1. ? 2. ? 3. ? |
, , ; ( ); , ; − ; ; ; |
, ("price − taker" − ) |
, . ------------------------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------------------------- 1. : P*, . 2. d (d = AR = MR): AR = TR/q = (P*×q) / q = P* MR = TR'q = P* 3. TR (MR − const). , : TR = P*× q, P* − const. TR . |
( )
( ) .
:
1) "TR−TC" ( );
2) "MR−MC" ( ).
= TR−TC | , = (TR − TC) max |
1. q1 ─ q3 ( AB) > 0, q2 ( NE): = (TR TC) max 2. A = 0 (TR=TC). : ( < 0). |
= MR ─ MC | , MR = MC P > ATC |
1. MC < MR ( . N) q, MC > MR ( .N) q, MC = MR − max ( . N) 2. MR = MC MR = P → P = MC . 3. : P = MR = ATC → = 0 4. NE = (P ─ ATC) , (P ─ ATC)× q2 − |
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MR = MC = P > ATC |
, (TR−TC)min | , MR = MC (=P) |
1. TC TR : = 0; 2. q2, (TR − TC) min, FC ( NE') | 1. q2 VC FC; 2. NE' = P−ATC ─ ; = q 2×(P−ATC). ( , < 0). |
MR = MC = AVCmin < P < ATCmin |
, , , . | |
P = MC = ATCmin | |
P ≤ AVCmin | |
( ) MC, AVC . | |
1. A: P1 < AVCmin, q = 0 2. A: P1 = AVCmin, FC: 3. B: P2 = ATCmin, = 0: 4. F: P3 > ATCmin, > 0. | |
: S = ΣMC MC: P = MC, . . |
(MC, AVC, ATC) P*, P = MC. |
AVC (ATC) c P | () | |
1. (intramarginal) | P>ATCmin | > 0 |
2. (marginal) | P=ATCmin | ( = 0) |
3. | ) AVCmin< P < ATCmin ) P = AVCmin | ) VC FC; ) = FC. : P ( ); P − ( ) |
4. (exstramarginal) | P < AVCmin |
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