Economics (McConnell), 18th Edition

Book Preface

Welcome to the eighteenth edition of Economics, the bestselling economics textbook in the world. An estimated 14 million students have used Economics or its companion editions, Macroeconomics and Microeconomics. Economics has been adapted into Australian and Canadian editions and translated into Italian, Russian, Chinese, French, Spanish, Portuguese, and other languages. We are pleased that Economics continues to meet the market test: nearly one out of four U.S. students in principles courses used the seventeenth edition.

A Note about the Cover and New Coauthor

In the tradition of the previous two covers, the cover for this edition includes a photograph of steps. The new edition’s cover is a metaphor for the step-by-step approach that we use to present basic economic principles. It also represents the simplicity, beauty, and power of basic economic models. We have chosen a highly modern photo to reflect the addition of our new coauthor, Sean M. Flynn, who has helped modernize the content of the book from cover to cover. Sean did his undergraduate work at USC, received his Ph.D. from U.C. Berkeley (in 2002), teaches principles at Vassar, and is the author of Economics for Dummies. We are greatly pleased to have Sean working on the text since he shares our commitment to present economics in a way that is understandable to all.

Fundamental Objectives

We have three main goals for Economics:

• Help the beginning student master the principles essential for understanding the economizing problem, specific economic issues, and the policy alternatives.

• Help the student understand and apply the economic perspective and reason accurately and objectively about economic matters.

• Promote a lasting student interest in economics and the economy.

Distinguishing Features

Comprehensive Explanations at an Appropriate Level Economics is comprehensive, analytical, and challenging yet fully accessible to a wide range of students. The thoroughness and accessibility enable instructors to select topics for special classroom emphasis with confidence that students can read and comprehend other independently assigned material in the book. Where needed, an extra sentence of explanation is provided. Brevity at the expense of clarity is false economy.

Fundamentals of the Market System Many economies throughout the world are still making difficult transitions from planning to markets while a handful of other countries such as Venezuela seem to be trying to reestablish government-controlled, centrally planned economies. Our detailed description of the institutions and operation of the market system in Chapter 2 is therefore even more relevant than before. We pay particular attention to property rights, entrepreneurship, freedom of enterprise and choice, competition, and the role of profits because these concepts are often misunderstood by beginning students worldwide.

Early and Full Integration of International Economics We give the principles and institutions of the global economy early treatment. Chapter 5 examines the growth of world trade and its major participants, specialization and comparative advantage, the foreign exchange market, tariffs and subsidies, and various trade agreements. This strong introduction to international economics permits “globalization” of later discussions in both the micro and the macro chapters. Then, we delve into the more difficult, graphical analysis of international trade and finance in Chapters 37 and 38.

Early and Extensive Treatment of Government Government is an integral component of modern capitalism. This book introduces the economic functions of government early and accords them systematic treatment in Chapter 4. Chapter 16 examines public goods and externalities in further detail, and Chapter 17 looks at salient facets of public choice theory and taxation. Both the micro and the macro sections of the text include issue- and policy-oriented chapters.

Stress on the Theory of the Firm We have given much attention to microeconomics in general and to the theory of the firm in particular, for two reasons. First, the concepts of microeconomics are difficult for most beginning students; abbreviated expositions usually compound these difficulties by raising more questions than they answer. Second, we wanted to couple analysis of the various market structures with a discussion of the impact of each market arrangement on price, output levels, resource allocation, and the rate of technological advance.

Step-by-Step, Two-Path Macro As in the previous edition, our macro continues to be distinguished by a systematic step-by-step approach in developing ideas and building models. Explicit assumptions about price and wage stickiness are posited and then systematically peeled away, yielding new models and extensions, all in the broader context of growth, expectations, shocks, and degrees of price and wage stickiness over time. In crafting this step-by-step macro approach, we took care to preserve the “two-path macro” that many instructors appreciated. Instructors who so choose can bypass the immediate short-run model (Chapter 28) and can proceed without loss of continuity directly to the short-run AD-AS model (Chapter 29), fiscal policy, money and banking, monetary policy, and the long-run analysis.

Emphasis on Technological Change and Economic Growth This edition continues to emphasize economic growth. Chapter 1 uses the production possibilities curve to show the basic ingredients of growth. Chapter 25 explains how growth is measured and presents the facts of growth. It also discusses the causes of growth, looks at productivity growth, and addresses some controversies surrounding economic growth. Chapter 25’s Last Word examines the rapid economic growth in China. Chapter 39Web focuses on developing countries and the growth obstacles they confront. Chapter 11Web provides an explicit and cohesive discussion of the microeconomics of technological advance, including topics such as invention, innovation, and diffusion; start-up firms; R&D decision making; market structure and R&D effort; and creative destruction.

