1. Trang chủ
  2. » Luận Văn - Báo Cáo

Institutions and credit risk in banking system the case of emerging economies

33 6 0

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Tiêu đề Institutions and Credit Risk in Banking System: The Case of Emerging Economies
Tác giả Sudinh Thanh, Nguyen Phuc Canh
Trường học University of Economics HCMC
Thể loại thesis
Năm xuất bản 2013
Thành phố Ho Chi Minh City
Định dạng
Số trang 33
Dung lượng 109,24 KB

Các công cụ chuyển đổi và chỉnh sửa cho tài liệu này

Nội dung

PoliciesandSustainableEconomicDevelop ment |1InstitutionsandCreditRiskinBankingSys tem:TheCaseofEmergingEconomies SUDINHTHANHUniversityofEconomicsHCMC-dinhthanh@ueh.edu.vn NGUYENPHUCCANH

Trang 1

PoliciesandSustainableEconomicDevelop ment |1

InstitutionsandCreditRiskinBankingSys tem:TheCaseofEmergingEconomies

SUDINHTHANHUniversityofEconomicsHCMC-dinhthanh@ueh.edu.vn

NGUYENPHUCCANHUniversityofEconomicsHCMC- canhnguyen@ueh.edu.vn

Abstract

Theextantliteraturehasdocumentedthedeterminantsofbankcreditrisk,butdoesnot paymuchattentiontoinstitutions.Thisstudyfillsthisgapbyinvestigatingtheeffectsofins titutionsonbankcreditrisk.Ourdatacovers33emergingeconomiesovertheperiodof200 2-

2013.ApplyingsystemGMMestimatorforunbalancedpaneldata,thestudyfindsintrigui ngfindings.Givencreditsupply,theeffectsofbankliquidityandbankprofitabilityareneg ative,whiletheeffectsofbankcapitalandbanksizeandbankconcentrationaresignifican tlypositive.Ontheotherhand,intermsof creditdemandtheeffectofrealG D P grow th r ateisnegative.Ourmainfindingisthatinstitutionshavenegativeeffectsonbankcreditri sk.Particularly,inthepresentofinstitutions,theinteractioneffectsofbankliquidity,bank capitalandbanksize,bankprofitability,andrealG D P growthratearestrengthened.The seresultsimplythatimprovementsininstitutionsaresignificantforcontroloverbankcre ditriskinemergingcountries.

Keywords:institution;bankingsystem;creditrisk; emergingeconomies

Trang 2

1 Introduction

Therehasbeenagrowingliteratureon determinantsofbankc re dit riskin the

re c e nt years,e s p e c i a l l y sincethe2008globalfinancial crisis.Severalstudiesblamethecrisisonexcessiverisktakingo f bankingsystem(Agnello& Sousa,2012;Hoque,Andriosopoulos,Andriosopoulos,& Douady,2015).Adeepunderstandingofcreditriskdeterminantsiscrucialimportancefortheproperevaluationofbankingsystemriskandhasadirectlinkwiththedevelopmentofsuitableregulationandprudentialtools

Infact,therearenumerousworksfocusingonthe

determinantsofcreditriskinbanking

systemi n c l u d i n g microeconomicfactorssuchasbankliquidity,bankcapital,banksize,bankcompetition,c r e d i t derivatives,internalratingsystems,collateral,relationshipbetweenlenderandcustomer(e.g.,I m b i e r o w i c z &Rauch,2014;Agarwalet al.,2016;DeLiset al.,2001;Mandalae t al.,2012);andm a c r o

e c o n o m i c factorssuchasinflation,unemployment,houseprice,creditcycles,businesscycle,andeconomicgrowth(e.g.,Hoqueetal.,2015;Castro,2013;

Chen,

2007;Jiménezetal.,2005;Tajike t al.,2015;Marcucci&Quagliariello,2009;Jiménezetal.,2005)

Thecreditactivitiesofbankingsystemarethefunctionoftheasymmetricinformationproblem(Lindsetetal.,2014;Miller,2015;Neyer,2004).Thisproblemmay

bereduced ifthe institutionofacountryisimproved.Thequalityofinstitutionandfinancialregulationaredefinitelydeterminantso f bankc r e d i t r i s k sincetheimprovementsi n institutionandfi n a n c i a l regulationr e d u c e theasymmetricinformationproblems,thusinducebankingsystemtoprovidebankloanswithbetterquality.Ontheotherha

