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1、LEGALRESEARCHPAPERSERIESPaperNo49/2011September2011Complexity,InnovationandtheRegulationofModernFinancialMarketsDANAWREYThefulltextofthispapercanbedownloadedwithoutchargefromtheSocialScienceResearchNetworkelectroniclibraryat:Anindextotheworkingpaper
2、sintheUniversityofOxfordLegalResearchPaperSeriesislocatedat:Complexity,InnovationandtheRegulationofModernFinancialMarkets∗DanAwreyDRAFT:August25,2011∗UniversityLecturerinLawandFinanceandFellow,LinacreCollege,OxfordUniversity.Theaut
3、horwouldliketothankJohnArmour,BlanaidClarke,MerrittFox,AnnaGelpern,LawrenceGlosten,JeffGolden,SeanGriffith,ChristianJohnson,KatharinaPistor,ColinScottandKristinvanZwietenfortheirextremelyhelpfulcommentsandtotheorganizersandparticipantsofworkshopshostedbyFordhamUniversityandUniversit
4、yCollegeDublinfortheopportunitytopresentpreviousdraftsofthispaper.TheauthorwouldalsoliketoacknowledgethegeneroussupportofboththeInstituteforNewEconomicThinkingandtheColumbiaUniversityGlobalFinanceandLawInitiative.Electroniccopyavailableat:http://ssrn.com/abstract=1916649ABSTRACTThei
5、ntellectualoriginsoftheglobalfinancialcrisis(GFC)canbetracedbacktoblindspotsemanatingfromwithinconventionalfinancialtheory.Theseblindspotsaredistortedreflectionsoftheperfectmarketassumptionsunderpinningthecanonicaltheoriesoffinancialeconomics:modernportfoliotheory;theModiglianiandMi
6、llercapitalstructureirrelevancyprinciple;thecapitalassetpricingmodeland,perhapsmostimportantly,theefficientmarkethypothesis.InthedecadesleadinguptotheGFC,theseassumptionsweretransformedfromempirically(con)testablepropositionsintothecentralarticlesoffaithoftheideologyofmodernfinance:
7、thefoundationsofawidelyheldbeliefintheself-correctingnatureofmarketsandtheirconsequentoptimalityasmechanismsfortheallocationofsociety’sresources.Thisideology,inturn,exertedaprofoundinfluenceonhowweregulatefinancialmarketsandinstitutions.TheGFChasexposedthefollyofthismarketfundamenta
8、lismasadriverofpubl