, , : (. 7.11).
P1AQ1 Q1 ; P2BQ2 Q2 .
Q1 Q2 FBQ2Q1 1F2.
, , , , - ( ), - ( - ).
: . , , .
, , , n n+1 , (MR). MR , MR D, .
. , , = - bQ, TR = x Q = aQ - bQ2, MR = - 2bQ. , MR<P, . 7.12.
. 7.11.
, , (MR), . , : TR = P´Q= (1) ´ (P) = P. , , , .
.7.12. ,
, 10 000 400 . . , 1 0,01 . . , 399,99 . ., . :
MR = 399,99 ´ 10001 400 ´ 10000 = 300 ..
MR P :
(7.1)
. 7.12, (MR>0), , . (MR<0), , . , MR = 0 (eD = 1). .