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Corporate tax aggressiveness and market value of Vietnamese listed firms

Author: Le Quy Duong
Publisher: Warsaw: VIZJA University
Year: 2025
DOI: 10.5709/ce.1897-9254.569
Source: https://www.econstor.eu/bitstream/10419/330346/1/1939704065.pdf
Le Quy Duong
A icle
Co po a e ax agg essi eness and ma ke alue o
Vie namese lis ed i ms
Con empo a y Economics
P o ided in Coope a ion wi h:
VIZJA Uni e si y, Wa saw
Sugges ed Ci a ion: Le Quy Duong (2025) : Co po a e ax agg essi eness and ma ke alue o
Vie namese lis ed i ms, Con empo a y Economics, ISSN 2300-8814, VIZJA Uni e si y, Wa saw, Vol.
19, Iss. 3, pp. 329-338,
h ps://doi.o g/10.5709/ce.1897-9254.569
This Ve sion is a ailable a :
h ps://hdl.handle.ne /10419/330346
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Despi e ex ensi e academic esea ch on he ma ke capi aliza ion implica ion o co po a e ax agg essi eness
in de eloped ma ke s, pape s examining his causal ela ionship in eme ging ma ke s a e ew and a be-
ween. The p esen a icle aims o con ibu e o he ex an li e a u e by in es iga ing he impac o co po a e
ax a oidance on ma ke alue in Vie nam. The da a sample includes nea ly 7,400 i m-yea obse a ions om
2009 o 2023. Reg ession analysis wi h panel da a is employed o assess he in luence o co po a e ax agg es-
si eness on i m alue o Vie namese lis ed i m. Empi ical esul s show ha co po a e ax a oidance inhibi s
ma ke alue o lis ed i ms. On a e age, he ma ke capi aliza ion would dec ease by a ound 0.13% i he
e ec i e ax a e inc eases by 1%. Fu he mo e, inancial le e age, i m size, and p o i abili y ha e signi ican
impac s on i m alue. As a esul , we p opose se e al ecommenda ions o he Vie namese go e nmen o
con ol ax-agg essi e ac i i ies and build e ec i e ax adminis a ion in he u u e.
1. In oduc ion1. In oduc ion
Al hough ax agg essi eness has been comp e-
hensi ely in es iga ed in nume ous pape s, i s
de ini ion is no uni e sally accep ed. Acco ding
o Bimo e al. (2019), co po a e ax agg essi eness
o a oidance en ails a angemen s and ansac-
ions ha dec ease explici axes. Following Huang
e al. (2018), co po a e ax agg essi eness includes
a ious legal ac i i ies o educe a i m's ax liabil-
i y. Co po a e ax is he c i ical ac o ha a ec s a
company's managemen choices, such as di idend
policy, inancial le e age, and e ained ea nings. As
a esul , co po a e ax agg essi eness undoub edly
in luences a i m's alue. Howe e , he e a e s ill
unanswe ed conce ns abou his p oposi ion. No-
ably, i is cu en ly ques ionable whe he co po a e
ax agg essi eness p omo es o inhibi s he ma ke
alue o a lis ed company.
On he one hand, co po a e ax agg essi eness
imp o es u u e cash low and educes ax bu den,
enhancing i m alue (Hasan e al., 2021; Mess-
aoude & Ming-Chang, 2023; Gued ib & Ma ouani,
2023). On he o he hand, ax agg essi eness migh
nega i ely a ec he i m alue due o epu a ion-
al cos s, agency cos s, highe cos s o capi al, and
sanc ions imposed by he go e nmen (Chen e
al., 2014; Campbell e al., 2020; A o a & Gill, 2022;
McClu e, 2023). In a di e en con ex , he ex an
li e a u e does no indica e whe he he p omo ing
(o inhibi ing) e ec obse ed in de eloped ma -
ke s could be ex ended o Vie nam, an in an and
ine icien capi al ma ke .
Mo i a ed by his esea ch gap, we aim o analyze
Co po a e Tax Agg essi eness and Ma ke Value o
Vie namese Lis ed Fi ms
ABSTRACT
H26, G32, G10.
KEY WORDS:
JEL Classi ica ion:
ax agg essi eness, i m alue, eme ging s ock ma ke s.
School o Banking and Finance, Na ional Economics Uni e si y
Co espondence conce ning his a icle should be add essed o:
Quy Duong Le, School o Banking and Finance, Na ional Econom-
ics Uni e si y,
Room 909, A1 Building, 207 Giai Phong s ee , Hai Ba
T ung dis ic , Hanoi.