nd,financialinsuranceregulationmaystimulatebanksintakingmorerisks.Indeed,theroleofpublicinstitutionsorpublicgovernanceinreduc ing theoverallriskinthee c o n o m y isexploredinseveralstudies(Cohenetal.,1983;DalBó&Rossi,2007;Duttaetal.,2013;Ho&Michaely,1988;Williamson,1981).However,notmuchisknownaboutpublicinstitutionsindeterminingc r e d i t r i s k i

n bankingsystemi n e m e r g i n g countries.I n addition,thea s s o c i a t i o n s betweenpublicinstitutionsandotherdeterminantsofcreditrisksuchasbankcapital,bankliquidity,banksize,bankcompetition,andeconomicgrowthareignored.Therefore,thisstudygoestofillthisgapbyinvestigatingtheeffectsofpublicinstitutionsandtheassociationsbetweenthemwithbankcharacteristicsincludingbankcapital,bankliquidity,banksize,andbankcompetition,whichreflectthedeterminantsofbankcreditsupply,onbankcreditrisk.Thispaperisnotthefirsttoexplorethedeterminantsofcreditriskinbankingsystem,butitisinnovativei n severalways

First,thisisthefirststudyusingthreedimensionsofpublicinstitutionsincludingg

overnmenteffectiveness,regulatoryquality,andruleoflawtoinvestigatetheeffectsofinstitutionalqualityoncreditriskinbankingsysteminemergingcountries

Second,weuseinteractiontermsbetweeneachinstitutionalindicatorandbankcr

editsupply

factorsinordertoexaminetheeffectofc r e d i t supply’sdeterminantsonbankcreditriskwheninstitutionsarepresent.Inaddition,weuseinteractiontermsbetweeneachinstitutionalindicatorandrealeconomicgrowthinordertoexaminetheeff

present.Thesemethodologiesensure

Trang 3

thatourmodelcatchesallthema in driversofc re dit activitiesre la ting toc redit riskin bankingsystem.

Withthesestrategies,webelievethatourstudyhassignificantcontributiontobothscholarandpractice.Infact,ourempiricalresultsshowthatinstitutionalqualityhassignificantnegativeeffecto n creditriskinbankingsystem,indicatingthatimprovementsininstitutions(suchas

governmenteffectiveness,ruleoflaw,andregulatoryquality)havegoodeffectsonbankingsystemstabilityandr e d u c i n g systematicrisk.Thisresulthasstrongcontributiontotheliteratureofinstitution,wheretheinstitutionalqualityimpactsnotonlyoneconomicgrowth(e.g.,Acemoglu&Robinson,2008;D o l l a r

&Kraay,2003;Fatás&Mihov,2005),butalsoonthestabilizationoffinancialmarket.Mostnotably,wefind thatimprovementsingovernmenteffectivenessandruleoflawinlinewiththehigherofliquidity,capital,size,competition,andlowerofprofitabilityinbankingsystemincreasebankcreditrisk.Theinteractiontermsbetweenregulatoryqualitywithbankcreditsupplycharacteristicshavesameeffectsasgovernmenteffectivenessandruleoflawexcludingtheprofitabilityandcompetitioninbankingsystem,whichhaveoppositeimpactsonbankcreditrisk.Moreprecisely,w e fi n d thattheinteractiontermsbetweenimprovementsi n institutionsw i t h e c o n o m i c growthincreasebankcreditrisk.Thisresultsshowtherisk-

takingactivitiesofbankingsystemwithhigherliquidity,capital,size,competition,andlowerprofitabilityinemergingeconomiesi n thecaseofbettergovernmenteffectivenessandruleoflaw.Betterregulationsalsosimulatebankstakingmorerisksexcluding

bankingsystemwithlowerprofitabilityandhighercompetition,whichmeansthatbetterregulationshelpbankingsystemmorestabilizationandmoresafety

Therestofthepaperproceedsasfollowingmanner.Section2reviewsrelatedbankcreditriskdeterminantsthroughthedriversofcreditdemandandcreditsupply.Section3introducesmethodologyanddata.S e c t i o n 4 presentsourempiricalevidencesf r o m threedimensionso f institutionsincludinggovernmenteffectiveness,ruleoflaw,andregulatoryquality.Finalsectionc o n c l u d e s

2 Literaturereview

Manypreviousempiricalstudiesanalyzedeterminantso f bankc r e d i t r i s k o rnonperformingloans,includingmacroeconomicfactorsandspecificbankingsectorcharacteristics(Castro,2013).Thebankcreditriskisgenerallydefinedastheriskthataloanisnotbeingpaidbyborrowerstobankpartiallyortotally.Theanalysisofbankcreditriskdeterminantsinbankingsystemisessentialforpolicymakerssinceitprovidesearlyalarmsformacroeconomicmanagementinfrontofshocksandpreventingfi n a n c i a l systemf r o m a possiblec r i s i s (Agnelloe t al.,2011;Agnello& Sousa,2012;Beltratti&Stulz,2012)

