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Profitmax
- 1. Profit Maximisation under Perfect Competition and Monopoly
- 4. Features of the four market structures
- 5. Features of the four market structures
- 6. Features of the four market structures
- 7. Features of the four market structures
- 8. Features of the four market structures
- 9. Features of the four market structures
- 13. Short-run equilibrium of industry and firm under perfect competition O £ (b) Firm Q (thousands) O (a) Industry P Q (millions) Q e S D P e MC AR D = AR = MR AC AC
- 14. Loss minimising under perfect competition O O (a) Industry P £ Q (millions) S D (b) Firm Q (thousands) Q e P 1 D 1 = AR 1 = MR 1 AR 1 MC AC AC
- 15. Short-run shut-down point O O (a) Industry P £ Q (millions) S (b) Firm MC AC Q (thousands) D 2 P 2 AR 2 D 2 = AR 2 = MR 2 AVC
- 18. Long-run equilibrium under perfect competition O O P £ Q (millions) Q L Q (thousands) New firms enter Supernormal profits Profits return to normal (a) Industry (b) Firm S 1 D LRAC P L P 1 S e AR 1 D 1 AR L D L
- 20. Long-run equilibrium of the firm under perfect competition £ Q O (SR)AC (SR)MC LRAC AR = MR D L LRAC = (SR)AC = (SR)MC = MR = AR
- 25. Concentration ratios in the UK
- 28. AR and MR curves for a monopoly Q (units) 1 2 3 4 5 6 7 P =AR (£) 8 7 6 5 4 3 2 AR AR, MR (£) Quantity
- 29. AR and MR curves for a monopoly Q (units) 1 2 3 4 5 6 7 P =AR (£) 8 7 6 5 4 3 2 TR (£) 8 14 18 20 20 18 14 MR (£) 6 4 2 0 -2 -4 MR AR, MR (£) Quantity AR
- 31. Profit maximising under monopoly £ Q O Q m MR MC
- 33. Profit maximising under monopoly £ Q O Q m MR MC
- 34. Profit maximising under monopoly £ Q O MC Q m MR AC AR AC AR
- 35. Profit maximising under monopoly £ Q O MC AC Q m MR AR AR AC Total profit
- 38. Equilibrium of industry under perfect competition and monopoly: with the same MC curve £ Q O Q 1 P 1 Monopoly AR = D MC MR
- 39. Equilibrium of industry under perfect competition and monopoly: with the same MC curve £ Q O MC ( = supply under perfect competition) Q 1 MR P 1 Q 2 AR = D Comparison with Perfect competition P 2
- 42. Equilibrium of industry under perfect competition and monopoly: with different MC curves £ Q O Q 1 MR P 1 MC monopoly AR = D
- 43. Equilibrium of industry under perfect competition and monopoly: with different MC curves £ Q O MC ( = supply) perfect competition Q 1 MR P 1 P 2 Q 2 MC monopoly AR = D x Q 3 P 3