E-mail: [email p o ec ed]
Quy Duong Le
P ima y submission: 13.07.2024 | Final accep ance: 27.05.2025
330
Quy Duong Le
10.5709/ce.1897-9254.569DOI: CONTEMPORARY ECONOMICS
Vol. 19 Issue 3 329-3382025
he impac o co po a e ax agg essi eness on i m
alue in Vie nam, an impo an eme ging ma ke
in Sou heas Asia wi h unique cha ac e is ics com-
pa ed o de eloped ma ke s. Fi s ly, due o nume -
ous compliances and documen s equi ed by he ax
egula ion, Vie nam has a no o iously complica ed
ax sys em. Se e al p o isions ela ed o co po a e
ax a e e en con adic o y. The Ease o Doing Busi-
ness epo s a ax paymen index in which Vie -
nam sco es 109 ou o 190 na ions (Wo ld Bank,
2020). Fu he mo e, he elec onic ax se ice has
no been widely applied due o limi ed equipmen ,
acili ies, and in e ne in as uc u e. The complex
legal sys em, as well as incomple e elec onic ax
se ices, c ea e a ou able condi ions o ax ag-
g essi eness. Secondly, in Vie nam, he loss o he
s a e budge h ough ax a oidance is much mo e
se e e compa ed o de eloped ma ke s. In 2022,
Vie nam's ax e enue accoun s o abou 15.36%
o GDP, while he ax e enue o OECD coun ies
is abou 34% (OECD, 2023). Consequen ly, he
amoun o na ional ou pu collec ed by he go e n-
men h ough axes is low, which has nega i e social
implica ions. As a esul , he epu a ional expenses
connec ed wi h ax agg essi eness a e likely o ha e
a mo e no iceable nega i e in luence on i m alue
in Vie nam. Finally, while he In e na ional Finan-
cial Repo ing S anda d (IFRS) is widely applied
in neighbou ing coun ies, Vie nam's inancial
epo ing is no based on IFRS p inciples, leading
o manipula ion. Hence, his pape is essen ial o
o eign in es o s who a e paying a en ion o Vie -
nam, an eme ging s ock ma ke wi h unique cha -
ac e is ics. Fu he mo e, we also p opose se e al
i al ecommenda ions o policymake s o make
he ax sys em mo e e icien .
Based on he popula ion o mo e han 580 Vie -
namese lis ed i ms om 2009 o 2023, we pe o m
eg ession analysis o explo e he ela ionship be-
ween co po a e ax agg essi eness and i m alue.
Diagnos ic es s show ha he ixed-e ec s model
is signi ican and sui able o he da a sample. Ac-
co ding o eg ession esul s, ax agg essi eness in-
hibi s i m alue, i espec i e o which a io is used
o measu e ax agg essi eness. Fo ins ance, i he
o al o cu en ax a e inc eases by 1%, i m alue
would educe by app oxima ely 0.13% on a e age.
I aligns wi h he esul s epo ed in se e al eme g-
ing Asian ma ke s, such as China (Chen e al.,
2014) and India (A o a & Gill, 2022). Howe e , his
esul con adic s pa e ns documen ed in Wes e n
de eloped ma ke s like he US, F ance o Japan
(Tang e al., 2019; Hasan e al., 2021). While i m
size, inancial le e age, and p o i abili y a e signi i-
can ly explana o y a iables, ixed asse s a io and
sales g ow h play no ole in explaining i m alue.
This pape includes i e sec ions. The li e a u e
e iew and hypo hesis de elopmen a e p esen ed
in he nex sec ion. The me hodology is in oduced
in Sec ion 3, whe eas he empi ical esul s a e ana-
lyzed in Sec ion 4. Conclusion and ecommenda-
ions a e d awn in he inal sec ion.
2. Li e a u e Re iew and 2. Li e a u e Re iew and
Hypo hesis De elopmen Hypo hesis De elopmen
Since co po a e ax migh educe i ms’ p e- ax
p o i s by a signi ican amoun , i a ec s i m alue.
