生產(chǎn)技術(shù)與利潤最大化(1)(參考版)
2025-05-16 15:02本頁面
【正文】 A CobbDouglas Example 1 / 3 1 / 312y x x? 2 / 3 1 / 31 1 2113yM P x xx?????* 2 / 3 1 / 31 1 1 2 1()3pM R P p M P x x w?? ? ? ?3 / 2* 1 / 21213pxxw??? ????1 / 2* * 1 / 3 1 / 3 1 / 21 2 21()3py x x xw???? ????48 48 比較靜態(tài)學(xué) 產(chǎn)品價(jià)格 p變動(dòng) x1 y ????? ?12,y f x x?S lo p es wp? ? 1?????低價(jià)格 高價(jià)格 49 49 比較靜態(tài)學(xué) 投入價(jià)格 w1變動(dòng) x1 y ????? ?12,y f x x?S lo p es wp? ? 1?????高價(jià)格 低價(jià)格 50 50 Comparative Statics of ShortRun ProfitMaximization An increase in p, the price of the firm’s output, causes an increase in the firm’s output level (the firm’s supply curve slopes upward), and an increase in the level of the firm’s variable input (the firm’s demand curve for its variable input shifts outward). 51 51 Comparative Statics of ShortRun ProfitMaximization An increase in w1, the price of the firm’s variable input, causes a decrease in the firm’s output level (the firm’s supply curve shifts inward), and a decrease in the level of the firm’s variable input (the firm’s demand curve for its variable input slopes downward). 52 52 所有要素的使用量都可以自由的變動(dòng) ? ?121 2 1 1 2 2,m a x ,xx p f x x w x w x??? ?**1 1 2 1,p M P x x w?? ?**2 1 2 2,p M P x x w?1 1 1 2* ( , )x x w w?2 2 1 2* ( , )x x w w?要素需求曲線 53 53 反要素需求曲線 x1 ￥ w’1 x’1 pMP1 w”1 x”1 w1 11p M P w?。 可以按不同的數(shù)量使用的生產(chǎn)要素稱為可變要素（變動(dòng)要素）。 36 36 長期和短期 y x x? 11/ 3 21/ 3 is the longrun production function (both x1 and x2 are variable). The shortrun production function when x2 ? 1 is .x1xy3/113/13/11 ??The shortrun production function when x2 ? 10 is .x15210xy 3/113/13/11 ???37 37 x1 y 3/13/11 10xy ?3/13/11 5xy ?3/13/11 2xy ?3/13/11 1xy ?長期和短期 Four shortrun production functio
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