π=TR(Q)-TC(Q)
?To maximizeπ ?π’=0and π’’<0?TR(Q)’=TC(Q)’andTR(Q)’’ 经济管理学院 双语教学示范课程 MR(Q)’ 汪艳 经济管理学院 TR,TCTCTR0πQ3Q1Q4Q2Q0QπMCMR,MCBAP=AR=MRC0双语教学示范课程Q122013-7-23 ?Profit maximizationoccurs at the quantity where MR equals MC. ?when MR>MC, increaseproduct. ?when MR decreaseproduct. ?when MR = MC, Profit is maximized. 汪艳 经济管理学院 双语教学示范课程 132013-7-23 The Firm’s Short-Run Decision to Shut Down?Ashutdownrefers to a short-rundecision not to produce anything during a specific period of time because of current market conditions. 汪艳 经济管理学院 双语教学示范课程 142013-7-23 汪艳 经济管理学院 Profit Maximizationand Supply Curvein the short-run?MR(Q)=SMC(Q)?P=MR ?P=SMC双语教学示范课程 152013-7-23 ?