Se e al academic esea che s ocus on he ela ion-
ship be ween co po a e ax agg essi eness and i m
alue, leading o wo opposing iewpoin s. On he
one hand, i is e iden ha co po a e ax agg es-
si eness posi i ely a ec s i m alue. Thanks o
co po a e ax agg essi eness, he ax bu den would
be educed, minimizing he ans e o weal h om
he co po a ion o he go e nmen . F om an in e -
na ional pe spec i e, Tang e al. (2019) ind ha
lis ed companies wi h highe ax agg essi eness ex-
hibi highe ma ke capi aliza ion, especially in he
US, F ance, Japan, and Canada. By a oiding co po-
a e ax, hese i ms could maximize hei ne p o -
i s, which a e used o ein es and pay di idends
o sha eholde s. Hasan e al. (2021) a gue ha
co po a e ax agg essi eness inc eases u u e cash
low, enhancing i m alue in he US om 1986 o
2016. Addi ionally, companies engaging in ax ag-
g essi eness end o in es mo e, inc easing hei
u u e pe o mance (Hossain e al., 2022). Based on
a da a se o 375 Taiwanese lis ed i ms om 2009-
2019, Messaoude and Ming-Chang (2023) epo a
signi ican ly posi i e e ec o ax a oidance on i m
alue. Acco ding o Gued ib and Ma ouani (2023),
co po a e ax agg essi eness could be conside ed as
an in es men p o iding ax sa ings, leading o an
inc ease in i m alue in Tunisian.
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Co po a e Tax Agg essi eness and Ma ke Value o Vie namese Lis ed Fi ms
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On he o he hand, se e al s udies documen a
i m alue educ ion associa ed wi h co po a e ax
a oidance. Acco ding o he agency cos s heo y,
in es o s migh be conce ned ha ax agg essi e-
ness is combined wi h pe o mance manipula ion,
lowe ing i m anspa ency (Desai & Dha mapala,
2009). Then, he agency cos s would a ise due o
wo se con lic s be ween he boa d o di ec o s and
s ockholde s. Ob usca o y ax-agg essi e ac i i ies
migh lead o a shield o manage ial oppo unism
and he di e sion o en s. Implemen ing ax plan-
ning ac i i ies also incu s labou , ime, and o he
esou ces. Fu he mo e, i ms wi h p ominen
b ands bea signi ican expenses due o he epu-
a ional damage o consume s and supplie s. Using
a s uc u al model, McClu e (2023) es ima es ha
he non- ax cos s o ax agg essi eness, including
agency cos s and ax audi isk, educe p e- ax in-
come by a ound 6.5%. F om inancial ma ke s,
Chen e al. (2014) disco e he nega i e eac ion o
in es o s o he disclosu e o ax a oidance, which
ad e sely a ec s i m alue. All lis ed companies
mus ul il hei ax obliga ions. Hence, i a i m
canno conceal i s ax-agg essi e a angemen s
and ansac ions, i migh ace po en ial penal ies
imposed by he axa ion depa men (Campell e
al., 2020). Tax-agg essi e ansac ions impai co -
po a e epu a ion, leading o unwan ed sc u iny
om ax au ho i ies (Aus in & Wilson, 2017). F om
he cos o capi al heo y, Cook e al. (2017) s a e
ha he cos o equi y ises wi h co po a e ax ag-
g essi eness. Simila ly, bond yields and bank loan
sp eads inc ease i i ms engage in ax a oidance
(She lin e al., 2020). Subsequen ly, he highe cos
o equi y and cos o deb makes he cos o capi al
highe , leading o a i m alue discoun . Examining
a uni e se o app oxima ely 550 lis ed i ms in In-
dia be ween 2009 and 2019, A o a and Gill (2022)
documen a signi ican ly nega i e co ela ion be-
ween ax a oidance and i m alue.
In summa y, he exis ing pape s in es iga ing
co po a e ax agg essi eness's e ec s on i m alue
ha e p o ided inconsis en indings since hey ha e
been ca ied ou in di e en con ex s. Building on
he e iewed li e a u e, we p edic ha he cos s o
ax-agg essi e ac i i ies would exceed hei ben-
e i s. Theo e ically, ax agg essi eness could cause
agency cos s, po en ial penal ies om au ho i ies,
ad e se eac ions om in es o s, and highe cos s
o capi al. The e o e, he expec ed hypo hesis is:
H1: The ax agg essi eness would nega i ely a -
ec i m alue in Vie nam.
