- (). , .
(D), 5.1, , (DD) , . (DD) , . , , , . .. (DD) (. 7.5), () .
(TR) (TR = P Q) 7.1.
(average revenue, AR) ; :
7.8
7.8 , , (AR) (Q), (DD) .
(marginal revenue, MR) , ; :
7.9
, , . (P = AR = MR) (. 7.3) (DD) (), (AR) (MR) (. 7.5).
(TR) (. 7.3) , (TR) , (. 7.5).
7.3
(TR), (AR) (MR)
1 , (. .) | , Q () | , TR (. .) | , AR (. . ) | , MR (. . ) |
|
|
. 7.5. (), (DD), (AR),
(MR), (TR)
- , . - , . .. . ( , ). - , (MR) () (. 7.4) (MR) (DD) - (. 7.6). (TR) - , , , TR = P Q, Q 0 Q 0 (. 7.4, . 7.6).
7.4
(TR), (AR) (MR)
1 , ( .) | , Q (.) | , TR ( .) | , AR ( . ) | , MR ( . ) |
- | - (160 - 0) / (1 0) = 160 (280 160) / (2 1) = 120 (360 - 180) / (3 - 2) = 80 (400 - 360) / (4 - 3) = 40 (400 - 400) / (5 - 4) = 0 (360 - 400) / (6 - 5) = -40 (280 - 360) / (7 - 6) = -80 (160 - 280) / (8 7) = -120 (0 160) / (9 8) = -160 |
)
. 7.6. (), (DD), (AR),
(MR), (TR)
. 7.6. , - , , .
, , , -. , -, , , -, , .