. .
, ,
2. 250. . . 200. . 500. . 10%. ?
. , . . , . : T= , :
T ;
FC ;
AVC ;
P .
T 1 = = = =10 .
10% FC 550. . , .
T 2 = = = =11.
.
3. 30 . TC = q3 6q2 + 18q. Qd = 180-3P, P . .
. AC=MC=P.
AC = TC/ q → AC = q2 6q + 18.
, MC = ∆TC/ ∆q = TC΄ → MC = 3q2 12q + 18.
AC MC :
AC=MC → q2 6q + 18 = 3q2 12q + 18 → 2q2 6q = 0.
q = 3.
P = MC. MC q = 3 → MC = 3q2 12q + 18 = 3*32 12*3 + 18 = 9.
, , :
P = MC = 9.
Qd = 180-3P = 180 3*9 = 153.
Qd = Qs = 153.
: N = Qs/ qs = 153/ 3 = 51.
30 , , 21 .
4. TC = Q3 8Q2 + 20Q + 50. , . ? ? ?
. , , P=min AVC. , . , FC=50, . , , , .
|
|
1. .
:
, TVC - , Q .
TVC TC= Q3 8Q2 + 20Q + 50, 50 FC ( ) :
TVC = TCFC = (Q3 8Q2 + 20Q + 50) 50 = → TVC = Q3 8Q2 + 20Q.
:
AVC = TVC: Q → AVC = (Q3 8Q2 + 20Q): Q → AVC = Q2 8Q + 20.
2. . AVC:
AVC΄ = (Q2 8Q + 20)΄ = 2Q 8.
AVC΄ Q AVC:
2Q 8 = 0, Q = 4.
Q = 4 min AVC:
AVC = Q2 8Q + 20 → min AVC = 42 8*4 + 20 = 16-32+20 = 4.
3. , P=min AVC = 4.
4. .
TC (4) = Q3 8Q2 + 20Q + 50 = 43 8*42 + 20*4 + 50 = 66..
TR = P * Q = 4*4 = 16..
(4) = TR - TC (4) = 66 - 16 =- 50 = FC.
→ TVC (4) = Q3 8Q2 + 20Q = 43 8*42 + 20*4 = 16..
TR = 16. ., TR = TVC4. , (4) FC(4) = - 50.
, , , , FC(0) = - 50.
5. MR(=P)=MC. MC MC = min AVC = 4.
6. AVC 4. min AVC Q = 4. MR(=P) = MC. , , Q = 4 , . :
Q=5. → TC(5) = 75; TR = 4*5.=20; =TR(5)-TC(5)=75-20= -55.
Q=3. → TC(3) = 65; TR = 4*3.=12; =TR(3)-TC(3)= 6 5-12= -53.