哈伯德-微观经济学 Charpter9

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1、微观经济学第九章1.Whentotalutilityismaximized,whichofthefollowingistrueconcerningmarginalutility?A.Marginalutilityisminimized.B.Marginalutilityisalsomaximized.C.Marginalutilityequalszero.D.Marginalutilityisequaltototalutility.2.Whichofthefollowingstatementsconcerningtotalutilityandmarginalutility

2、iscorrect?A.Totalutilityisthesumofmarginalutilities.B.Marginalutilityisthesumoftotalutility.C.Marginalutilityismaximizedwhentotalutilityiszero.D.Marginalutilityisusuallylargerthantotalutility.3.Refertothetablebelow.Totalutilityderivedfromconsumingthreeicecreamconesequals:34A.34.B.24.C.22.

3、D.6.4.Refertothefigurebelow.Marginalutilityis:A.Greateratpointsuandvthanatpointswandx.B.Greateratpointswandxthanatpointsuandv.C.Greatestatpointy.D.Thesameatpointsuandvthanatpointswandx.5.Whatisabudgetconstraint?A.Alimitedamountofincomeavailabletoconsumerstospendongoodsandservices.B.Theamo

4、untofmoneynecessarytopurchaseagivencombinationofgoods.C.Anamountofincomethatyieldsequalmarginalutilityperdollarspent.D.Theamountofincomethatmustbespentongoodsandservicesinordertomaximizeutilityfromconsumption.6.Refertotheformulabelow.Inthiscase,themarginalutilityperdollarspentongoodXisles

5、sthanthemarginalutilityperdollarspentongoodY.Accordingtotheruleofequalmarginalutilityperdollarspent,whatcanaconsumerdoinordertoincreasetotalutilityfromconsumptionofgoodsXandY?A.IncreasetheconsumptionofgoodX.B.IncreasetheconsumptionofgoodY.C.Decreasetheconsumptionofbothgoods.D.Increasethec

6、onsumptionofbothgoods.7.Supposeyouhaveafixedbudgetfortwogoods,XandY.ThepriceofgoodXisPx=$10andthepriceofgoodYisPy=$5.ThemarginalutilityofXisMUx=60utilsandthemarginalutilityofYisMUy=15utils.ShouldtheconsumptionofXand/orYbehigher,lower,orremainthesame?A.ConsumptionofgoodXshoulddecrease,andc

7、onsumptionofgoodYshouldincrease.B.Thecurrentcombinationofgoodsmaximizestotalutility.Consumptionshouldremainthesame.C.ConsumptionofgoodXshouldincrease,andconsumptionofgoodYshoulddecrease.5/5微观经济学第九章D.TheconsumptionofgoodsXandYshouldincrease.8.Refertothetablebelow.Ass