MBMC Copyright c 2004 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 6: Perfectly Competitive Supply Slide 1 Profit-Maximizing Firms in.

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MBMC Copyright c 2004 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 6: Perfectly Competitive Supply Slide 1 Profit-Maximizing Firms in Perfectly Competitive Markets Profit Maximization Profit  Total Revenue - All Costs (explicit & implicit)  Profit-Maximizing Firms oGoal of the firm is to maximize the difference between total revenues and total costs

MBMC Copyright c 2004 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 6: Perfectly Competitive Supply Slide 2 Profit-Maximizing Firms in Perfectly Competitive Markets The Perfectly Competitive Market A market in which no individual supplier has significant influence on the market price of the product A Price Taker A firm that has no influence over the price at which it sells its product

MBMC Copyright c 2004 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 6: Perfectly Competitive Supply Slide 3 Profit-Maximizing Firms in Perfectly Competitive Markets The Characteristics of Perfect Competition 1.All firms sell the same standardized product. 2.The market has many buyers and sellers, each of which buys or sells only a small fraction of the total quantity exchanged.

MBMC Copyright c 2004 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 6: Perfectly Competitive Supply Slide 4 Profit-Maximizing Firms in Perfectly Competitive Markets The Characteristics of Perfect Competition 3.Productive resources are mobile 4.Buyers and sellers are well informed.

MBMC Copyright c 2004 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 6: Perfectly Competitive Supply Slide 5 The Demand Curve Facing a Perfectly Competitive Firm P0P0 Q0Q0 S D Market Quantity (units/month) Price ($/unit) Market supply and demand

MBMC Copyright c 2004 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 6: Perfectly Competitive Supply Slide 6 DiDi P0P0 The Demand Curve Facing a Perfectly Competitive Firm Price ($/unit) Individual Firm’s Quantity (units/month) Individual firm demand