消费者最适化的两个问题(ppt 18)(1)

来自||0121),(2321HHMRSHMUMUHRMRSRHRHURHHR来自消費者最適化的兩個問題•切點一定是最適解?•若無切點?来自:AnIntegratedApproachChapter4,Figure04-07来自yx對所有的PPMRSyxxy来自中国最大的资料库下载為何發生角解?•Y太貴了,不怎麼喜歡Y•太喜歡X了来自中国最大的资料库下载算術例子:exercise4.3211),0,10(?5.2102202102)2(2022110).1(10,2,110),(xyyxyxMRS點atyyyyxyxxyMUMUIPPxxyyxU来自(LearningByDoingExercise4.3)Besanko&Braeutigam/Microeconomics:AnIntegratedApproachChapter4,Figure04-08来自中国最大的资料库下载角解之需求函數:一般式exercise5.3xyxyyyyyyyyyyyxyxyxxyyxyxyxPIxyIPifPPPPIxPPIyIPifPPIyIyPPyIyPPPyPIyPxPPPyxPPxyMUMUIPPxxyyxU,010)10210(,21010210)10()10()2()10(10).1(,,,10),(来自中国最大的资料库下载最適解非切點:完全替代0*3]/,0[*2*2122),(:;:CP若PPICP若PPICP若PMRSVCVCU淇淋冰淇淋換一個巧克力冰消費者願意以兩個香草香草冰淇淋V巧克力冰淇淋CVCCVCCVCCV来自:AnIntegratedApproachChapter4,Figure04-09(Figurecontinuesonnextslide)来自(Continued)Besanko&Braeutigam/Microeconomics:AnIntegratedApproachChapter4,Figure04-09continued来自:2),(),,(?:110,1,2),(,*,*CSEV求CVPxQIPPyIPPxfucntiondemand求QIPPyxyxUyxyxyX来自中国最大的资料库下载補償變量與等額變量～用以衡量福利之變動•補償變量:compensatingvariation價格變動後,需給多少錢(想像調漲)以維持變動前滿足水準•等額變量:equivalentvariation價格變動前,需扣多少錢以維持變動後的滿足水準来自:AnIntegratedApproachChapter5,Figure05-17来自*25,2.02,12),25(:15)5,25(,525*2.010,252.0112.0112)8,4(,84*5.010,45.0115.0110,1,2),(2121CVB點點之支PyyUB點UyxxxMUMUUyxxxMUMUIPPyxyxUxyxyxyX来自*4,5.011,15),4(:15)5,25(,525*2.010,252.0112.0112)8,4(,84*5.010,45.0115.0110,1,2),(2121EVE點點之支PyyUE點UyxxxMUMUUyxxxMUMUIPPyxyxUxyxyxyX来自32.015.01|)()(1)(111110,1,2),(5.02.015.02.02221来自:AnIntegratedApproachChapter5,Figure05-18