3. Me hodology3. Me hodology
3.1. Da a Sample
The da a sample includes Vie namese lis ed compa-
nies be ween 2009 and 2023. Ou da a sample does no
include inancial ins i u ions such as comme cial banks,
insu e s, o secu i ies companies since hei epo ing
s anda ds di e om hose o non- inancial i ms. Ob-
se a ions wi h missing da a o nega i e p e- ax income
a e also emo ed. Owing o hese il e s, an unbal-
anced panel o 7,338 i m-yea obse a ions wi h 583
published companies is ob ained. Accoun ing da a is
ga he ed om FiinG oup, a p ominen se ice supplie
Table 1
Sample Dis ibu ion Ac oss Yea s
Yea Numbe o i ms Yea Numbe o i ms
2009 384 2017 522
2010 399 2018 529
2011 407 2019 552
j2012j 409 2020 550
2013 433 j2021j 558
j2014j 458 j2022j 571
j2015j 469 j2023j 583
j2016j 514
332
Quy Duong Le
10.5709/ce.1897-9254.569DOI: CONTEMPORARY ECONOMICS
Vol. 19 Issue 3 329-3382025
o inancial da a in Vie nam (h ps:// iinx. n). Table 1
displays he da a samples so ed by yea .
3.2. Va iable Cons uc ion
Fi s ly, ma ke capi aliza ion di ided by he book al-
ue o common equi y is used as a p oxy o i m alue, as
Tang (2019) and Hasan e al. (2021) sugges ed. Ma ke
capi aliza ion equals he numbe o ou s anding sha es
mul iplied by he closing s ock p ice a he end o he
iscal yea .
Secondly, he ollowing a ios a e used as he su -
oga e o co po a e ax agg essi eness (A o a & Gill,
2022; Messaoude & Ming-Chang, 2023). The o al ax
a e equals he o al ax expense scaled by he p e- ax
income. The cu en ax a e is he a io be ween he cu -
en ax expense and he p e- ax income. The ax paid
a e is es ima ed as he ax paid in cash di ided by he
p e- ax income. The book- ax di e ence is equal o he
p e- ax income minus he axable income. Since i is un-
able o collec he ac ual axable income o a lis ed i m,
i is calcula ed as he cu en ax expense di ided by he
highes co po a e income ax a e. Then, he book- ax
di e ence a e is aken as he a io o he book- ax di e -
ence and o al asse s.
Finally, we added se e al con ol a iables based on
ex an li e a u e on ax agg essi eness and i m alue
(Chen e al., 2014; Tang, 2019; Gued ib & Ma ouani,
2023). These a e he loga i hm o o al asse s (Size), o al
deb di ided by o al esou ces (Le ), he a io o ixed
asse s o o al asse s (Fix), e u n on o al asse s (ROA)
and inc ease in ne e enue (G Sale). All he a iables
a e de ined in Table 2.
3.3. Model Speci ica ion
To examine he impac o ax agg essi eness on
i m alue, we un eg essions using a panel da a
me hodology. Fi m alue is he dependen a i-
able, and ax-agg essi e a ios a e he key explana-
o y a iables:
(1)
Whe e: TA ( ax agg essi eness) is one o he ollow-
ing a iables: TTR, CTR, TPR, o BTR. Con ol a i-
ables include Size, Le , Fixed, ROA, and G Sale. β0 is
he eg ession cons an . β1 e lec s he e ec o ax ag-
g essi eness, whe eas βm e lec s he e ec o con ol
a iables. ε is a s ochas ic e o e m.
4. Resul s and Discussions4. Resul s and Discussions
4.1. Desc ip i e S a is ics
Table 3 p o ides a de ailed summa y o he de-
sc ip i e s a is ics o all a iables. Focusing on i m
alue as a dependen a iable, i s mean is 1.473,
wi h a s anda d de ia ion o 1.387. On a e age, he
ma ke capi aliza ion o Vie namese lis ed i ms is
app oxima ely 1.5 imes hei book alue o com-
mon equi y. The means o o al and cu en ax a-
ios a e 0.198, sligh ly lowe han he s a u o y ax
a e o 20%. In con as , he a e age ax paid a io
is app oxima ely 18%, indica ing ha he ac ual ax
paid in cash is less han he accoun ing ax expens-
es. No ably, he a e age book- ax di e ence a e is
0.012, sugges ing ha he axable income is lowe
han he accoun ing p e- ax income. This da a leads
o he conclusion ha co po a e ax agg essi eness
is p e alen in Vie nam. Mo ing on o he con ol
a iables, he mean inancial le e age is app oxi-
ma ely 0.2, indica ing ha abou 20% o i ms’ o al
asse s a e inanced by deb . The a e age ixed asse s
a io is oughly 23%. Sample Vie namese compa-
nies ha e an a e age ROA o nea ly 8% and an a e -
age sales g ow h a e o 42.7%. As shown in Table 4,
he highes co ela ion coe icien be ween he wo
explana o y a iables is only 0.352, and impo an -
ly, mul icollinea i y is no p esen , ensu ing he eli-
abili y o ou esea ch indings. Al hough he co e-
la ion coe icien be ween he o al ax a io and he
cu en ax a io is 0.8, hey a e no simul aneously
explana o y a iables.