Intheliterature,bankcreditriskisdividedintosystematiccreditriskandunsystematiccreditrisk(e.g.,Ahmad&Ariff,2007;Aver,2008;Fryeetal.,2000;Dietsch&Petey,2002).Thedriversofsystematiccreditriskinclude:

(i)macroeconomicfactorssuchasunemployment,economicgrowth,

Trang 4

changesineconomicpoliciessuchasmonetarypolicy,fiscalpolicy,e c o n o m i clegislationchanges,ortradepolicy,

(iii)andpoliticalchanges.Thesefactorsmayinfluencetheprobabilityofborrower

spayingtheirloans.Forinstance,Aver(2008)findsthatemployment,long-terminterestrates,andthe

valueofstockmarkethaveimportantimpactsoncreditriskoftheS l o v e n i a n bankingloanportfolio.Kattai(2010)andFainsteinandNovikov(2011)showthatbankingsystemshighlighttheimportanceofeconomicgrowthinEstonia,Latvia,andLithuania.SalasandS a u r i n a (2002)andJakubík(2007)alsopointoutthatGDPgrowthandinterestratesarethemainm a c r o e c o n o m i c factorsaffectingbankcreditriskfortheSpanishandCzech,respectively

borrowerrelationship,andtheeffectso f characteristicso f theborrowersando ftheloano n bankc r e d i t r i s k Theyfi n d thatc o l l a t e r a l i z e d loanshaveahigherprobabilityofdefault,andthatwhileloansgrantedbysavingsbanksareriskier,a c l o s e bank-

borrowerrelationshipi n c r e a s e s thewillingnessf o r r i s k

-t a k i n g behaviorofbanks

Nevertheless,thereisamultitudeofempiricalstudieslookingatmaindriversofbankcreditriskandhighlightingthatm a c r o e c o n o m i c andmicroeconomicv a

r i a b l e s shouldbei n c l u d e d intotheanalysisduetotheirconsiderableinfluence.Thevastmajorityoftheseempiricalworksconsiderthem a c r o e c o n o m i c andmicroeconomicfactorsasthemostimportantdriversinthedeterminantsofbankc r e d i t r i s k basedo n a singlecountryanalysis.S o m e providea m u l t i -

c o u n t r y c o m p a r a t i v e analysiswithoutconcerningtotheeffectsofinstitutionanditsassociationswithmicroeconomicfactorsandmacroeconomicfactors.I nthisstudy,w e i n s p e c t thedeterminantso f c r e d i t riski n bankingsystemundertheaspectsofcreditsupplyandcreditdemandfactorstobetterunderstandingtheinfluenceofinstitutiononcreditfunctionandrisk-

takingbehaviorofoverallbankingsystem

Theinstitutionofacountrywhichisdefinedastherulesofthegameinasociety(North,1990),

includesthreefeatures:

(i)“humanlydevised”whichcontrastswithothereconomicfundamentals;

(ii)“therulesofthegame”toset“constraints”onhumanbehavior;and(iii)theirmajoreffectwillbethroughincentives(seeNorth,1981;Acemoglu&Robinson,20

Trang 5

08).Severalworkshavestudiestheeffectso f institution,whichi s n a m e d asthen

e w institutionale c o n o m i c s , buttheeffectso f institutiononcreditriskinbankingsystemarestillignored.Therefore,wetrytobuildourargumentstoexplainforthisissuebyfourdirections

Trang 6

cescreditriskinbankingsystem.Intheliteratureofeconomicgrowth,institutionisconsideredthedifferencesinresidualsofeconomicgrowth.Previousstudiesagreethatbetterinstitutionalqualityispositivelyandsignificantlycorrelatedwithecono

micgrowth(Young&Sheehan,2014).Forinstance,Djankovetal.(2002)fi n d s thatthelowercosto f o p e n i n g a medium-

sizebusinessintheUnitedStatesinc o m p a r i s o n

w i t h Nigeria,Kenya,Ecuador,andDominicanRepublicishighlycorrelatedwithe

c o n o m i c growth.Meanwhile,B e e k m a n e t al.( 2 0 1 4 ) fi n d thatcorruptionreducesincentiveso f individualsinbothvoluntarycontributionsandinvestmentsinLiberia,andthusimpactsone c o n o m i c growth.Therefore,betterinstitutionalqualitywillbeinlinewithhighereconomicgrowthandhenceimprovingthefinancialsituationofborrowersandreducingcreditriskinb

