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1、Uncertainty,Evolution,andEconomicTheoryAuthor(s):ArmenA.AlchianSource:JournalofPoliticalEconomy,Vol.58,No.3(Jun.,1950),pp.211-221Publishedby:TheUniversityofChicagoPressStableURL:http://www.jstor.org/stable/1827159.Accessed:17/10/201106:57YouruseoftheJSTORarchiveindicatesyouracceptanceoftheTerms
2、&ConditionsofUse,availableat.http://www.jstor.org/page/info/about/policies/terms.jspJSTORisanot-for-profitservicethathelpsscholars,researchers,andstudentsdiscover,use,andbuilduponawiderangeofcontentinatrusteddigitalarchive.Weuseinformationtechnologyandtoolstoincreaseproductivityandfacilitatenew
3、formsofscholarship.FormoreinformationaboutJSTOR,pleasecontactsupport@jstor.org.TheUniversityofChicagoPressiscollaboratingwithJSTORtodigitize,preserveandextendaccesstoJournalofPoliticalEconomy.http://www.jstor.orgUNCERTAINTY,EVOLUTION,ANDECONOMICTHEORYARMENA.ALCHIAN'UniversityofCaliforniaatLosAn
4、gelesAMODIFICATIONofeconomicanaly-ductionoftheelementofenvironmentalsistoincorporateincompletein-adoptionbytheeconomicsystemofaformationanduncertainfore-posteriorimostappropriateactionac-sightasaxiomsissuggestedhere.Thiscordingtothecriterionof"realizedposi-approachdispenseswith"profitmaximi-tiv
5、eprofits."Thisisillustratedinanex-zation";anditdoesnotrelyonthepre-treme,random-behaviormodelwithoutdictable,individualbehaviorthatisusu-anyindividualrationality,foresight,orallyassumed,asafirstapproximation,inmotivationwhatsoever.Eveninthisex-standardtextbooktreatments.Despitetremetypeofmodel,
6、itisshownthatthethesechanges,theanalyticalconceptseconomistcanpredictandexplaineventsusuallyassociatedwithsuchbehaviorarewithamodifieduseofhisconventionalretainedbecausetheyarenotdependentanalyticaltools.uponsuchmotivationorforesight.TheThisphenomenon-environmentalsuggestedapproachembodiesthepr
7、inci-adoption-isthenfusedwithatypeofplesofbiologicalevolutionandnaturalindividualmotivatedbehaviorbasedonselectionbyinterpretingtheeconomicthepervasivenessofuncertaintyandin-systemasanadoptivemechanismwhichcompleteinformation.Adap
