? ( ). .

, . : , , . : , ,

. . : , , . :

: , : , , .

- - . .

:Q=f(K,L)Q- K-L-f-

, . , . , 2 .

, , , . .

. :

. .

- Total physical product (TPP)

- Average physical product (APP)APP = TPP /

- Marginal physical product (MPP) . . :

MPP APP- MPP , MPP .

.APmaxTPL1LAAPTP,AP, MPMPmaxL0BCL2MPTPmax IIIIII

A , , .

MP- 2 .I TP>0; MP>0 MP>0II TP>0; MP0 III TP

MPP TPP MPP TPP MPP .

TPP MPP .

PP MPP- MPP > APP APP MPP < APP APP .MPP = APP APP

: . . ( ). (= 0 )

TC, TVC,TFC

: AFC = TFC / Q

AVC = TVC / Q

ATC = TC / QATC = AFC + AVC ( TFC + TVC = TC)

: MC =

AVC, ATC, MCMC AVC ATC .

. .

. . .

(LRATC)

= LRATC

*