西方经济学教学课件——chapter20

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1、Microeconomics,lie(Parkin)Chapter20UncertaintyandInformation1DecisionsintheFaceofUncertainty1)ExpectedwealthisaweightedaverageinwhichtheweightsareA)averageutilities.B)marginalutilities.C)totalutilities.D)probabil让ies.Answer:DTopic:ExpectedWealthSkill:DefinitionStatus:OldAACSB:Analyti

2、calSkills2)Forariskaverseperson,anincreaseinwealthbringstotalutilityofwealthandmarginalutilityofwealth・A)higher;higherB)higher;lowerC)lower;higherD)lower;lowerAnswer:BTopic:UtilityofWealthSkill:ConceptualStatus:OldAACSB:AnalyticalSkills3)Ariskaverseperson'sutilityofwealthcurvehasaA)p

3、ositiveslopeandbecomessteepertotheright.B)positiveslopeandbecomesflattertotheright.C)negativeslopeandbecomessteepertotheright.D)negativeslopeandbecomesflattertotheright.Answer:BTopic:UtilityofWealthSkill:ConceptualStatus:OldAACSB:AnalyticalSkills4)Forariskaverseperson,themarginalutil

4、ityofwealthA)decreasesaswealthincreases・B)increasesaswealthincreases・C)decreasesaswealthdecreases・D)remainsconstantaswealthincreases・Answer:ATopic:UtilityofWealthSkill:DefinitionStatus:OldAACSB:AnalyticalSkills1)TheassumptionthatthemarginalutilityofwealthdiminishesimpliesthatA)totalu

5、tilityfallswhenwealthincreases・B)themarginalutilityofwealthisnegative・C)totalutilityincreaseswithwealthandeachadditionalunitofwealthincreasestotalutilitybyasmalleramountD)totalutilityincreasesw让hwealthandeachadditionalunitofwealthincreasestotalutilitybythesameamount.Answer:CTopic:Uti

6、lityofWealthSkill:ConceptualStatus:OldAACSB:AnalyticalSkills2)AssumingthatthemarginalutilityofwealthdiminishesimpliesthatA)youhavemoretotalutilitywith$100thanwith$1,000.B)youhavemoretotalutilityw让h$1,000thanw让h$1,001・C)anadditionaldollarincreasesyourtotalutilitymoreifyouonlyhave$100t

7、hanifyouhave$1,000.D)anadditionaldollardoesnotincreaseyourtotalutilityregardlessofyourwealth.Answer:CTopic:UtilityofWealthSkill:ConceptualStatus:OldAACSB:AnalyticalSkills3)IfRingoisriskaverse,atawealthof$200,000hisutilityofwealthcurvehasaslopeandhismarginalutilityofwealthisthanatawea

8、lthof$100,00