Globalization and Emerging Markets With or Without Crash
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GlobalizationandEmergingMarkets:WithorWithoutCrash?
ByPHILIPPEMARTINANDH´EL`ENEREY*
Weanalyzetheeffectsoffinancialandtradeglobalizationonthelikelihoodof
financialcrashesinemergingmarkets.Whiletradeglobalizationalwaysmakes
crasheslesslikely,financialglobalizationmaymakethemmorelikely,especially
whentradecostsarehigh.Pessimisticexpectationscanbeself-fulfillingandleadto
acollapseindemandforgoodsandassets.Suchacrashcomeswithacurrent
accountreversalanddropsinincomeandinvestment.Lower-incomecountriesare
morepronetosuchdemand-basedfinancialcrises.Aquantitativeevaluationshows
ourmodelisconsistentwiththemainstylizedfactsoffinancialcrashesinemerging
markets.(JELF12,F32,F37,F41,O16)
Doemergingmarketsreapthebenefitsof
financialglobalization,enjoyingincreasedin-
vestmentandabetterabilitytodiversifyrisk?
Ordotheyfaceahigherlikelihoodoffinancial
crashasmorecapitalflowsin?Theempirical
literaturesupportsbothpossibilities.Ontheone
hand,anumberofpapersinfinanceshowthat
financialopeninginemergingmarketsleadsto
adecreaseinthecostofequitycapitalandcan
haveapositiveeffectondomesticinvestment.1
Ontheotherhand,avoluminousliteraturesur-
veyedbyJoshuaAizenman(2004)emphasizes
therisksofliberalizationandthevulnerabilityofemergingmarketfinancialsystemstocapital
mobility.CharlesWyplosz(2001)findsthatex-
ternalfinancialliberalizationisconsiderably
moredestabilizingindevelopingcountriesthan
indevelopedeconomies.GracielaKaminski
andSergioSchmukler(2001)showthatstock
marketsbecomemorevolatileinthethreeyears
followingfinancialliberalizationbutstabilizein
thelongerrun.
Interestingly,recentempiricalworkshows
thatgoodstradeopennessalsoinfluencesthe
frequencyofcrashesinemergingmarkets,but
intheoppositedirectiontofinancialopenness.
EduardoA.CavalloandJeffreyA.Frankel
(2004)findthattradeopenness(instrumented
bygravityvariables)reducesthevulnerability
ofcountriestosuddenstops.TheArgentinaof
the1990sisoftenpresentedasatypicalexam-
pleofafinanciallyopeneconomyrelatively
closedtogoodstrade.Ithassufferedheavily
fromsuddenstops(seeGuillermoA.Calvoet
al.,2003;CalvoandErnestoTalvi,2004).
Thesecontradictoryeffectsoffinancialand
tradeglobalizationsareillustratedinTable1.
Wereporttheaveragenumberoffinancial
crashesperyearfordevelopedandemerging
economies,dividingeachgroupalongthedi-
mensionsoffinancialandtradeopenness.2*Martin:UniversityofParis1Panthe´onSorbonneEconomie,ParisSchoolofEconomics,106-112bddel’Hoˆpital,75647ParisCedex13,France,andCentreforEconomicPolicyResearch(CEPR)(e-mail:philippe.martin@univ.paris1.fr);Rey:DepartmentofEconomicsandWoodrowWilsonSchool,307FisherHall,PrincetonUni-versity,Princeton,NJ08544,CEPR,andNationalBureauofEconomicResearch(e-mail:hrey@princeton.edu).Wethanktwoanonymousrefereesforveryhelpfulcommentsonapreviousversion,DanielCohen,Pierre-OlivierGourin-chas,GeneGrossman,GalinaHale,OlivierJeanne,EnriqueMendoza,RichardPortes,LarsSvensson,AaronTornell,aswellasparticipantsatmanyseminars.WealsothankGra-cielaKaminskyandSergioSchmuklerforthestockmarketdata.RachelPolimeniprovidedexcellentresearchassis-tance.ThispaperispartofaResearchTrainingNetworkon“TheAnalysisofInternationalCapitalMarkets:Under-standingEurope’sRoleintheGlobalEconomy,”fundedbytheEuropeanCommission(ContractNo.HPRN-CT-1999-0067).1See,forexample,GeertBekaertetal.(2005),PeterBlairHenry(2000),andAnushaChariandHenry(2002).Themacroeconomicliteraturefindsmoretenuousevidencethatfinancialopeningcontributestolong-termgrowth.SeeSebastianEdwards(2001),forexample.2Moreprecisely,emergingmarketsaredefinedasthosewithGDPpercapitaequalorbelowthatofSouthKorea.Thesamplecoverageforthosecountriesstartsattheearliestin1975andendsin2001.Acrashisdefinedasamonthlydropinthestockindex(indollars)largerthantwostandarddeviationsoftheaveragemonthlychange.Wedividedthesampleintoperiodsforwhichcountrieswerefinancially
1631Table1suggeststhatopeningtocapitalmove-
mentsisverypositivelycorrelatedwiththefre-
quencyofcrashesforemergingmarkets,butnot
forindustrializedcountries.Tradeopenness
(whethermeasuredbythetrade-to-GDPratioor
followingJeffreySachsandAndrewWarner,
1995),however,isassociatedwithalargede-
creaseinthefrequencyofcrashesforemerging
markets.3Hence,accordingtoTable1,beingan
emergingmarketopentofinancialflowswhile
closedtogoodsflowsmaximizesthefrequency
ofcrashes.
