大一微观经济学练习
1.K = 10
[TP]Q = f(L)= 20L-. 25-. 5 * 100 = 20L-50.25
AP = Q/L = 20 - 50.25/L
MP = dQ/dL = 20
2.TP,AP是L的单调函数,所以TP_max = +infty,L = +infty。
AP_max = 20,L = +infty
MP是常数函数MP_max = MP = 20。
3.AP = MP = & gt20 - 50.25/L = 20 = >L = +infty
此时输出最大化TP = +infty。