ankingsystem

Second,betterinstitutionalqualityreducesasymmetricinformationproblems(

Cohenetal.,1983;Ho&Michaely,1988; Willia ms on, 1981) ; hence,banksw il

l belessprobabilityofm a k in g wrong decisionsinlendingtobadborrowers

Third,betterinstitutionalqualityreducesoverallriskintheeconomy(Cohene

tal.,1983;Ho&Michaely,1988;Williamson,1981),therebyinducingalowersystematicriskandreducingcreditrisko f bankcreditportfolio.In

fact,betterinstitutionalqualityhelpseconomicagentsmoretrustableinbusinesstransactions.Thus,institutionalquality

positivelyimpactstheefficiencyofbusinesses(DalB ó &Rossi,2007),andmitigatessystematicriskinoveralleconomy.Duttaetal

(2013)find thatworsecorruptionsituationleadstohighinequality,poverty,andemploymentandthus underminestheeffectivenessofeconomicgrowthinIndia

Four,betterinstitutionalqualityreducestransactioncostineconomicactiviti

esingeneralandc r e d i t activitiesinparticularly.Asaresult,betterinstitutionalqualityinduceshigherefficiency ofc r e d i t activitiesandbettercontrolofcreditriskinbankingsystem

Althoughthe viewsofsystematicand unsystematiccreditriskdominateintheliteratureofbankc r e d i t r i s k , w e c a n examinethedeterminantso f c r e d i t r i

s k i n bankingsystemu n d e r thebasicdeterminantsondemandandsupplysidesofcreditfunction.Theapproachofthesystematicandunsystematiccreditriskissuitableforbanklevelstudiesduetodefiningfactorsrelatingtosystematico r unsystematicrisk,buttheapproachofdeterminingthedriversofcreditriskfromtheviewsofsupplyanddemandsideincreditfunctionisbetteratthebankingsystemlevelorcountrylevel,sincei t iseasytodefinethedriversofcreditriskintheoverallbankingsystem

Intheliterature,thefunctionofcreditisimpactedbysupplyanddemandsidefactors.Onthedemandside,i n c o m e levelandgrowthr a t e o f GDPperc a p i t a ar

em a i n determinantso f c r e d i t demand(Backé&Wójcik,2008).Forinstance,Duprey(2012)usesrealGDPgrowthinexplainingthedifferentpatternofbankbehaviorsovermacroeconomicfluctuationsat459publicbanksin93countries.Similarly,ElekdagandHan(2015)findthatdomesticfactorssuchaseconomicgrowthandmonetarypolicyshocksaremoredominantthanexternalfactorsindrivingrapidcreditgrowthinemergingAsia

Trang 7

PoliciesandSustainableEconomicDevelop ment |7

Indeed,economicgrowthincreasestheexpectedincomeandprofitinlinewithbetterfinancialconditionsofprivatesector,thusallowingforhigherlevelsofindebtedness(Kiss,etal.,2006),whilehouseholdsmaywanttoincrease debtlevelstosmoothconsumption in currenttimesincetheyexpecthigherincomeinthefuture(Backé&Wójcik,2008).Inaddition,highereconomicgrowthi n c r e a

s e s thedisposableincomeofpeopleandthusstimulatestheminconsumptionandinvestment.F i r m s arealsoinduc e d toexpandtheiroperations toca tc hup

with increasingdemand,therebystimulatingtheinc re as e d credit demand.Even thoughtheprofi t offirmsmaybehigherduetoe c o n o m i c growth,thusstimulatingthemtorelymoreoninternalfundsinsteadofbankloans(Kisse t al.,2006),thiseffectmaybenotstrongasthepositiveeffectsofeconomicgrowthoncreditde

mandi n developingoremergingeconomiessincehigheconomicgrowthneedsa

bundleofcapital

Accordingly,fluctuationsineconomicgrowthdefinitelychangecreditdemandandthen,inturn,i m p a c t oncreditriskinbankingsystem,whichexplainstherelationbetweencreditriskandbusinesscycle(Marcucci& Quagliariello,2009).For example,us ing laggedpercentagechangeinG DP toexplainforthebankingcrisisintheNordiccountriesintheperiodof1980s-

