. , , , , .
, , , w. ,
MC = ΔVC/ΔQ = w ΔL/ΔQ
ΔVC , w ΔL.
MPL , ΔQ/ΔL. , ΔL/ΔQ = 1/MPL. :
MC = w/MPL
, .
. AVC , VC/Q. L , w L. , AVC = w L/Q.
AP Q/L. :
AVC = w/APL
, .
. 4.3 -
AFC FC 0. . , . , . , .
.
, ? : ( ) ( ). , . w, r. , .
, , .. .
TC wL rK
|
|
TC = wL + rK
.
. 4.4 -
,
K = TC/r (w/r)L
, , ΔK/ΔL = (w/r), ( ). , ( w ), w/r r . . , .