曼昆經(jīng)濟學原理教案2-全英文chap-資料下載頁
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【正文】 kers may decide to do nothing at all. Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Summary ?Monopolists can raise their profits by charging different prices to different buyers based on their willingness to pay. ?Price discrimination can raise economic welfare and lessen deadweight losses. Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Graphical Review Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Economies of Scale as a Cause of Monopoly... Average total cost Quantity of Output Cost 0 Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Quantity of Output Demand (a) A Competitive Firm’s Demand Curve (b) A Monopolist’s Demand Curve 0 Price 0 Quantity of Output Price Demand Demand Curves for Competitive and Monopoly Firms... Demand and Marginal Revenue Curves for a Monopoly... Quantity of Water Price $11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 1 2 3 4 5 6 7 8 Marginal revenue Demand (average revenue) Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. ProfitMaximization for a Monopoly... Monopoly price Quantity QMAX 0 Costs and Revenue Demand Average total cost Marginal revenue Marginal cost A 1. The intersection of the marginalrevenue curve and the marginalcost curve determines the profitmaximizing quantity... B 2. ...and then the demand curve shows the price consistent with this quantity. Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. The Monopolist’s Profit... Quantity 0 Costs and Revenue Demand Marginal cost Marginal revenue QMAX B Monopoly price E Average total cost D Average total cost C Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. The Market for Drugs... Costs and Revenue Price during patent life Price after patent expires Monopoly quantity Competitive quantity 0 Quantity Demand Marginal cost Marginal revenue Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. The Efficient Level of Output... Price 0 Quantity Marginal cost Demand (value to buyers) Efficient quantity Cost to monopolist Value to buyers Value to buyers Cost to monopolist Value to buyers is greater than cost to seller. Value to buyers is less than cost to seller. The Inefficiency of Monopoly... Quantity 0 Demand Marginal revenue Marginal cost Monopoly price Deadweight loss Efficient quantity Monopoly quantity Price Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. MarginalCost Pricing for a Natural Monopoly... Regulated price Quantity 0 Loss Price Demand Marginal cost Average total cost Average total cost Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Welfare Without Price Discrimination... Deadweight loss Consumer surplus Price 0 Quantity Profit Demand Marginal cost Marginal revenue Quantity sold Monopoly price (a) Monopolist with Single Price Harcourt, Inc. items and derived items copyright 169。 2022 by Harcourt, Inc. Welfare With Price Discrimination... Price 0 Quantity Demand Marginal cost Quantity sold (b) Monopolist with Perfect Price Discrimination Profi
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