1990s,Pesola(2001)fi n d s thattheshortfallsofGDPgrowthbelowforecastcontributetotheirbankingcrises.SalasandS a u r i n a (2002)finds thattheGDPgrowthrateinlinewithothermicroeconomic factorssuchasfi r m s , andfamilyindebtedness,rapidpastcreditorbranchexpansion,inefficiency,portfoliocomposition,size,netinterestmargin,capitalratio,andmarketpoweraredriversofcreditriskinS p a n i s h c o m m e r c i a l andsavingsbanksi n thep e r i o d 1985-

1997.MeyerandYeager(2001)andGambera(2000)find thatmacroeconomi

cvariablesaregoodpredictorsforthenon-performing loansintheUS.MarcucciandQuagliariello(2008)usedatafromItalianbanksandfind thatthec r e d i t riskisincreasedineconomicdownturns.Similarly,Hoggarthetal.(2005)providethesameevidenceforthecaseoftheUK

Therearesomepossibleexplanationstothecyclicalityofcreditrisksuchasdisastermyopia,over-

optimism,herdbehaviors,andinsufficientm a r k e t disciplines(Marcucci& Quagliariello,2008).MarcucciandQuagliariello(2008)verifythecyclicalityofcreditriskfromthefollowingperspectives:

(i)e c o n o m i c growthincreasesthep r o fi t o f fi r m , w h i c h r a i s e s a s s e t p r

i c e s r i s e a n d customers’expectationsatthebeginningofexpansionaryphaseandthenincreasesaggregatedemand.Asaresult,theincreasingofaggregat

edemandinducesarapidgrowthinbankcreditportfolioandine c o n o m y ' s indebtedness,wherebanksusuallyunderestimatetheirr is k exposureandre la x theirc r e d i t standardsduetoo v e r -

quacydeteriorateconsequentlyascyclicality

Trang 8

optimism,herdbehaviors,andinsufficientmarketdisciplines,whichdependmuchoninstitutionalenvironmentofacountry.Sincebetterinstitutionalqualityreducesasymmetricinformationproblems,transactioncost,andrisk,whileimprovingtheefficiencyofassetallocations,andpropertyrightprotection(Cohenetal.,1983;Ho&Michaely,1988;Williamson,1981),betterinstitutioni n association

w i t h highere c o n o m i c growthm a y stretchcyclicalityo f c r e d i t r i s k i n bankingsystemundertheimpactofrisk-takingbehaviorofbanks

Theliteratureofbankingactivitieshaveconcludedthattherearemanydeterminantsofbankrisk-

takingbehaviorsuchascapitalrequirement,banksize,bankleverageandfinancialliberalization(Ashrafetal.,2016;Bhagatetal.,2015;Blaško&SinkeyJr.,2006;Borio&Zhu,2012;Cubillas&G o n z á l e z , 2014;Efingetal.,2015;Gallowayetal.,1997;García-Marco&Robles-Fernández,2008).Ashrafetal

(2016)find

strongevidencethatbankrisk-takingissignificantlyhigherincountries,whichhavehighindividualism,lowuncertaintyavoidance,andlowpowerdistanceculturalvalues.B u c h andDeLong(2008)examinecross-

borderbankmergersandfindthatthesupervisorys t r u c t u r e s ofthepartners’countriesinfluence changesinpost-

mergertotalriskandstronghostregulatorslimitingtheriskyactivitiesoftheirlocalbanks

Asasummary,thehighereconomicgrowthmakesbothpeopleandbanksmoreconfidenceandm o r e optimistic,whilebetterinstitutionalqualitybooststhisconfidenceandoptimistichigherduetobetterqualityofgovernment,regulation,lawsystem,propertyrightprotection,andalsoreducescorruptionproblem,thereforebanksmaytakeriskieractivitiesintheircreditportfolio.Therefore,w e arguethatbetterinstitutionalqualityinlinewithhighereconomicgrowthwillsimulaterisk-

takingactivitiesofbanks,henceincreasingthecreditriskofoverallbankingsystem

Onthesupplyside,banksareassumedtomakedecisionsontheircreditportfoliosdependingonallavailableinformationandtheirinternalfinancialconditionssuchascapital,liquidity,profitability,assets,thereforetheseinternalcharacteristicsofbankshavestrongimpactsoncreditrisk.Theextentliteraturehasexaminedthedriversofcreditsupplyofbanks(Auel&deMendonça,2011;Aysun,2016;B h a u m

i k e t al.,2011;Ciccarellie t al.,2015;Liu& Tallada,2015;Yagihashi,2011).MarcucciandQuagliariello(2008),forinstance,documentthatbanksmayreactstrongertoexternalshockssuchasrecessionineconomybycuttingtheircreditsupplyhigheriftheyf a c e toconstraintssuchascapitalintheirbalancesheet.While,BernankeandGertler(1995)arguethatbankscanadjusttheircreditsupplyinrespondingwithexternalshockssuchasacontractionaryo r expansionarymonetarypolicy,whereacontractionarymonetarypolicyleadstoadecreasinginavailablefundsuchasdepositsorotherfunds,andthusbanks

