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2) . , , , , ?

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9 , Q = 180 (9 20 ).

, = 189 Q, = 9.

, ? , .

, MR = .

MR = 9, = q2 12q + 36.

. 9 = q2 12q + 36. q <7=9.

9 , , LRACmin 9 . , q = q2 12q + 36. = 81 108 +36=9. , MR == .

, . , . , , . , .

8 , , = q2 12q + 36 = 82 12 8 + 36 = 4, 9 - 9. , 5. , .

 

 

1. 3, 1 1. ? ?

 

, - . , , , . . , . , . , , , , .

2. , . ?

1. - , AR = 12 q. = (16 + q²/q. (+) (-) , ?

. . , , = TR . () , , = (AR AC)q. . , , .

, - , . , . , . q, . TR =AR q = (12 q)q = 12q q2 = AC q = [(I6 + q²/q]q = 16 + q2. , , MR =12 2q, MC = 2q. MR = MC, 12 2q = 2q. , q = 3.

(/ = (AR AC)q.

= [(12 - q) - (16 + q²/q ]q = [ 12q - 2q2 - 16)/q ]q = 12q - 2q2 -16.

q = 3, =2. . = TR = (12q q2) (16 + q²) = 12q - 2q2 16 = 2.

 

2. Qd = 40 2, LRMC = 2Q 4. 14, : (-) (+)? ?

 

. , .

Qd = 40 2, Qd = 40 2 14 = 12.

? , , , MR = MC. , MR = . , = MC, 14 = 2Q 4. Q, 2Q = 14 + 4, Q = 9. 9 12 . , 3 .

, , MR = MC. , . TR = P(Q)Q, 2 = 40 Q = 20 - 1/2 Q. , TR = (20 - 1/2 Q² = 20Q - 1/2 Q2. , . MR = 20 Q. , MR = MC, 20 = 20 4, 3Q = 24. a Q = 8 . = 20 1/2Q. 16.

, , , , , .

 

 

1. , , , MRL = 9 q. MRL = 1 + q, Sn = 2 + 2q, ?

 

 

, . .

- , MR = , , = , -.

, , . , , Qs = qL + n.

- MRL = L.

9 q = 1 + q, qL = 4.

= , , Sn = 2 + 2q.

, , . , AR. , , , .

, MRL = 9 - q, TRL = 9q l / 2q2.

AR = TR/q, ARL = (9q 1/2q2) / q = 9 l/2q.

, 4, : 9 l/2q = 9 1/2(4) = 7.

, , : = Sn =2+2q, 7 = 2 + 2q, qn = 2,5. (qL + qn) 6,5.

 

2. - (. ) . MR = 10 2q, = 2q 2. 6, ?

 

, , , , .

, , .

LRMC = LRAC, , . 2q 2 = 6, q = 4.

MR = LRMC. 10 - 2q = 2q 2. 4q = 12, q = 3.

, ( ) 4 . , 3 . . , , 1 . .

 

 

1. QL , L, L . .

ql   L   L  
     
     

 

QL = 2.

 

, :

E(Q) L= L / L= 10/4 = 2,5

2. 10% . , 100 1000 ? , 20%?

 

, :

NPV= 100/(1 + 0.1) + 100/(1 + 0.1) 2 + 100/(1 + 0.1)3:+ 100/(1 +0.1)4 + 100/(1 + 0.1) 5 +1000 = 1379,08.

, :

NPV = 100/(1 + 0,2) + 100/(1 + 0.2)2 + 1001 + 0,2)3 + 100/(1 + + 0,2)4 + 100/(1 + 0.2)5 + 1000 = 1 299,06.

 

1. 6 . . , 700 . , 300 . .

 

, . 1050 ./ (1,5 700 .), 450 ./ (1,5 300 .), 1500 .

. . , , , . , . 300 . 450 . , 700 ./, , 3 300 = 900. 700 1,5 = 1050. , 700 . (1,5 700) + (1,5 700) = 2100 ., (1500 .), . , , .

 

1. . . , , = 100 - Q, - , a Q 200 ?

, , , MR = .

MR = 120 2Q, TR = PQ = I20Q Q2.

, 60 . 120 2Q = 0, Q = 60.

60. = 120 0, = 60.

TR = PQ = 60 60 =3600, a

= TR - = 3600 - 200 = 3400.

, , , . , .

 





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