4.2. Diagnos ic Tes s
Fi s ly, he Augmen ed Dickey-Fulle es is em-
ployed o check he s a iona i y o he a iables. As
displayed in Table 5, all DF s a is ics a e lowe han
he c i ical alue o -1.403. The e o e, all he a iables
a e cons an .
Secondly, he Hausman es is pe o med o se-
lec he mos sui able model om he ixed-e ec s
and andom-e ec s models. The chi-squa ed s a-
is ics, which a e ema kably high a mo e han 70,
wi h a p- alue o 0.000, p o ide a clea indica ion

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Co po a e Tax Agg essi eness and Ma ke Value o Vie namese Lis ed Fi ms
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Table 2
Va iable de ini ion
Va iables De ini ion Calcula ion
FV Fi m alue Ma ke capi aliza ion / Book alue o common equi y
TTR To al ax a io To al ax expense / P e- ax income
CTR Cu en ax a io Cu en ax expense / P e- ax income
TPR Tax paid a io Tax paid in cash / P e- ax income
BTR Book- ax di e ence a io (P e ax income-Taxable income)/(To al asse s)
Size To al asse s The loga i hm o o al asse s
Le Financial le e age To al liabili y / To al esou ces
Fixed Fixed asse s a io Fixed asse s / To al asse s
ROA Re u n on o al asse s Ne income / To al asse s
GRSale Sale G ow h (Sale_ -Sale_( -1))/Sale_( -1)
Table 3
Desc ip i e S a is ics
Va iable Mean Max Min S d. De . Obse a ions
FV 1.473 25.010 0.050 1.387 7,338
TTR 0.198 0.570 0.000 0.094 7,338
CTR 0.198 0.484 0.000 0.103 7,338
TPR 0.179 0.496 0.000 0.100 7,338
BTR 0.012 0.595 -0.227 0.041 7,338
Size 27.439 33.990 23.381 1.630 7,338
Le 0.206 0.860 0.000 0.183 7,338
Fixed 0.237 0.978 0.000 0.212 7,338
ROA 0.079 0.812 -0.012 0.075 7,338
GRSale 0.427 46.120 -1.049 6.419 7,338
Table 4
Co ela ion Ma ix
FV TTR CTR TPR BTR Size Le Fixed ROA GR-
Sale
FV 1.000 - - - - - - - - -
TTR 0.398*** 1.000 - - - - - - - -
CTR 0.453*** 0.841*** 1.000 - - - - - - -
TPR 0.216** 0.428*** 0.407*** 1.000 - - - - - -
BTR 0.585*** 0.544** 0.553*** 0.416*** 1.000 - - - - -
Size 0.139*** -0.001 0.009 -0.02* 0.011 1.000 - - - -
Le -0.095** 0.012 0.024** -0.041*** -0.034*** 0.341*** 1.000 - - -
Fixed 0.048*** -0.178*** -0.157*** -0.095*** 0.142*** -0.001 0.264*** 1.000 - -
ROA 0.347*** -0.219*** -0.203*** -0.166*** 0.364*** -0.16*** -0.352*** 0.039** 1.000 -
GR-
Sale
-0.021* -0.011 -0.009 -0.034*** 0.004 0.007 -0.021* -0.025* -0.001 1.000
334
Quy Duong Le
10.5709/ce.1897-9254.569DOI: CONTEMPORARY ECONOMICS
Vol. 19 Issue 3 329-3382025
ha he ixed-e ec s model is he bes i o he
da a sample.
Finally, we check he assump ions o he panel e-
g essions. The Du bin-Wa son and B eusch-Pagan
es s a e used o check he p esence o se ial co e-
la ion and he e oskedas ici y. As epo ed in Table
6, au o-co ela ion is absen since he DW s a is ics
a e always close o 2. The p- alue o he B eusch-
Pagan es s is always highe han 0.05, implying he -
e oskedas ici y is no a se ious p oblem.