Minford,2014;Ramos-havetoreducetheircreditportfolio.Many empirical studiesshowthat banksmaynotresponsetoexternalshocksinthe

takingactivitiesbyincreasingtheircreditsupplydespitecontractionarymoneta

Trang 9

lineofwhattheauthorizerswantinsomecases.Forinstance,banksmaydorisk-rypolicy(Angelonietal.,2015;Buchetal.,2014;deMoraesetal.,2016;DellʼAricciaetal.,2014;García-Kuhnertetal.,2015;Montes&Peixoto,2014).

Trang 10

PoliciesandSustainableEconomicDevelo

Particularly,studiesoncreditchannelarguethattheactionsofbanksintheircreditportfoliodependo n theirinternalconditionsincludingcapital,liquidity,size,profitability,andcompetitiononbankingsector

(Aiyaretal.,2016;Aysun,2016;Gunji&Yuan,2010;Imbierowicz&Rauch,2014;Khanetal.,2016;Leon,2015;Yang&Shao,2016)

Thereisusuallyanadequate requirementintheminimumcapitalratiothat

everybankneedstomeet.Whenever,thereisanexternalshocksuchasadownturnineconomicgrowthoracontractionarymonetarypolicy,banksw i t h lowerc a p i t a l buffersabovetheminimumc a p i t a l requirementwillreducetheircreditsupplymuchmore(Bliss&Kaufman,2002).Iffirms cannotsubstitutebankloansbyothersources,theymayfacetoinsufficientfundingfortheirinvestmentprojects,andinturn,increasingthecreditriskofbanks.Hence,bankswithhighercapitalwillbelessc r e d

i t risk.But,bankswithlowercapitalratiohavetoraiseadditionalcapitalbeforeexpan

dingcreditto bindrisk-based capitalrequirement, thustheymayoptimallyforgoprofitable loanstoreducether i s k offuturecapital

inadequacy(Vanden Heuvel,2002).Asaresult,theymaychoosetorejectbadprojectsforlendingtoreducecreditrisk.KonishiandYasuda(2004)

findthattheimplementationo f thecapitaladequacyrequirementreducesrisktakingatJapanesecommercialbanks,whilebanksw i t h highercapitalratiomaytakeriskieractivitiesforhigherprofits,leadingt

oincreasingcreditrisk.Theliquidityisalsoveryimportantforbankingsystemduetotheriskofbankruptc

y(Diamond

&Rajan,1999; Gatevetal.,2009;Imbierowicz &Rauch,2014).Infact,bankshavetoconsidertheirliquiditysituationwhentheymakecreditdecisions.Bankswithhigherliquiditymaybemoreflexiblei n supplyingtheirc re di t p o r

t f o l i o , thustheyarebetterm a n a g e m e n t theirc r e d i t r is k However,higherliquiditymaysimulatebankstakingriskintheircreditactivitiessuchasthestudiesofNguyenandBoateng(2013) andNguyenetal.(2015)

Thesizeofbankisusuallymentionedasthemaindriverofcreditrisk(Demsetz&Strahan,1997;K i s h a n &Opiela,2000).Atbanklevel,largerbankshavehighermarketpowerandthustheyhavehigheradvantagesinmanagingtheircreditportfolio,whilesmallerbanksmaytakeriskduetolowerm a r k e t share.However,largerbanksmaybeimpactedbythetheory“toobigtofail”(O'hara&Shaw,1990;Papachristos,2011);thus,theytakemorerisk-

takingactivitiesthansmalleronesandhavehighercreditrisk(Bhagatetal.,2015;Chenetal.,2015;Hakenes&Schnabel,2011;Stever,2007).Atcountrylevel,largerbankingsystemmeasuringundertherelativesizeofassetsinbankingsystemw

i t h GDPdefinesthehigherdominationofbanksinfinancialsystemandthemoreimportanceoftheirroleintheeconomy,whichcreatesmoreincentivesforbanksintakingriskduetothehigherprobabilityofgovernmentininterveningwhenevertheyfacetofinancialdistresstoprotectpeoplef r o m p a n i c astheoryof“toobigto fail”

Atthelastcharacteristicmentionedinourarguments,theprofitabilityofbanksmeasuredbyr e t u r n onassetorreturnonequitymayhavegoodnessonbankcreditrisk.Thehigherprofitabilityo f banksmakesthemmoreflexibleinmanagingtheircreditportfolio,andalsoreducepressuresin

