外文文献及中文翻译中国为什么这么有竞争力 测评和解释中国的竞争力情况 why is china so competitive mea.docx
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外文文献及中文翻译中国为什么这么有竞争力 测评和解释中国的竞争力情况 why is china so competitive mea.docx
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外文文献及中文翻译中国为什么这么有竞争力测评和解释中国的竞争力情况whyischinasocompetitivemea
WhyIsChinaSoCompetitive?
MeasuringandExplainingChina’sCompetitiveness
byF.GerardAdams,NortheasternUniversity,
ByronGangnes,UniversityofHawaiiatManoa,
andYochananShachmurove,CityUniversityofNewYork1
WorkingPaperNo.04-62
October2004
(selection)
ComparativeAdvantageandInternationalCompetitiveness
Theexplanationofinternationalcompetitivenessbyeconomistsgoesbackmanyyearstothetheoryofcomparativeadvantageandfactorpricing(RicardoandHeckscher-Ohlin).WhileRicardofocusedononeproductionfactoranddifferencesintechnology(climate),HeckscherandOhlindealtwithlaborandcapitalinputsandjustifiedcomparativeadvantageonthebasisofunderlyingdifferencesinfactorendowmentsandrelativefactorprices.Thisapproachhasbeenextendedtomanyproductsandmanyfactors(Dornbusch,Fisher,andSamuelson,1977).Inthemoderntheoryoftradeunderimperfectcompetition,comparativeadvantagecontinuestoplayacentralroleinexplainingtradepatterns,althoughscaleeconomiesandstrategicmotivesarealsoimportant(HelpmanandKrugman,1985).RonaldJones(2000)hasnotedthatabsoluteadvantagesmayinfluencepatternsofspecializationifsomeinputstoproductionaremobileacrossborders.
Comparativeadvantagemaylieattheheartofthetheoryofspecializationandtradebutitisnotalwayscloselyrelatedtorealworlddiscussionsofcompetitiveness.First,comparativeadvantageisamicroeconomicconcept,focusingonindustry-specifictrade,explainingwhyonecountrymightexportlabor-intensiveproductswhileanothercountrymightspecializeincapital-intensiveones.Bydefinitioneachcountryhasacomparativeadvantageintheproductionofsomeproducts—thoseforwhichithasalowerrelative(opportunity)costthanitscompetitors.
Therefore,comparativeadvantagehaslittlesignificancefromamacroeconomicperspective.ItisnotmeaningfultosaythatatanytimecountryAintheaggregatehasacomparativeadvantageovercountryB.
Second,comparativeadvantageisanequilibriumconcept,predictingapatternoftradewhenprices,tradeflowsandexchangeratesareinequilibrium.Businessdecisions,incontrast,oftenmustexplicitlyconsidershort-termdevelopmentsaswellaslongtermequilibriumoutcomes.Thesewillincludecurrenteconomicconditions,exchangeratefluctuations,andotherfactorsthatrepresentdeviationsfromlong-runequilibriumconditions.
Finallycomparativeadvantagedoesnottakespecificallyintoaccountallthetechnologicaloptionsavailabletotheproducers.Atthemicroeconomiclevel,whendealingwithspecificproducts,itisnotalwaysclearfromtheorywhichcountryhasthemostfavorablemixofresourcesandfactorpricesforvarioustypesofproduction.Dependingontechnologyandinfrastructure,ashortageoflaborrelativetocapitalwhichimpliesrelativelyhighwageratesmaybeoffsetbydifferencesinproductivity.Highwagesmayormaynottranslateintocompetitivedisadvantageforlabor-intensiveproductsifalternativetechnologiesusinglesslaborandmorecapitalareavailable.Forexample,manyproductsthatareproducedbyhandinChinaarealsoproduced,bymachine,intheUnitedStates.
Competitiveness,atermusedwidelyinthebusinessadministrationliterature(Porter,1990),hasbeenoftenbeenappliedinEuropeandtheUStorepresentthefailuresorsuccessesoftheeconomy.Bycompetitivenesswemeantheabilityunderpresentconditionsofacountry’sproductstocommandworldmarkets.
Incontrasttocomparativeadvantage,itisappropriatetotalkmeaningfullyaboutinternationalcompetitivenessbothonthemacroandmicrolevel.Internationalcompetitivenessisamatterlargelyofcosts:
whichcountryisabletodelivertheproducttothemarketmostcheaply.Contributingtocostsarefactorsthatdirectlyaffectinputprices,suchasexchangerates,domesticwagesandmaterialcosts,andproductivity,butalsocapabilitiestoproducegoodsofappropriatequalityandmeetingmarketspecifications.Transportationandcommunicationcosts,andtradebarriersandtradestrategymayallplayarole.Competitivenessisnotanequilibriumconcept.Itrepresentsapositionatapointintimeoritschangeovertime.Sinceadjustmentontheproductsupplysideislikelytobeveryslow—ittakesmanyyearstoestablishproductionfacilitiesandexportmarkets—competitivenesstypicallyreferstoatimeofdisequilibriumwhenacountrycanincreaseitsshareofexportmarkets.Inotherwords,competitivenessoftenreferstodynamicratherthanstaticperspectives.
