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Managerial Economics Principles v. 1.0 This is the book Managerial Economics Principles (v. 1.0). This book is licensed under a Creative Commons by-nc-sa 3.0 (http://creativecommons.org/licenses/by-nc-sa/ 3.0/) license. See the license for more details, but that basically means you can share this book as long as you credit the author (but see below), don't make money from it, and do make it available to everyone else under the same terms. This book was accessible as of December 29, 2012, and it was downloaded then by Andy Schmitz (http://lardbucket.org) in an effort to preserve the availability of this book. Normally, the author and publisher would be credited here. However, the publisher has asked for the customary Creative Commons attribution to the original publisher, authors, title, and book URI to be removed. Additionally, per the publisher's request, their name has been removed in some passages. 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You can browse or download additional books there. ii Table of Contents Chapter 1: Introduction to Managerial Economics ....................................................... 1 Why Managerial Economics Is Relevant for Managers..............................................................................2 Managerial Economics Is Applicable to Different Types of Organizations..............................................4 The Focus of This Book.................................................................................................................................. 5 How to Read This Book.................................................................................................................................. 6 Chapter 2: Key Measures and Relationships................................................................... 7 Revenue, Cost, and Profit.............................................................................................................................. 8 Economic Versus Accounting Measures of Cost and Profit.....................................................................10 Revenue, Cost, and Profit Functions.......................................................................................................... 12 Breakeven Analysis...................................................................................................................................... 16 The Impact of Price Changes ...................................................................................................................... 18 Marginal Analysis......................................................................................................................................... 22 The Conclusion for Our Students............................................................................................................... 25 The Shutdown Rule...................................................................................................................................... 26 A Final Word on Business Objectives......................................................................................................... 28 Chapter 3: Demand and Pricing....................................................................................... 30 Theory of the Consumer.............................................................................................................................. 31 Is the Theory of the Consumer Realistic?..................................................................................................34 Determinants of Demand............................................................................................................................ 36 Modeling Consumer Demand...................................................................................................................... 39 Forecasting Demand.................................................................................................................................... 41 Elasticity of Demand.................................................................................................................................... 43 Consumption Decisions in the Short Run and the Long Run ..................................................................47 Price Discrimination.................................................................................................................................... 48 Chapter 4: Cost and Production....................................................................................... 51 Average Cost Curves.................................................................................................................................... 52 Long-Run Average Cost and Scale.............................................................................................................. 55 Economies of Scope and Joint Products.....................................................................................................60 Cost Approach Versus Resource Approach to Production Planning......................................................62 Marginal Revenue Product and Derived Demand ....................................................................................64 Marginal Cost of Inputs and Economic Rent.............................................................................................67 Productivity and the Learning Curve ........................................................................................................ 69 iii Chapter 5: Economics of Organization........................................................................... 72 Reasons to Expand an Enterprise............................................................................................................... 73 Classifying Business Expansion in Terms of Value Chains......................................................................74 Horizontal Integration ................................................................................................................................ 76 Vertical Integration..................................................................................................................................... 77 Alternatives to Vertical Integration .......................................................................................................... 78 Conglomerates.............................................................................................................................................. 80 Transaction Costs and Boundaries of the Firm.........................................................................................81 Cost Centers Versus Profit Centers............................................................................................................ 83 Transfer Pricing........................................................................................................................................... 84 Employee Motivation................................................................................................................................... 86 Manager Motivation and Executive Pay....................................................................................................89 Chapter 6: Market Equilibrium and the Perfect Competition Model...................... 91 Assumptions of the Perfect Competition Model.......................................................................................92 Operation of a Perfectly Competitive Market in the Short Run .............................................................93 Perfect Competition in the Long Run ........................................................................................................ 96 Firm Supply Curves and Market Supply Curves.......................................................................................98 Market Equilibrium.................................................................................................................................... 100 Shifts in Supply and Demand Curves....................................................................................................... 102 Why Perfect Competition Is Desirable..................................................................................................... 108 Monopolistic Competition ........................................................................................................................ 112 Contestable Market Model........................................................................................................................ 113 Firm Strategies in Highly Competitive Markets.....................................................................................115 Chapter 7: Firm Competition and Market Structure ................................................ 117 Why Perfect Competition Usually Does Not Happen .............................................................................118 Monopoly.................................................................................................................................................... 120 Oligopoly and Cartels................................................................................................................................. 122 Production Decisions in Noncartel Oligopolies ......................................................................................124 Seller Concentration.................................................................................................................................. 127 Competing in Tight Oligopolies: Pricing Strategies ...............................................................................129 Competing in Tight Oligopolies: Nonpricing Strategies........................................................................132 Buyer Power............................................................................................................................................... 136 iv
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