4.3. The E ec o Tax Agg essi eness on Fi m Value
Table 6 shows he eg ession analysis esul s us-
ing he ixed-e ec s model. F om a s a is ical pe -
spec i e, co po a e ax agg essi eness and con ol
a iables explain app oxima ely 60% o he a ia-
ion in Vie namese i m alue du ing 2009-2023.
Since he F-s a is ics a e inc edibly high, a mo e
han 80, he model is signi ican and p o ides eli-
able eg ession esul s.
Table 6 p esen s he eg ession esul s o he e -
ec o ax a oidance on Vie namese i m alue.
I 's c ucial o no e ha ax agg essi eness has a
signi ican nega i e impac on i m alue, ega d-
less o he ax-agg essi e a ios. The book- ax di -
e ence a io, in pa icula , has he highes impac ,
wi h a 1% inc ease esul ing in a 0.141% dec ease
in i m alue. Simila ly, a 1% ise in he o al ax
a e o cu en ax a e leads o an a e age educ ion
o oughly 0.13% in lis ed i m alue. The e ec o
he ax-paid a io on i m alue is he lowes , wi h
a signi ican es ima ed coe icien o -0.093. The e-
o e, hypo hesis H1 is con i med, implying ha
co po a e ax agg essi eness nega i ely a ec s he
Vie namese i m alue. These indings co obo a e
he hypo hesis sugges ed by Chen e al. (2014) and
A o a and Gill (2022). F om he heo y o agency
cos s, obscu e ax-agg essi e ac i i ies such as in-
come con e sion, p ice ans e , and capi al hin-
ning a e conside ed inancial s a emen manipula-
ion, lowe ing i m anspa ency. Then, manage s
a e likely o pa icipa e in weal h exp op ia ion,
o se ing ax a oidance bene i s. Fu he mo e, due
o he ding beha iou (Nguyen & Vo, 2024), nume -
ous Vie namese in es o s nega i ely o e eac o
disclosing ax-agg essi e ac i i ies. Consequen ly,
sha es o lis ed i ms engaging in ax a oidance a e
o e sold, leading o a subs an ial dec ease in ma -
ke alue. Mo e impo an ly, because Vie nam is an
in an and ine icien capi al ma ke , s ock p ices
migh be pushed below hei in insic alues o e
a pe iod o ime. The e o e, co po a e ax agg es-
si eness has a signi ican ly nega i e impac on i m
alue in Vie nam, consis en wi h esul s epo ed
in o he Asian eme ging ma ke s. In China, Chen
e al. (2014) epo ha a dec ease o 0.25% in he
ma ke capi aliza ion is associa ed wi h an inc ease
o 1% in he book- ax di e ence. In India, i he
book- ax di e ence a io ises by 1%, he ma ke
alue o equi y dec eases by oughly 0.156% (A o a
& Gill, 2022).
Fu he mo e, se e al con ol a iables signi i-
can ly a ec i m alue, as shown in Table 6. Fi m
size posi i ely a ec s i m alue, wi h signi ican es-
ima ed coe icien s o app oxima ely 0.2. Thanks o
p ecious asse s, la ge companies could mo e easily
aise loans om he capi al ma ke , educing hei
cos o deb . Big i ms could achie e op imal capi al
s uc u es, ake ad an age o ax shields, and hen
maximize hei ma ke alue. In an eme ging ma -
ke like Vie nam, indi idual in es o s conside a
as lis ed i m a isible and a ac i e in es men ,
leading o a high demand o pu chase i s sha es.
Hence, i m size p omo es i m alue, as documen -
ed by T ipa hi e al. (2024).
Financial le e age and p o i abili y also ha e
posi i e e ec s on i m alue. These con ol a i-
ables' es ima ed coe icien s a e conside ably high,
a a ound 0.13 and 0.23, espec i ely. The e a e bo h
ad an ages and disad an ages o using inancial le-
e age. On one side o he coin, in e es expenses
a e ax deduc ible, inc easing ax sa ings and i m
alue. On he o he side, an excessi e deb a io
migh imply de aul isk i he i m canno mee
p incipal and in e es paymen s. As shown in Table
3, he a e age inancial le e age o Vie namese lis -
ed i ms is only abou 20.6%. Vie namese i ms a e
likely o main ain inancial le e age a a balanced
le el, which posi i ely a ec s hei ma ke alue. I
is consis en wi h he esul s o Nguyen e al. (2020).
