资源描述：
《投资学课后习题答案cha(1)》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、Chapter12-BehavioralFinanceandTechnicalAnalysisCHAPTER12:BEHAVIORALFINANCEANDTECHNICALANALYSISPROBLEMSETS1.Technicalanalysiscangenerallybeviewedasasearchfortrendsorpatternsinmarketprices.Technicalanalyststendtoviewthesetrendsasmomentum,orgradualadjustmentsto‘co
2、rrect’prices,or,alternatively,reversalsoftrends.Anumberofthebehavioralbiasesdiscussedinthechaptermightcontributetosuchtrendsandpatterns.Forexample,aconservatismbiasmightcontributetoatrendinpricesasinvestorsgraduallytakenewinformationintoaccount,resultingingradu
3、aladjustmentofpricestowardstheirfundamentalvalues.Anotherexamplederivesfromtheconceptofrepresentativeness,whichleadsinvestorstoinappropriatelyconclude,onthebasisofasmallsampleofdata,thatapatternhasbeenestablishedthatwillcontinuewellintothefuture.Wheninvestorssu
4、bsequentlybecomeawareofthefactthatpriceshaveoverreacted,correctionsreversetheinitialerroneoustrend.2.Evenifmanyinvestorsexhibitbehavioralbiases,securitypricesmightstillbesetefficientlyiftheactionsofarbitrageursmovepricestotheirintrinsicvalues.Arbitrageurswhoobs
5、ervemispricinginthesecuritiesmarketswouldbuyunderpricedsecurities(orpossiblysellshortoverpricedsecurities)inordertoprofitfromtheanticipatedsubsequentchangesaspricesmovetotheirintrinsicvalues.Consequently,securitiespriceswouldstillexhibitthecharacteristicsofanef
6、ficientmarket.3.Oneofthemajorfactorslimitingtheabilityofrationalinvestorstotakeadvantageofany‘pricingerrors’thatresultfromtheactionsofbehavioralinvestorsisthefactthatamispricingcangetworseovertime.Anexampleofthisfundamentalriskistheapparentongoingoverpricingoft
7、heNASDAQindexinthelate1990s.Arelatedfactoristheinherentcostsandlimitsrelatedtoshortselling,whichrestricttheextenttowhicharbitragecanforceoverpricedsecurities(orindexes)tomovetowardstheirfairvalues.Rationalinvestorsmustalsobeawareoftheriskthatanapparentmispricin
8、gis,infact,aconsequenceofmodelrisk;thatis,theperceivedmispricingmaynotberealbecausetheinvestorhasusedafaultymodeltovaluethesecurity.12-14Chapter12-BehavioralFinanceandTechni
