培訓(xùn)講義monopolisticcompetition(更新版)
【正文】 nd names. ?Critics of advertising and brand names argue that firms use them to take advantage of consumer irrationality and to reduce petition. 來自 中國(guó)最大的資料庫(kù)下載 Summary ?Defenders argue that firms use advertising and brand names to inform consumers and to pete more vigorously on price and product quality. 來自 中國(guó)最大的資料庫(kù)下載 Graphical Review 來自 中國(guó)最大的資料庫(kù)下載 The Four Types of Market Structure Monopoly Oligopoly Monopolistic Competition Perfect Competition ? Tap water ? Cable TV ? Tennis balls ? Crude oil ? Novels ? Movies ? Wheat ? Milk Number of Firms? Type of Products? Many firms One firm Few firms Differentiated products Identical products 來自 中國(guó)最大的資料庫(kù)下載 Monopolistic Competitors in the Short Run... (a) Firm Makes a Profit Quantity 0 Price Demand MR ATC Profit MC Profit maximizing quantity Price Average total cost 來自 中國(guó)最大的資料庫(kù)下載 Monopolistic Competitors in the Short Run... Quantity 0 Price Demand MR Losses (b) Firm Makes Losses MC ATC Average total cost Loss minimizing quantity Price 來自 中國(guó)最大的資料庫(kù)下載 A Monopolistic Competitor in the Long Run... Quantity Price 0 Demand MR ATC MC Profitmaximizing quantity P=ATC 來自 中國(guó)最大的資料庫(kù)下載 Excess Capacity... Quantity (a) Monopolistically Competitive Firm (b) Perfectly Competitive Firm Quantity Price P = MR (demand curve) MC ATC Price Demand MC ATC Excess capacity Quantity produced Efficient scale P = MC Quantity produced = Efficient scale P 來自 中國(guó)最大的資料庫(kù)下載 Markup Over Marginal Cost... Quantity (a) Monopolistically Competitive Firm (b) Perfectly Competitive Firm Quantity Price P = MC P = MR (demand curve) MC ATC Quantity produced Price Demand Marginal cost MC ATC MR Markup Quantity produced 來自 中國(guó)最大的資料庫(kù)下載 Monopolistic versus Perfect Competition... Quantity (a) Monopolistically Competitive Firm (b) Perfectly Competitive Firm Quantity Price P = MR (demand curve) MC ATC Quantity produced Efficient scale Price Demand MC ATC P = MC Excess capacity Marginal cost Markup MR Quantity produced = Efficient scale
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