? . 8, , , . . . 10.1 D . , , . MR AC MC. Q*. P*, Q*,
, Q* , ? , mo-
MC
(Q1)
SbICOKOU
(P,)
=AR
(U2] (P2)
. 10.1.
Qi pi. . 10.1, , , Qi, (MRMC), . . . , Q*, , , . Qi , . Qi Q* , MR MC, Qi Q*. . 10.1 Q2 . ,
, Q2, ( MCMR). , Q*. Q* Qa MC MR, Q* Q2.
, Q* . , Q:
Ji(Q)-R(Q) -C(Q).
Q , , , , . , Q , Q (. . /AQ = ).
|
|
/AQ = AR/AQ /AQ = .
AR/AQ , a AC/AQ ,
MR MC = MR = MC.
, .
C(Q) =50 + Q2
(. . 50 ., Q2). (Q) /Q = 50/Q + Q, AC/AQ = = 2Q.
P(Q) = 40-Q,
R(Q) = P(Q)Q= 4OQ Q2, MR = AR/AQ = 40 2Q. - ,
, , Q= 10 ( 30 .).
. 10.2, (Q) = = R (Q) (Q). , , , , . . - . Q, 150 . Q* = = 10, Q. . ( '
400
/ 40
30
20 15 W
10 15 V<7
MC
5 10 15
. 10.2. 296
' .) AR/AQ, , /AQ, . , .
. 10.2 , . Q* =10. 15 . , 30 . : 30 . 15 . = 15 . . 10 , 10-15 .= 150 . ( ).
, , , ? , . . , , , .
, :
MR=-
AR AQ
A(PQL AQ
, , , A(PQ)/AQ . P, : (I)-(P) = P. , ,
|
|
AP/AQ,
(. . Q[AP/AQ]). :
MR=
AQ
, Q(AP/AQ) P, P. , Ed = == (P/Q) (AQ/AP). , (Q/P) (AP/AQ) , 1/E4 , , , :
MR= P +P (l/Ed).
, , :
P +P (1/Ed) = ,
1
Ed-
(10.1)
.
(P MC)
. , , , . , :
P =
MC
(10.2)
, 4, 9 . , : 9/(1 ') = 9/0,75= 12 . .
, , ? . 8 ,
. , , . (10.1), , Ed , , , . , , .
. , , . 8, . , .
. , . ,
MC
Ofa
. 10.3 .