Focus on Economic Policy and Issues For many students, the micro chapters on antitrust, agriculture, income inequality, health care, and immigration, along with the macro chapters on fiscal policy and monetary policy, are where the action is centered. We guide that action along logical lines through the application of appropriate analytical tools. In the micro, we favor inclusiveness; instructors can effectively choose two or three chapters from Part 5.

Integrated Text and Web Site Economics and its Web site are highly integrated through in-text Web buttons, Web-based end-of-chapter questions, bonus Web chapters, multiple-choice self-tests at the Web site, math notes, and other features. Our Web site is part and parcel of our student learning package, customized to the book.

The in-text Web buttons (or indicators) merit special mention. Three differing colors of rectangular indicators appear throughout the book, informing readers that complementary content on a subject can be found at our Web site, www.glencoe.com/mcconnell18. The indicator types are:

Worked Problems Written by Norris Peterson of Pacific Lutheran University (WA), these pieces consist of side-by-side computational questions and computational procedures used to derive the answers. In essence, they extend the textbook’s explanation involving computations—for example, of real GDP, real GDP per capita, the unemployment rate, the inflation rate, per-unit production costs, economic profit, and more. From a student’s perspective, they provide “cookbook” help for problem solving.

Interactive Graphs These pieces (developed under the supervision of Norris Peterson) depict 30 major graphs and instruct students to shift the curves, observe the outcomes, and derive relevant generalizations. This hands-on graph work will greatly reinforce the graphs and their meaning.

Origin of the Ideas These pieces, written by Randy Grant of Linfield College (OR), are brief histories of 70 major ideas identified in the book. They identify the particular economists who developed ideas such as opportunity costs, equilibrium price, the multiplier, comparative advantage, and elasticity.

Organizational Alternatives

Although instructors generally agree on the content of principles of economics courses, they sometimes differ on how to arrange the material. Economics includes 10 parts, and thus provides considerable organizational flexibility.

We do chose to move from microeconomics to macroeconomics because this is consistent with how contemporary economists view the direction of linkage between the two components. The introductory material of Part 1, however, can be followed immediately by the macroanalysis of Parts 6 and 7. Similarly, the two-path macro enables covering the full aggregate expenditures model or advancing directly from the basic macro relationships chapter to the AD-AS model.

Some instructors will prefer to intersperse the microeconomics of Parts 3 and 4 with the problems chapters of Part 5. Chapter 19 on agriculture may follow Chapter 9 on pure competition; Chapter 18 on antitrust and regulation may follow Chapters 10, 11, and 11Web on imperfect competition models and technological advance. Chapter 22 on immigration may follow Chapter 13 on wages; and Chapter 20 on income inequality may follow Chapters 13 and 14 on distributive shares of national income.

Instructors who teach the typical two-semester course and feel comfortable with the book’s organization will find that, by putting Parts 1 to 5 in the first semester and Parts 6 to 10 in the second, the material is divided logically between the two semesters.

Acknowledgments

We give special thanks to Norris Peterson of Pacific Lutheran University and Randy Grant of Linfield College, who created the “button” content on our Web site. We again thank James Reese of the University of South Carolina at Spartanburg, who wrote the original Internet exercises. Although many of those questions were replaced or modified in the typical course of revision, several remain virtually unchanged. We also thank Nora Underwood at the University of Central Florida for updating the PowerPoint slides for the eighteenth edition and Darlene DeVera of Deanza College for the Narrated PowerPoint presentations. Shawn Knabb of Western Washington University deserves a great thanks for updating the Instructor’s Manual as well as for accuracy checking the many parts making up 18e and the ancillaries. Thanks to Mohammad Bajwa of Northampton Community College, who accuracy checked both Test Banks I and II, and to Benjamin Pappas, who updated the art in both Test banks. Finally, we thank William Walstad and Tom Barbiero (the coauthor of our Canadian edition) for their helpful ideas and insights.

We are greatly indebted to an all-star group of professionals at McGraw-Hill—in particular Douglas Reiner, Elizabeth Clevenger, Harvey Yep, Melissa Larmon, and Brent Gordon—for their publishing and marketing expertise.

We thank Keri Johnson for her selection of the Consider This and Last Word photos and Cara Hawthorne for the design.

The eighteenth edition has benefited from a number of perceptive formal reviews. The contributors, listed at the end of the Preface, were a rich source of suggestions for this revision. To each of you, and others we may have inadvertently overlooked, thank you for your considerable help in improving Economics.

Stanley L. Brue

Sean M. Flynn

Campbell R. McConnell

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