Acco ding o Nguyen e al. (2023), p o i abili y is
an essen ial index ha Vie namese in es o s use
o make hei in es men decisions. The highe
he p o i abili y, he mo e a ac i e he lis ed i m.
www.ce. izja.pl
335
Co po a e Tax Agg essi eness and Ma ke Value o Vie namese Lis ed Fi ms
This wo k is licensed unde a C ea i e Commons A ibu ion 4.0 In e na ional License.
Table 5
The Augmen ed Dickey–Fulle Tes Resul s
FV TTR CTR TPR BTR Size Le Fixed ROA GRSale
DF es
s a is ic
-2.814 -1.934 -1.828 -2.155 -2.082 -1.577 -1.691 -1.519 -1.608 -1.752
Table 6
The E ec o Tax Agg essi eness on Fi m Value
Models (1) (2) (3) (4)
Cons an 0.574*** 0.576*** 0.485** 0.583***
TTR -0.128***
CTR -0.136***
TPR -0.093***
BTR -0.141***
Size 0.205*** 0.207*** 0.204*** 0.205***
Le 0.137*** 0.141*** 0.134*** 0.127**
Fixed 0.083 0.098 0.088 0.098
ROA 0.231** 0.241*** 0.239** 0.244**
GRSale -0.001 -0.006 -0.008 -0.007
Adjus ed R2 0.598 0.598 0.583 0.584
F-s a is ic 86.179 86.847 87.169 81.866
DW s a is ics 1.842 1.875 1.892 1.909
B eusch-Pagan P ob. 0.214 0.204 0.179 0.188
No e: *,**, and *** indica e signi icance a he 10%, 5%, and 1% le els, espec i ely.
Table 7
C oss-coun ies Compa a i e Analysis o Tax Sys ems Among Eigh De eloping Coun ies in ASEAN
Co po a e
ax a e Tax calcula ion Tax se ice
Regula o y
quali y
T anspa en
ax egula ion
IFRS accoun ing
s anda ds
Book- ax
di e ence
a io
Indonesia 25% Sel assessmen Elec onic -0.28 -0.6 Yes 0.0082
Malaysia 25% Sel assessmen Elec onic 0.55 0.51 Yes 0.0068
Singapo e 17% O icial assessmen Elec onic 1.96 1.77 Yes 0.0046
Thailand 30% Sel assessmen Elec onic 0.23 -0.17 Yes NA
Philippines 30% Sel assessmen Elec onic -0.06 -0.55 Yes 0.0086
Cambodia 20% Sel assessmen Manual -0.35 -0.97 No NA
Laos 35% Sel assessmen Manual -0.84 -0.83 No NA
Vie nam 20% Sel assessmen Manual -0.61 -0.74 No 0.012
No e. This able p esen s a compa a i e analysis o se e al de eloping ma ke s in ASEAN. The co po a e ax a e is
collec ed om Syadullah (2015). The Regula o y Quali y and T anspa en ax egula ion a e ob ained om Ta midi e
al. (2019). While he book- ax di e ence a ios o Indonesia, Malaysia, Singapo e, and he Philippines a e collec ed om
Feb iana and Rachmawa i (2023), he igu e o Vie nam is calcula ed by he au ho . NA s ands o No A ailable, and
IFRS s ands o In e na ional Financial Repo ing S anda d.
336
Quy Duong Le
10.5709/ce.1897-9254.569DOI: CONTEMPORARY ECONOMICS
Vol. 19 Issue 3 329-3382025
Consequen ly, p o i abili y measu ed by e u n o
asse s has a signi ican ly posi i e impac on i m
alue.
By con as , he e is insu icien da a o conclude
he e ec s o ixed asse s a io and sales g ow h on
i m alue in Vie nam. Bo h a iables a e insigni i-
can a he 5% le el. I co obo a es he esul s o
A o a and Gill (2022). The Indian i m alue is i -
ele an o ixed asse s and changes in sales. Simi-
la ly, in Vie nam, he co ela ion coe icien s be-
ween FV and GRSale is close o ze o, a only -0.021
(see Table 4).