Trang 11

takingactivitiesw i l l belimited.

expandingcredittooquicksothattheprobabilityofwrongcreditdecisionsorrisk-Thecompetitioninbankingsectorhasstrongimpactsonbankchoicesandthusithasimpactsonbankc re dit ris kthroughtheeffectson bankris k-

ta king behaviors.Alargeamountofliteraturearguesthathighercompetitionmakesbankstakemorerisktoaimatgettinghighermarketshare(Agorakietal.,2011;Boyd&DeNicolo,2005;Jiménezetal.,2013).Houetal

(2014),forexample,fi n d thatintensem a r k e t competitionc o m p e l s Chines

ec o m m e r c i a l bankst o developadvancedtechnicalexperienceandskills,thusimprovingtheirtechnicalefficiencyandthenthetechnicale ffi c i e n c y ispositiveassociatedwiththerisktaking

However,countrieswithafewoflargebanksdominatedreducecompetitivepressuresbetweenbanks.Whenlargebankshavemoreconfidence intakingriskandthusauthorizershavetomakesuretheyaresafe(Boyd&DeNicolo,2005;Hakenes&Schnabel,2010;Jiménezetal.,2013;Wagner,2010).MatutesandVives(2000)studythelinksbetweencompetitionfordepositsandrisktakingincentives,andconcludethatthewelfareperformanceofthemarketandtheappropriatenessofalternativeregulatorymeasuresdependonthedegreeofrivalryandthedepositinsuranceregime

Asasummary,bank’sinternalconditionssucha s liquidity,capital,size,profitability,andcompetitionwithinbankingsectorhavestrongimpactsoncreditriskthroughcreditactivities.Creditactivitiestrulydependonbank’smanagerexpectationsandfinancialbehaviors.Theexpectationsarebuiltfromtheavailableinformationthatisfacedtotheproblemofasymmetricinformation,whilethefinancialbehaviorsofbanksmanagersareimpactedbythemacroeconomicinstitutionsuchasregulationsandlawsystem.Therefore,institutiondefinitelyhasassociationswiththesedriversofbankcreditrisk.Chenetal.(2015)usebank-

leveldatafrommorethan1200banksin35emerginge c o n o m i e s duringtheperiod2000-2012andfindthattheimpactofmonetarypolicyonbanks'risk-

takingbehaviorismorepronouncedwiththeincreasingseverityofcorruption.daSilvaandDivino(2013)usedatafortheBrazilianeconomyintheperiodfrom1995t

pro-cyclicalanddefaultriskdependsonstructuralfeatures

Inthefirstviewofassociationsbetweeninstitution withbankcharacteristicsandbanking

sectorcompetition,betterinstitutioninlinewithhighercapital,higherliquidity,biggersize,lowerprofitability,andlowercompetitionmaystimulatebankingsystemintakingmoreriskduetolowerasymmetricinformationproblems,transactioncost,andoverallriskintheeconomy

However,thedifferenceaspectso f institutionincludinggovernmente ff e c t i

v e n e s s , regulationquality,andruleo f lawm a y havedifferenceimpacts.S i n c

e governmente ff e c t i v e n e s s reflectsperceptionsofthequalityofpublicservicesandcivilservice,andthedegreeofitsindependencefrompoliticalpressuresinpolicyformulationandimplementation,andthecredibilityofthegovernment'scommitmenttosuchpolicies,sobettergovernmenteffectivenessmaystimulaterisk-

takingbehaviori n bankingsystemduetobetterpublicservicesandthuslowertransactioncostandbetterconditionsf o r thegrowthinprivatesector.Regulatoryqualityreflectsperceptionsoftheabilityofthe

Trang 12

development,thusbetterregulatoryqualitymayinducesomerisk-takingactivitiesofbetterbanksduetothelessharmfulofpoliciesfrompoliticalpressuressothatthe“toobigtofail”m a y belessimpactsonbank’smanagers.Meanwhile,ruleoflawreflectsperceptionsoftheextenttowhichagentshaveconfidenceinandabidebytherulesofsociety,andinparticularthequalityofc o n t r a c tenforcement,propertyrights,andthepolice,thereforebankshavemorecommitmentincontractagreementandthepropertyrightsprotectionsthustheymaytakeriskmore

