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Lecture 8

Lecture Eighteen: Monopolistic Competition

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Department
Economics
Course
ECON 1000
Professor
George Georgopoulos
Semester
Fall

Description
Lecture Eighteen: Monopolistic Competition December 1, 2011 What is Monopolistic Competition? Monopolistic competition is a market structure in which - A large numbers of firms compete - Each firm produces a differentiated product - Firms compete on product, quality, price and marketing - Firms are free to enter and exit the industry Large Number of Firms The presence of a large number of firms in the market implies - Each firm has only a small market share and therefore has limited market power to influence the price of its product - Each firm is sensitive to the average market price, but no firm pays attention to the actions of others. - No one firm’s actions directly affects the actions of the others - Collusion, or conspiring to fix prices, is impossible. Product Differentiation A firm in monopolistic competition practices product differentiation if the firm makes a product that is slightly different from the products of competing firms. Competing on Quality, Price and Marketing Product differentiation enables firms to compete in three areas: quality, price and marketing. Quality includes design, reliability and service. Because firms produce differentiated products, the demand for each firm’s product is downward sloping - There is a tradeoff between price and quality Because products are differentiated, a firm must market its product - Marketing takes two main firms: advertising and packaging Entry and Exit There are no barriers to entry in monopolistic competition, so firms cannot make an economic profit in the long run. Examples - producers of audio and video equipment, clothing, computers and sporting goods all operate in monopolistic competition. Price and Output in Monopolistic Competition The Firm’s Short-Run Output and Price Decision A firm that has decided the quality of its product and its marketing program produces the profit-maximizing quantity at which its marginal revenue equals its marginal cost. Price is determined from the demand curve for the firm’s product and is the highest price that the firm can charge for the profit-maximizing quantity. Economic Profit in the Short Run The firm in monopolistic competition operates like a single-price monopoly. The firms produces the quantity at which MR equals MC and sells that quantity for the highest possible price. - It earns an economic profit when P > ATC Profit Maximizing Might be Loss Minimizing A firm might incur an economic loss in the short run - At the profit-maximizing quantity, P < ATC is also possibl
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