4.4. C oss-coun ies Compa a i e Analysis
To iden i y he unique cha ac e is ics o he Vie -
namese axa ion sys em, we unde ake a compa a-
i e analysis among se e al de eloping ma ke s in
he Associa ion o Sou heas Asian Na ions (ASE-
AN), including Indonesia, Malaysia, Singapo e,
Thailand, Philippines, Cambodia, Laos, and Vie -
nam. As shown in Table 7, he book- ax di e ence
a io o Vie nam is signi ican ly highe han o he
ASEAN coun ies, sugges ing he p e alence o
ax agg essi eness in Vie nam. Since he co po a e
ax a e in Vie nam is conside ably lowe han in
6 ou o 7 o he coun ies, i is no he key eason
o ax a oidance. In con as , h ee dis inc i e ea-
u es migh cause ax-agg essi e ac i i ies. Fi s ly,
he Vie namese ax se ice is a manual sys em o
epo ing axable income wi hou elec onic ax in-
oices. Fu he mo e, wi h he sel -assessmen sys-
em, axpaye s a e esponsible o es ima ing hei
axable sales and expenses. Due o his manual sel -
assessmen sys em, i is di icul o ax au ho i ies
o de e mine a co po a ion's income accu a ely.
Secondly, he quali y o Vie nam's ax policy o mu-
la ion and implemen a ion is inadequa e. Ta midi
e al. (2019) s a e ha Vie nam anks he second
lowes in e ms o egula o y quali y and anspa -
en ax egula ion. The concep s o e enue and
expense ecogni ion, in en o y alua ion me hods,
and dep ecia ion a e complica ed and inconsis en
among legal documen s. Las bu no leas , he i-
nancial s a emen s o Vie namese i ms a e no
based on he In e na ional Financial Repo ing
S anda d (IFRS). I acili a es he manipula ion o
inancial s a emen s o he ax-agg essi e pu pose.
5. Conclusions and Recommenda ions5. Conclusions and Recommenda ions
Gi en he con lic ing empi ical e idence ega d-
ing he alue-enhancing ole o ax agg essi eness
in de eloped ma ke s, he main aim o his s udy
is o examine he ela ionship be ween ax agg es-
si eness and ma ke alue in Vie nam, an impo an
eme ging ma ke wi h unique cha ac e is ics. The
da a sample includes nea ly 600 non- inancial lis ed
i ms be ween 2009 and 2023, esul ing in abou
7,500 i m-yea obse a ions. The a e age ax paid
a io is only 17.9%, while he s anda d s a u o y ax
a e is mo e han 20%. Fu he mo e, he a e age
book- ax di e ence a e is posi i e, highligh ing he
p e alence o ax-agg essi e ac i i ies in Vie nam.
As p e iously discussed, he dis inc cha ac e is ics
o Vie nam's ax sys em a e complex egula ions and
manual sel -assessmen ax se ices. I is di icul o
ax au ho i ies o accu a ely de e mine a co po a-
ion's income and hen es ima e i s axable income
o cu b co po a e ax agg essi eness in Vie nam.
Simila esul s a e documen ed in China (Xu, 2024)
and India (A o a & Gill, 2022). Bo h economies a e
in a ansi ion pe iod wi h impe ec ax collec ion
and adminis a ion sys ems, c ea ing condi ions o
ax agg essi eness. Recen ly, hey ha e enhanced ax
supe ision by imposing accoun ing and audi ing
policies as well as building online ax in as uc u e.
Reg ession analysis documen s ha ax agg es-
si eness nega i ely a ec s i m alue a he 1% le el.
This esul holds i espec i e o which a io we use
o measu e ax agg essi eness. On a e age, he ma -
ke capi aliza ion would decline by app oxima ely
0.13% when he e ec i e ax a e inc eases by 1%.
The ad e se e ec o co po a e ax agg essi eness
on Vie namese i m alues can be explained as
ollows: Fi s ly, inancial s a emen manipula ion
and p ice ixing a e ela i ely common in he Vie -
namese s ock ma ke . Due o he opaque na u e o
ax-agg essi e ac i i ies, manage s ha e a chance
o ex ac cash lows om he i m, educing i s
ma ke alue. Secondly, he a e age ax e enue o
eme ging economies is abou 17% o hei GDP,
compa ed o app oxima ely 35% in OECD coun-
ies (Panday e al., 2023). As an eme ging coun-
y, Vie nam ob ains low ax e enue, a only 15%
o GDP. The e o e, he epu a ional expenses con-
nec ed wi h ax-agg essi e ac i i ies ha e a mo e