Commonusageoftheterm,competitiveness,isusuallybroaderthanwouldbeimpliedbyaformaldefinition.Inparticular,advocatesforcompetitivenessoftenstresstheroleofsustainedproductivitygrowthinproducingproductsthatmeetthetestofinternationalmarketsandthatleadstohigherlivingstandards.(Porter1990,CompetitivenessPolicyCouncil,1992).ItisinthiscontextthatthetermhasbeenembracedbypoliticianstorepresentthefailuresorsuccessesofWesterneconomies.But,theabilitytocommandworldmarkets(foratime)doesnotnecessarilyimplyhigherlivingstandards.Acountry’sproductsmaybecompetitivebecauseithasundervalueditscurrency.Inthatcase,termsoftrademaybeunfavorablefromawelfarepointofview,goodsmaybeexportedcheaplyintermsoftheimports.Nevertheless,theeffectsontradeandproductionarereal,asarethenecessarystructuraladjustmentsthatgoalongwiththem.
Incontrasttocomparativeadvantage,itisappropriatetotalkmeaningfullyaboutinternationalcompetitivenessbothonthemacroandmicrolevel.Atthemacrolevel,acountry’sexportsmaybehighlycompetitiveinthedestinationcountriesorincomparisonwithproductsoriginatinginothercountries.Thatmayreflectunderlyingfactorcostandproductivityconsiderations.Itmayalsoreflectthecurrentexchangerate,undervaluationorovervaluation,aswellastariffs,transportationcostsandtraderestrictionsaswellasproductqualityandspecifications.Competitivenesshasdynamicattributesinthesensethat,givenresourceenvironment,countriesmaybecomemorecompetitiveasaresultoflearning-bydoing,assimilationoftechnology,capitalaccumulation,increasingscaleofproduction,andpolicyintervention.Contrarytosomethinking,itdoesmakesensetothinkofacountry’saggregatecompetitivenessandaboutpoliciesintendedtoadvanceitscompetitiveness.
Fromamicroperspectiveaswell,itispossibletoaskwhethercertainindustriesarecompetitiveinworldmarkets.Thiscallsforacostcomparison,ataprevailingexchangerate,involvingsuchfactorsaswagesandcapitalcosts,scaleofproduction,and,ofcourse,productivity.Aswehavenotedinthediscussionofcomparativeadvantage,someindustrieswillbemoresuitedtoaneconomy’sendowmentoffactorsandskillsthanothers.Adynamicimprovementincompetitivenessmaymeanthatthecompetitivenessofcurrentlyexportingindustriesimprovesorthatnewproducts,perhapstechnologicallymoreadvancedones,becomecompetitive.
MeasurementofCompetitiveness
Themeasurementofinternationalcompetitivenessmaybeapproachedfroma“results”orfroma“causes”perspective.Resultsarebasicallyexportperformanceandthetradebalance.Theseareexpostconceptsanddonotask“why”,thoughthereisoftenanimpliedexplanation.Growthofexports,particularlygrowththatismorerapidthaninothercountries,impliescompetitiveness.Apositivetradebalanceisalsofrequentlycitedasapositivemeasureofcompetitiveness.Presumably,competitivenessreflectsrelativecosts,butitmayalsobeaffectedbyproductattributesandtraderestrictions.Thismayleadtoconfusion.Thus,acountrythatisrunningatradesurplus,maybesufferingoutflowsofcapitalanditsundervaluedexchangeratemaymakeitsexportscompetitive.Itisnotclearthatthistypeofcompetitivenessisagoodthing.Alternatively,atradedeficitmayfollowfromacountry’sattractivenesstoforeigninvestorswhosecapitalinflowcausestheexchangeratetobeovervaluedfromtheperspectiveoftrade.
Aclassicalresultsmeasure,focusedonparticularindustries,wasBalassa’s“revealedcomparativeadvantage”(RCA)(Balassa,1965),theshareofacountry’sexportsofaspecificproductcategory(Xij)toitstotalexports(ΣiXij)ascomparedtotheshareoftotalworldexportsofthespecificcategory(ΣjXij)inworldexportsofallgoods(ΣiΣjXij),
RCAij=Xij//(ΣiXij)/(ΣjXij)/(ΣiΣjXij).
BalassarelatesRCAmeasurestosuchunderlyingfactorsascapitalintensityandhumanresourcedevelopment(Balassa,1979).TheRCAsaresectorspecificandstatic.Itispossibletomakethemdynamicbyfocusingoncomparisonsovertimeandintermsofratesofchange.Forexample,growthofaspecificexportmorerapidlythanworldwidegrowthofthespecificproductexportssuggestscompetitivenessinthespecificproduct.Suchadynamiccomparisonisshownabove.Onemaywanttomeasureinternationalcompetitivenessdirectly,seekingthecausesforofacountry’soranindustry’sinternationaltradesuccess.Theexchangerateis,ofcourse,themostimmediatemeasureofthetermsoftrade.However,thenominalexchangerate,thoughrelevanttotradetransactions,failstotakeintoaccountdifferencesindomesticcurrencyproductioncosts.Comparisonsofthetemporalmovementofrealexchangeratescanbecomputedbyadjustingchangesinnominalexchangeratesfortheunderlyingdomesticpricemovements.
中国为什么这么有竞争力?
测评和解释中国的竞争力情况
(节选)
比较优势和国家竞争力
经济学者对国际竞争力的解释比对比较优势(李嘉图)和要素禀赋理论(赫克歇尔-俄林)晚许多年。
比较优势理论中,李嘉图强调生产要素和技术差异;而赫克歇尔-俄林的要素禀赋理论关注劳动和资本的通入,并在各国要素禀
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