高級微觀經(jīng)濟學preferenceandchoice-資料下載頁
【導讀】Content:. Theruleofchoice. Budget. Demandfunction. WAanddemandedlaw. An(acceptable)alternativesset(ora. A(weak)preferencerelation“”:abinary. Astrictpreference“”:. k???X. ,xy?Xxy%. ,butnotxyxyyx?%%. ,andxyxyyx?%%. It’splete:. It’sreflexive:. It’stransitive:. ,,eitheror,orbothxyxyyx?X%%. ,xxx??X%. ,,,ifand,thenxyzxyyzxz?X%%%. If. Budgetset:and,isa. thedecision-makermusttake.Choicerule:,B?BandBB???XB. (),forCBBB??B(.)C??(WARPorWA):ifforcertain,andforand,RevealedPreference“”:. B?B. ,xyB?()xCB?B??B()yCB??,xyB??()xCB??%. ,,,and()xyBxyBxCB???????B%. Choiceset. (,(.,))C?%B. (,){:,}CBxBxyyB?????%%. Definition:for,wesay“rational. example:X={x,y,z},B={{x,y},{y,z},{x,z}},(,(.,))C?%B. (,(.,))C?%B. withthewealthw>0.Definition:Walras(petive)budgetset. n??p. (,){:}nBww??????pxpx. function.(,)and0,0wpw??xxp
【正文】 ??pp( , ) ( , )( , ) ( , )lll k kkx w x ws w x wpw??????pppp( , )Swp( , ) ( , )( , ) ( , ) 0lll l llx w x ws w x wpw??? ? ???pppplecture5 for Chu Kechen Honors College Assignment ? If Then ? For then ? If Laspeyres quantity index is less than 1, then ,and if Paasche quantity index is large than1, then , , , , , , a nd ( ) , ( )B B x y B x y B x C B y C B? ? ?? ? ? ? ?B{ , } ( ) , { , } ( )x y C B x y C B ???, , a nd , ( ) ( )B B B B C B C B? ? ?? ? ?B B B ( ) ( ) ( ( ) ( ) )C B C B C C B C B???01xx?%10xx?%lecture5 for Chu Kechen Honors College Consumption set x2 x1 nX ???x2 x1 1 2 3 lecture5 for Chu Kechen Honors College Consumption set x1 XLeisure 24 8 x1 Leisure X24 lecture5 for Chu Kechen Honors College Consumption set rice X4 bread 4 Rice of Hangzhou XBread of Shanghai lecture5 for Chu Kechen Honors College expansion path 1( , )wxp1( , )Bwp2( , )Bwp2( , )wxp3( , )Bwp3( , )wxpEpx2 x1 lecture5 for Chu Kechen Honors College Wealth effects Epx2 x1 Epx2 x1 Epx2 x1 luxury goods lecture5 for Chu Kechen Honors College Supply curve: 2/wp12( , , )p p wxx2 x1 1/wp2/wp?12( , , )p p w?x2/wp??12( , , )p p w??xlecture5 for Chu Kechen Honors College Giffen good 2/wp12( , , )p p wxx2 x1 1/wp2/wp?12( , , )p p w?x2/wp??12( , , )p p w??xlecture5 for Chu Kechen Honors College and demand law x2 x1 x2 x1 x2 x1 lecture5 for Chu Kechen Honors College and demand law x2 x1 x2 x1 lecture5 for Chu Kechen Honors College
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