homeowner(t‐1) 278.689* 271.886 * 203.232 201.687 (153.298) (155.014) (169.902) (170.456) Regiondummies Yes Yes Yes Yes Constant ‐1948.330 ‐2260.104 * ‐2171.317 ‐2360.042 * (1224.689) (1239.576) (1416.872) (1386.649) Notestotable:Numberofobservations:6370observationsfrom3867families. Significance:*p<0.1,**p<0.05,***p<0.001.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelation withinthehousehold. Coefficientsinboldcanbeinterpretedasmpcoutofwealthchange. DetailedresultsfromthefirststageregressionsfortheIVmodelsareincludedinAppendixTableB4;F‐statisticsfromweak identificationtestsare:5.11(column2includingchangeinlabourincome)and5.13(column4).
49 AppendixTableB9:FullresultsforregressionsreportedinTable4.3 Dependent variable: ΔTotalCΔNon‐durableC ΔDurablesexpenditures ΔFoodexpenditure (a1) (a2) (b1) (b2) (c1) (c2) (d1) (d2) Deltarisky financialwealth 0.088* 0.086 * 0.057 ** 0.055 * 0.031 0.031 0.015 * 0.015 * (0.047) (0.047) (0.028) (0.029) (0.041) (0.040) (0.008) (0.008) Deltahousevalue 0.003*** 0.003 *** 0.002 *** 0.002 *** 0.001 0.001 0.000 0.000 (0.001) (0.001) (0.001) (0.001) (0.001) (0.001) (0.000) (0.000) Deltalabour income 0.079*** 0.058 *** 0.021*** 0.009 ** (0.020) (0.016) (0.008) (0.004) Delta unemployment status ‐1481.319** ‐1773.569 *** ‐1123.289 *** ‐1337.046 *** ‐358.030 ‐436.523 ‐209.005 ‐243.517 (618.512) (623.452) (401.656) (404.731) (462.310) (462.777) (183.093) (183.091) Deltaretirement status 569.728 532.158 ‐271.566 ‐299.045 841.294** 831.204 ** ‐117.269 ‐121.706 (480.620) (484.088) (324.924) (326.027) (367.328) (368.194) (174.683) (174.288) Deltano.of peopleintheHH 1930.572*** 2171.226 *** 1731.445 *** 1907.463 *** 199.127 263.763 971.090 *** 999.509 *** (292.252) (292.015) (214.925) (215.251) (193.044) (191.205) (101.054) (100.635) Deltano.of earnersintheHH 1039.473*** 1619.893 *** 961.619 *** 1386.149 *** 77.854 233.744 225.739 ** 294.280 *** (297.779) (275.373) (223.897) (198.489) (203.553) (206.509) (91.141) (88.480) Year2010 224.320 57.242 182.231 60.027 42.089 ‐2.785 818.169 *** 798.439 *** (580.768) (583.006) (413.681) (416.880) (408.083) (407.970) (178.065) (177.679) Age40‐49 ‐45.521 69.583 248.173 332.362 ‐293.694 ‐262.779 ‐234.801 * ‐221.208* (509.992) (509.534) (348.224) (348.701) (376.033) (375.903) (131.555) (131.431) Age50‐59 ‐266.614 ‐141.816 183.567 274.847 ‐450.181 ‐416.662 ‐334.795 *** ‐320.058 ** (491.351) (492.696) (337.172) (338.412) (364.453) (364.787) (129.529) (129.507) Age60‐69 ‐1072.162** ‐1024.426 * ‐556.063 ‐521.148 ‐516.099 ‐503.278 ‐427.830 *** ‐422.193 *** (533.083) (535.024) (364.096) (364.838) (403.132) (403.394) (150.248) (149.960) Age70+ ‐364.744 ‐295.661 65.114 115.642 ‐429.858 ‐411.303 ‐360.494 ** ‐352.336 ** (502.262) (504.289) (355.196) (357.082) (371.172) (371.049) (140.540) (140.555) Medium education ‐230.043 ‐253.155 ‐180.239 ‐197.144 ‐49.803 ‐56.011 ‐150.156 ** ‐152.885 ** (242.037) (242.876) (176.888) (178.798) (173.796) (173.428) (72.820) (73.038) Higheducation 196.508 79.759 36.895 ‐48.498 159.613 128.257 ‐367.525 ** ‐381.312 ** (493.498) (503.352) (413.807) (419.285) (305.937) (308.428) (159.206) (159.245)
50 Regional unemployment rate 70.671 138.332 186.308 235.797 ‐115.637 ‐97.464 ‐365.621 *** ‐357.631 *** (314.687) (316.214) (219.213) (221.485) (220.921) (220.754) (91.909) (91.693) Male 70.295 12.172 181.580 139.068 ‐111.286 ‐126.896 ‐42.829 ‐49.693 (189.330) (191.626) (138.143) (140.533) (134.885) (134.884) (58.244) (58.227) Retired(t‐1) 193.063 244.507 11.873 49.500 181.190 195.007 28.906 34.981 (274.934) (276.276) (198.730) (199.634) (198.989) (199.575) (93.649) (93.622) Publicsector employee(t‐1) ‐27.110 ‐8.476 225.333 238.962 ‐252.443 ‐247.438 33.868 36.069 (266.625) (269.684) (192.235) (194.169) (189.575) (190.001) (79.650) (79.801) Homeowner(t‐1) 227.790 219.892 305.660 ** 299.884 * ‐77.871 ‐79.992 50.167 49.234 (210.334) (211.611) (153.536) (155.075) (136.246) (136.144) (65.908) (66.150) Regiondum.s Yes Yes Yes Yes Yes Yes Yes Yes Constant ‐874.557 ‐1317.563 ‐1654.803 ‐1978.826 780.246 661.262 2396.792 *** 2344.478 *** (1780.904) (1790.618) (1236.205) (1249.708) (1269.021) (1268.633) (515.582) (514.511) Notestotable:Numberofobservations:6370observationsfrom3867families. Significance:*p<0.1,**p<0.05,***p<0.001.Standarderrorsinparenthesisarerobusttoheteroskedasticityandtocorrelationwithinthehousehold. Coefficientsinboldcanbeinterpretedasmpcoutofwealthchange. DetailedresultsfromthefirststageregressionsfortheIVmodelsareincludedinAppendixTableB3;F‐statisticsfromweakidentificationtestsare:14.61(includingchangeinlabourincome)and 14.51(nocontrolforchangeinlabourincome).
51 AppendixTableB10:Percentowningriskyassetsbyage‐band Ageband Lessthan50 50‐69 70and above Samplesize Percentagethatownriskyassets 15.2% 16.9% 10.2% 6370 NotestoTable:Ownershipofriskyassetsisdefinedintermsofhavinganon‐zerovalueforourexcludedinstrument,sois measuredin2004or2006. AppendixTableB11: Percentbecomingpessimisticandwithamortgage,byownershipofriskyassets Sample All Thoseowning riskyassets Samplesize Becomepessimistic 12.3% 23.3% 3327 Havemortgage 11.1% 14.5% 5536 NotestoTable:Ownershipofriskyassetsisdefinedintermsofhavinganon‐zerovalueforourexcludedinstrument,sois measuredin2004or2006.Samplesizesarefortheregressionsreported,respectively,inTables4.6and4.7.