3 Methodologyanddata

3.1 Methodology

Thissectionpresentsourmethodologyinestimatingtheeffectsofinstitutionanditsassociationsw i t h bankcharacteristicsandbankingsectorcompetitionthroughthreestepprocedures.First,weu s e thepercentagechangei n governmenteffectivenessi n d i c a t o r s f r o m theW o r l d G o v e r n a n c e i n d i c a t o r s toproxyforthechangeininstitutionalqualityasfollowingformula:

(1)Sinceinstitutionalqualityindic a tors arescaledfrom-

2.5to+2.5f o r ea c h indicator,thusw e standardizethesei n d i c a t o r s bycalculatingthepercentagechangeo f e a c h i n d i c a t o r f o r bettermeasuringchangesininstitutionalquality.Thisproxyofchangesininstitutionalqualityisusedtoevaluatetheimpactsofinstitutiononcreditriskinbankingsystemin33emergingcountries3fr om2002to2013throughthefollowingmodification

tionsof variablesare presentedinTable1

3 List

ofemergingeconomies:Brazil,Bulgaria,Chile,Colombia,China,CzechRepublic,EgyptArabRep.,Estonia,Greece,Hu ngary,India,Indonesia,Latvia,Lithuania,Malaysia,Mexico,Morocco,Nigeria,Oman,Pakistan,P e r u , Philippines,P

Trang 13

oland,Romania,RussianFederation,Slovenia,SouthAfrica,KoreaRep.,Thailand,Turkey,Ukraine,VenezuelaRB,and Vietnam.

Trang 14

Variable Definition Source

Calculatio Reguqua PercentagechangeinRegulatoryqualityindicator(%)

(2012),andAltunbase t al

(2010).Alltheexplanatoryarelaggedtocapturedatacharacteristic,wheretheyear-

enddatatobankcharacteristicsandbankcompetitionwillhaveimpactsonbank’smanagerdecisionsinfollowingyear.TherealGDPgrowthr a t e ofthisyearwillimpactontheexpectationofpeopleinthefuture,andthusimpactsonthenextyearcreditdemand

Afterexaminingtheimpactsofchangesingovernmenteffectivenessoncreditriskinbankingsystem,weuseinteractiontermsbetweeninstitutionsandthefactorsofcreditdemandsideandc r e d i t supplysidetoevaluateinteractioneffectsoncreditriskinbankingsystem.Inwhich,weadde a c h interactiontermonebyoneintoourestimationstotesttheconsistenceofourresults,whichisprovedfortherobustnessofourfindings.Thisisthesecondstepinourstudy

Then,inthethirdstep,weusechangesinruleoflaw(Rulelaw)andregulatoryqual ity(Reguqua),respectivelytoreplaceforthegovernmenteffectivenessandreplic

atealltestproceduresasmentionedabove.Withthisstrategy,webelieveourstudyisrobustnessintestingtheimpactsofinstitutionsandinteractionstermsbetweeninstitutionsandthedriversofdemandandsupplyonc r e d i t risk.WeusethesystemGMMestimatorsfollowingthestudyofArellanoandBond(1991),ArellanoandBover(1995),extendedbyBlundellandBond(1998)

andBlundellandBond(1998)foradvantageofaddressingthebiasassociatedwiththefixedeffectsinshortpanelsandsolvingtheproblemofendogeneityindynamicpaneldata,whichissuitableforthisstudyduetotheendogeneityemergingfromtherelationshipbetweencreditriskwithotherbankcharacteristicssuchasbankliquidity,bankprofitability,orbankcapital

Trang 15

3.2 Data

Dataforthisstudyi s collectedf r o m WorldB a n k w i t h threedatabasesi n c l u

d i n g theGlobalFinancialDevelopmentDatabase,WorldDevelopmentIndicators,andWorldGovernanceIndicators.Thedataisyearlyfor33emergingeconomiesovertheperiodof2002-

2013withsomemissingv a l u e duetotheavailableofdatainWorldBank’sdatabase,thusunbalancepaneldataisusedforthisstudy.Fortunately,theproblemofbiasestimatorsinunbalancedpaneldataissolvedbythesystemGMMestimators.AlldatadescriptionandcorrelationmatrixarepresentedinTables2and

0.287*

**

0.000

0.214

Trang 16

0.6855**

* -

0.5804**

* -

0.6138**

* -

0.6248**

* -

0.6101*

** -

-(Goveff*Bankcon)

(-1)

0.0295* -0.0246**

Ngày đăng: 21/10/2022, 22:06

TỪ KHÓA LIÊN QUAN

TÀI LIỆU CÙNG NGƯỜI DÙNG

TÀI LIỆU LIÊN QUAN

🧩 Sản phẩm bạn có thể quan tâm

w