高級微觀經(jīng)濟(jì)學(xué)summary-展示頁
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【正文】 ( ) ( ) 0TTd y d yyy?? ????yylecture 1 for Chu Kechen Honors College rate of substitution ? one production: the marginal rate technical of substitution at x* . ? As x changes , we got technical rate of substitution ( ) /()( ) /jjiifxM R TSfx ?? ?????xxx x=x( ) /( ) /jjiifxTR Sfx?????xxlecture 1 for Chu Kechen Honors College rate of substitution ? The elasticity of substitution: the curvature of the isoquant. ? Question2: calculate the “TRS” and the “elasticity of substitution” of CobbDouglas technology and CES technology. ( ) / l n ( )0/ l n ( )j j ji i ix x xx x xjij i j i j idT R S T R S d T R S??? ? ??lecture 1 for Chu Kechen Honors College to scale ? Nonincreasing returns to scale: ? Nondecreasing returns to scale: ? Constant return to scale: , , [ 0 , 1 ]aa? ? ? ?y Y y Y, , 1aa? ? ? ?y Y y Y, , 0aa? ? ? ?y Y y Ylecture 1 for Chu Kechen Honors College to scale ? Proposition 3: Y is constant returns to scale if Y is both “additive” and “convexity”. ? Proposition 4:
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