. 4.7
(Qd = MR) .
() , () .
. 4.8
( ) - () .
- .
:
MR (QA) = MR(QB) = MR∑=MC.
:
A/B = (1 - 1/B)/(1 -1/),
- .
. 4.9
.
:
QD= 16 - , TC = 14 + Q2.
1. , ?
2. , ?
.
1. : MR =MC
, MR =(TR). TR =P*Q.
: TR= (16- Q) * Q = 16Q - Q2
: MR = 16+2Q; = 2Q.
, MR =, 16-2Q = 2Q; Q =4.
= 16 - Q = 16 - 4 = 12.
: = TR - = 12*4 - (14 +42) = 18.
= 18.
2. . : QD= MR.
, 16 - Q = 2Q. Q = 5,33.
:
: = 71,08 _ 145,332 = 28,67.
= 28,67
.
- : = 30 + 20Q,
:
1 = 40 - 2Q; 2 = 80 - 10Q.
, .
.
:
TR1 = P1*Q1 = (40 - 2Q1)Q1 = 40Q1 - 2Q12;
TR2 = P2*Q2 = (80 - 10Q2)Q2 = 80Q2 - 10Q22.
bl
:
MR1 = 40-4Q1, MR2 = 80 -20Q2.
: = 20.
:
40 - 4Q1 = 20; Q1 = 5.
80 - 20 Q2 = 20; Q2 = 3.
:
1= 40 2*5 = 30. 1 = 30.
2= 80 - 10*3 = 30. 2 =50.
, () , () .
( ) .
, .
|
|
. 4.10
, :
1.
2.
3.
4.
, , .
, . , .
, .
. 4.11
Q2Q3 . Q1 . 4 .
: MR = . 9. 4.12,)
( 4.12, ).
. 4.12
, , .
.
,
:
1. .
2. ().
, .