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3、31–52QUARTERLYSUMMER2010JOURNALofAUSTRIANECONOMICSIFAPUREMARKETECONOMYISSOGOOD,WHYDOESN’TITEXIST?THEIMPORTANCEOFCHANGINGPREFERENCESVERSUSINCENTIVESINSOCIALCHANGEEDWARDP.STRINGHAMANDJEFFREYROGERSHUMMELABSTRACT:Manyeconomistsarguethatapuremarketeconomycannotcomeaboutbe
4、causepeoplewillalwayshaveincentivestousecoercion(CowenandSutter,2005;Holcombe,2004).Wemaintainthattheseeconomistsleaveoutanimportantfactorinsocialchange.Changecancomeaboutbyalteringincentivesorpreferences,butsincemostneoclassicaleconomistsignorechangingpreferences,theytooquicklycon
5、cludethatchangeisimpossible.Historyshowsthatsocialchangebasedonchangesinpreferencesiscommon.Byrecognizingthatpreferencesneednotbeconstant,politicaleconomistscansaymuchmoreaboutchangingtheworld.KEYWORDS:publicopinion,publicchoice,anarchy,socialchangeJELCLASSIFICATION:D78,H11,P11Edwa
6、rdPeterStringham(edward.stringham@gmail.com)istheLloydHackleyEndowedChairofCapitalismandFreeEnterpriseStudiesatFayettevilleStateUniversity.JeffreyRogersHummel(jhummel@gguol.ggu.edu)isAssociateProfessorofEconomicsatSanJoseStateUniversity.TheauthorsthankBryanCaplan,ChrisCoyne,TomDiLo
7、renzo,DavidHenderson,refereesforthisjournal,andparticipantsattheIntercollegiateStudiesInstituteTempletonCultureofEnterpriseConferenceinWashington,D.C.,thePropertyandFreedomSocietyConferenceinBodrum,Turkey,theAssociationofPrivateEnterpriseEducationconferenceinLasVegas,andLibertas’Ar
8、ligeModeinCopenhagen,Denmarkforhelpfulcommentsandsuggestions.3132TheQuarterlyJournalofAustrianEconomics13,No.2(2010)INTRODUCTIONIfapuremarketeconomyissogood,whydoesitnotalreadyexist?Ifgovernmentsaresobad,whyaretheydominantthroughouttheworldtoday?Indeed,isthewidespreadadoptionoffree
9、marketseverlikelytooccur?Manyrecentauthors,includingCowen(1992,1994),CowenandSutter(1999,2005),Holcombe(2004,2005,2007),andRutten(1999)questionthefeasibilityofapurelibertariansociety.1Theymaintainthatsuchasystemcannotariseorpersistbecausesomepeoplewillalwayshaveboththeincentiveandt
10、heabilitytouseforceagainst