Thecontributionofourpaperistopresenta
generalframeworkinwhichthesecontradictory
effectsoffinancialandtradeliberalizationscan
bereconciled.Wecanalsomakesenseofthedifferentialimpactoffinancialglobalizationon
emergingmarketsanddevelopedeconomies.
Weemphasizethekeyroleofdemandand
marketsizeindrivingboththepositiveeffectof
financialintegrationonanemergingeconomy
anditsnegativeconsequences.
Inourmodel,theworldconsistsofone
emergingmarketandonedevelopedeconomy
whichdifferonlyintheirproductivitylevel.In
bothcountries,entrepreneursoperatinginmo-
nopolisticgoodsmarketsdecidewhethertofi-
nanceriskyfixed-sizedinvestments,sellshares
oftheseinvestmentsonthestockexchange,and
acquiresharesinotherriskyventuresdeveloped
athomeorabroad.Entrepreneursmayturnpes-
simisticandexpectlowlevelsofaggregatein-
vestment.Duetohomebiasingoodstrade,
negativeprospectsregardinginvestmenttrans-
lateintolowexpectedincomeanddemandfor
goods,lowprofits,andhencelowdemandfor
domesticassets.Thisvalidatestheirpessimistic
priorsanddetersthemfromdevelopingrisky
investments.Thehomebiasinfinancialmarkets
inturnimpliesthatthefallinincomeinthe
emergingmarketalsoleadstoafallindomestic
assetdemandandprices.Inthisequilibrium,
assetpricesandinvestmentcollapse,income
decreases,andacapitalflightoccurssincedo-
mesticagentsbuysharesinthedevelopedcoun-
trystockexchange.Thecircularcausalityis
magnifiediftradecostsarehigh,sincefirms’
profitsanddividendsinmoreclosedeconomies
aremoredependentontheleveloflocalde-
mand.Theyarethereforemoreatriskwhen
expectationsturnpessimistic.
Thelikelihoodofacrashishigheratan
intermediatedegreeoffinancialsegmentation.
Whenfinancialmarketsareperfectlyintegrated,
nofinancialhomebiasexistsandarbitrage
equatesassetprices,sothatlocalincomecon-
ditionsdonotalterthecostofcapitalin
theopenandfinanciallyclosed,followingKaminskyandSchmukler(2001).Hence,amongour62countries(34emergingcountries),31appeartwiceastheychangedstatusduringthesampleyears.Wealsoclassifiedcountriesintermsoftheiropennesstotrade.Wechosetwowidelyusedmeasuresoftradeopenness:(a)TheclassificationbySachsandWarner(1995)extendedtothe1990sbyRomainWac-ziargandKarenH.Welch(2003),whoprovideliberaliza-tiondatesforabroadsetofcountries.Thismeasureofopennessisbasedontradepolicies.Somecountrieshaveliberalizedfinancialandtradeflowsatdifferentdatesandhenceappearindifferentcellsofthetable.(b)TheaverageofexportsplusimportsoverGDPduringtheperiodcon-sidered.Thismeasureofopennesscapturesthedegreeofindependenceoftheeconomyonlocaldemand.Wecallopen(respectivelyclosed)acountrywhoseopennessratioisabove(respectivelybelow)themedianofitsgroup.Thetradeopennessratiocutoffforfinanciallyopenemergingcountriesis63percentofGDP.Forthegroupoffinanciallyclosedcountries,thetradeopennessratiocutoffis54per-cent.Formoredetails,seetheDataAppendixathttp://team.univ-paris1.fr/teamperso/martinp/table.pdf.3Thisisnotthecasefordevelopedcountries,forwhichthefrequencyofcrashesislowoverall.Fordevelopedeconomies,weusetheratiooftradetoGDPasourmeasureofopenness.AccordingtotheSachs-Warnermeasure,onlytwoindustrializedcountriesareclassifiedasclosedatsomepoint,sowedonotreporttheresult.TABLE1—FREQUENCYOFCRASHESANDOPENNESS
Tradeingoods
EmergingDeveloped
ClosedOpenClosedOpen
Financiallyclosed0.40a0.35b0.09a0.15b0.07b0.09a0.10bFinanciallyopen0.78a0.76b0.55a0.57b0.05b0.06a0.14b
aSachs-Warnermeasureofopenness.bTrade/GDPmeasureofopenness.1632THEAMERICANECONOMICREVIEWDECEMBER2006