文档介绍：petition petition Equilibrium of the firm in the short and long run £ Q O Qs AR = D MC AC MR Short-run equilibrium of the firm under petition Ps ACs Long-run equilibrium of the firm under petition ARL = DL MRL £ Q O QL PL LRAC LRMC petition Comparison with petition (long run) Q2 P2 DL under petition Long run equilibrium of the firm under perfect and petition £ Q O P1 LRAC DL under monopolistic competition Q1