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1、CHAPTER3偏好1."Aconsumerwithconvexpreferenceswhoisindifferentbetweenthebundles(1,2)and(9,6)willlikethebundle(5,4)atleastaswellaseitherofthefirsttwobundles."所选答案：对正确答案：对2."Aconsumerwithconvexpreferenceswhoisindifferentbetweenthebundles(2,3)and(10,9)willl
2、ikethebundle(6,6)atleastaswellaseitherofthefirsttwobundles."所选答案：对正确答案：对3."BillKatzprefersmoreofgood1tolessandhepreferslessofgood2tomore.Billhasconvexpreferences.Ifwedrawhisindifferencecurveswithgood1onthehorizontalaxisandgood2ontheverticalaxis,thenhi
3、sindifferencecurveshavepositiveslopebutgetsteeperastheyrise."所选答案：错正确答案：错4."Charlie'sindifferencecurveshavetheequationxB=constant/xA,wherelargerconstantsdenotebetterindifferencecurves.Charliestrictlyprefersthebundle(10,19)tothebundle:"所选答案：Enoneofthes
4、ebundles.正确答案：Enoneofthesebundles.5."Charlie'sindifferencecurveshavetheequationxB=constant/xA;wherelargerconstantsdenotebetterindifferencecurves.Charliestrictlyprefersthebundle(9,19)tothebundle:"所选答案：Enoneofthesebundles.正确答案：Enoneofthesebundles.6."Geo
5、rge'sindifferencecurvesarecircles,allofwhicharecenteredat(18,20).Ofanytwoindifferencecircles,hewouldratherbeontheinneronethantheouterone.Whichofthefollowingistrue?"所选答案：DGeorgeprefers(16,19)to(23,26)."正确答案：DGeorgeprefers(16,19)to(23,26)."7."IfMelodyha
6、smoreclassicalrecordsthanrockandrollrecords,sheiswillingtoexchangeexactly1classicalrecordfor2rockandrollrecords,butifshehasmorerockandrollrecordsthanclassicalrecords,thensheiswillingtoexchangeexactly1rockandrollrecordfor2classicalrecords.Melodyhasconv
7、expreferences."所选答案：对正确答案：错8."Ifpreferencesareconvex,thenforanycommoditybundlex;thesetofcommoditybundlesthatareworsethanxisaconvexset."答案所选答案：对正确答案：错9."Ifpreferencesaretransitive,moreisalwayspreferredtoless."答案所选答案：错正确答案：错10."Ifsomeonehastheutilityfun
8、ctionU=1000+2min{x,y}thenxandyareperfectcomplementsforthatperson."答案所选答案：对正确答案：对11."Ifthereareonlytwogoods,ifmoreofgood1isalwayspreferredtoless,andiflessofgood2isalwayspreferredtomore,then:"所选答案：答案Bindifferencecurvesslopeupwards.正确答案：答案Bindiff
