31.RefertoFigure27-5.Supposetheverticaldistancebetweenthepoints(0,A)and(0,B)is12.Ifhiswealthincreasedfrom$1,300to$1,800,then a.Dexter’ssubjectivemeasureofhiswellbeingwouldincreasebylessthan12units. b.Dexter’ssubjectivemeasureofhiswellbeingwouldincreasebymorethan12units. c.Dexterwouldchangefrombeingarisk-aversepersonintoapersonwhoisnotriskaverse. d.Dexterwouldforgotheinsuranceheboughtwhenhiswealthwas$1,300. 32.RefertoFigure27-5.SupposeDexterbeginswith$1,300inwealth.Startingfromthere, a.thepainoflosing$500ofhiswealthwouldequalthepleasureofadding$500tohiswealth. b.thepainoflosing$500ofhiswealthwouldexceedthepleasureofadding$500tohiswealth. c.thepleasureofadding$500tohiswealthwouldexceedthepainoflosing$500ofhiswealth. d.Thiscannotbedeterminedfromthegraph. 33.Fromthestandpointoftheeconomyasawhole,theroleofinsuranceis a.toenticerisk-lovingpeopletobecomeriskaverse. b.topromotethephenomenonofadverseselection. c.nottoeliminatetherisksinherentinlife,buttospreadthemaroundmoreefficiently. d.nottospreadrisks,buttoeliminatethemforindividualpolicyholders. 34.Theproblemofmoralhazardarisesbecause a.lifeisfullofallsortsofrisks. b.afterpeoplebuyinsurance,theyhavelessincentivetobecarefulabouttheirriskybehavior. c.ahigh-riskpersonismorelikelytoapplyforinsurancethanisalow-riskperson. d.insurancecompaniesgotogreatefforttoavoidpayingclaimstotheirpolicyholders. 35.Asthenumberofstocksinaperson’sportfolioincreases, a.theriskoftheportfolioincreases,asindicatedbytheincreasingvalueofthestandarddeviationoftheportfolio. b.theriskoftheportfolioincreases,asindicatedbythedecreasingvalueofthestandarddeviationoftheportfolio. c.theriskoftheportfoliodecreases,asindicatedbytheincreasingvalueofthestandarddeviationoftheportfolio. d.theriskoftheportfoliodecreases,asindicatedbythedecreasingvalueofthestandarddeviationoftheportfolio. 36.Thelargestreductioninaportfolio’sriskisachievedwhenthenumberofstocksintheportfolioisincreasedfrom a.80to100. b.40to80. c.10to20. d.1to10. 37.Diversificationofaportfolio a.caneliminatemarketrisk,butitcannoteliminatefirm-specificrisk. b.caneliminatefirm-specificrisk,butitcannoteliminatemarketrisk. c.increasestheportfolio’sstandarddeviation. d.isnotnecessaryforapersonwhoisriskaverse. 38.MaryBethisriskaverseandhas$1,000withwhichtomakeafinancialinvestment.Shehasthreeoptions.OptionAisarisk-freegovernmentbondthatpays5percentinteresteachyearfortwoyears.OptionBisalow-riskstockthatanalystsexpecttobeworthabout$1,102.50intwoyears.OptionCisahigh-riskstockthatisexpectedtobeworthabout$1,200infouryears.MaryBethshouldchoose a.optionA. b.optionB. c.optionC. d.eitherAorBbecausetheyarethesametoher. 39.Ameasureofthevolatilityofavariableisits a.presentvalue. b.futurevalue. c.return. d.standarddeviation. 40.Arisk-averseperson a.hasautilitycurvewheretheslopeincreaseswithwealth,andmighttakeabetwitha80percentchanceofwinning$300anda20perchanceoflosing$300. b.hasautilitycurvewheretheslopeincreaseswithwealth,andwouldnevertakeabetwitha80percentchanceofwinning$300anda20percentchanceoflosing$300. c.hasautilitycurvewheretheslopedecreaseswithwealth,andmighttakeabetwitha80percentchanceofwinning$300anda20perchanceoflosing$300. d.hasautilitycurvewheretheslopedecreaseswithwealth,andwouldnevertakeabetwitha80percentchanceofwinning$300anda20percentchanceoflosing$300.