[考題] 經濟學 出處98 淡江財金所 MJ
已知廠商得固定成本為100 唯一的變動成本為支付的薪水 當生產50單位的產量時
勞動的邊際產量為5 勞動平均產量為10 且一單位勞動價格為20
請問此時的邊際成本與平均成本分別為多少
Ans: MC = PL/MPL AVC =PL/APL 所以 MC = 20/5=4 AVC = 10/5=2
AC=AFC + AVC =100/5 + 2 =4
-------我的疑問是當算出MC = 4 時 直接對MC = 4 積分 TVC = 4Q =50*4=200
TC=200+100 =300 AC=300/50=6
查了課本MC積分可變TC or TVC 之前有算過 我都直接對MC積分取TVC
但這題MC積分是變成TC。我想問何時對MC積分變成TC? 何時變TVC
還是我的觀念有誤 請幫我解答 TKS
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