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  1. Preface
  2. 1 Welcome to Economics!
    1. Introduction
    2. 1.1 What Is Economics, and Why Is It Important?
    3. 1.2 Microeconomics and Macroeconomics
    4. 1.3 How Economists Use Theories and Models to Understand Economic Issues
    5. 1.4 How To Organize Economies: An Overview of Economic Systems
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
  3. 2 Choice in a World of Scarcity
    1. Introduction to Choice in a World of Scarcity
    2. 2.1 How Individuals Make Choices Based on Their Budget Constraint
    3. 2.2 The Production Possibilities Frontier and Social Choices
    4. 2.3 Confronting Objections to the Economic Approach
    5. Key Terms
    6. Key Concepts and Summary
    7. Self-Check Questions
    8. Review Questions
    9. Critical Thinking Questions
    10. Problems
  4. 3 Demand and Supply
    1. Introduction to Demand and Supply
    2. 3.1 Demand, Supply, and Equilibrium in Markets for Goods and Services
    3. 3.2 Shifts in Demand and Supply for Goods and Services
    4. 3.3 Changes in Equilibrium Price and Quantity: The Four-Step Process
    5. 3.4 Price Ceilings and Price Floors
    6. 3.5 Demand, Supply, and Efficiency
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  5. 4 Labor and Financial Markets
    1. Introduction to Labor and Financial Markets
    2. 4.1 Demand and Supply at Work in Labor Markets
    3. 4.2 Demand and Supply in Financial Markets
    4. 4.3 The Market System as an Efficient Mechanism for Information
    5. Key Terms
    6. Key Concepts and Summary
    7. Self-Check Questions
    8. Review Questions
    9. Critical Thinking Questions
    10. Problems
  6. 5 Elasticity
    1. Introduction to Elasticity
    2. 5.1 Price Elasticity of Demand and Price Elasticity of Supply
    3. 5.2 Polar Cases of Elasticity and Constant Elasticity
    4. 5.3 Elasticity and Pricing
    5. 5.4 Elasticity in Areas Other Than Price
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  7. 6 Consumer Choices
    1. Introduction to Consumer Choices
    2. 6.1 Consumption Choices
    3. 6.2 How Changes in Income and Prices Affect Consumption Choices
    4. 6.3 Behavioral Economics: An Alternative Framework for Consumer Choice
    5. Key Terms
    6. Key Concepts and Summary
    7. Self-Check Questions
    8. Review Questions
    9. Critical Thinking Questions
    10. Problems
  8. 7 Production, Costs, and Industry Structure
    1. Introduction to Production, Costs, and Industry Structure
    2. 7.1 Explicit and Implicit Costs, and Accounting and Economic Profit
    3. 7.2 Production in the Short Run
    4. 7.3 Costs in the Short Run
    5. 7.4 Production in the Long Run
    6. 7.5 Costs in the Long Run
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  9. 8 Perfect Competition
    1. Introduction to Perfect Competition
    2. 8.1 Perfect Competition and Why It Matters
    3. 8.2 How Perfectly Competitive Firms Make Output Decisions
    4. 8.3 Entry and Exit Decisions in the Long Run
    5. 8.4 Efficiency in Perfectly Competitive Markets
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  10. 9 Monopoly
    1. Introduction to a Monopoly
    2. 9.1 How Monopolies Form: Barriers to Entry
    3. 9.2 How a Profit-Maximizing Monopoly Chooses Output and Price
    4. Key Terms
    5. Key Concepts and Summary
    6. Self-Check Questions
    7. Review Questions
    8. Critical Thinking Questions
    9. Problems
  11. 10 Monopolistic Competition and Oligopoly
    1. Introduction to Monopolistic Competition and Oligopoly
    2. 10.1 Monopolistic Competition
    3. 10.2 Oligopoly
    4. Key Terms
    5. Key Concepts and Summary
    6. Self-Check Questions
    7. Review Questions
    8. Critical Thinking Questions
    9. Problems
  12. 11 Monopoly and Antitrust Policy
    1. Introduction to Monopoly and Antitrust Policy
    2. 11.1 Corporate Mergers
    3. 11.2 Regulating Anticompetitive Behavior
    4. 11.3 Regulating Natural Monopolies
    5. 11.4 The Great Deregulation Experiment
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  13. 12 Environmental Protection and Negative Externalities
    1. Introduction to Environmental Protection and Negative Externalities
    2. 12.1 The Economics of Pollution
    3. 12.2 Command-and-Control Regulation
    4. 12.3 Market-Oriented Environmental Tools
    5. 12.4 The Benefits and Costs of U.S. Environmental Laws
    6. 12.5 International Environmental Issues
    7. 12.6 The Tradeoff between Economic Output and Environmental Protection
    8. Key Terms
    9. Key Concepts and Summary
    10. Self-Check Questions
    11. Review Questions
    12. Critical Thinking Questions
    13. Problems
  14. 13 Positive Externalities and Public Goods
    1. Introduction to Positive Externalities and Public Goods
    2. 13.1 Why the Private Sector Underinvests in Innovation
    3. 13.2 How Governments Can Encourage Innovation
    4. 13.3 Public Goods
    5. Key Terms
    6. Key Concepts and Summary
    7. Self-Check Questions
    8. Review Questions
    9. Critical Thinking Questions
    10. Problems
  15. 14 Labor Markets and Income
    1. Introduction to Labor Markets and Income
    2. 14.1 The Theory of Labor Markets
    3. 14.2 Wages and Employment in an Imperfectly Competitive Labor Market
    4. 14.3 Market Power on the Supply Side of Labor Markets: Unions
    5. 14.4 Bilateral Monopoly
    6. 14.5 Employment Discrimination
    7. 14.6 Immigration
    8. Key Terms
    9. Key Concepts and Summary
    10. Self-Check Questions
    11. Review Questions
    12. Critical Thinking Questions
  16. 15 Poverty and Economic Inequality
    1. Introduction to Poverty and Economic Inequality
    2. 15.1 Drawing the Poverty Line
    3. 15.2 The Poverty Trap
    4. 15.3 The Safety Net
    5. 15.4 Income Inequality: Measurement and Causes
    6. 15.5 Government Policies to Reduce Income Inequality
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  17. 16 Information, Risk, and Insurance
    1. Introduction to Information, Risk, and Insurance
    2. 16.1 The Problem of Imperfect Information and Asymmetric Information
    3. 16.2 Insurance and Imperfect Information
    4. Key Terms
    5. Key Concepts and Summary
    6. Self-Check Questions
    7. Review Questions
    8. Critical Thinking Questions
    9. Problems
  18. 17 Financial Markets
    1. Introduction to Financial Markets
    2. 17.1 How Businesses Raise Financial Capital
    3. 17.2 How Households Supply Financial Capital
    4. 17.3 How to Accumulate Personal Wealth
    5. Key Terms
    6. Key Concepts and Summary
    7. Self-Check Questions
    8. Review Questions
    9. Critical Thinking Questions
    10. Problems
  19. 18 Public Economy
    1. Introduction to Public Economy
    2. 18.1 Voter Participation and Costs of Elections
    3. 18.2 Special Interest Politics
    4. 18.3 Flaws in the Democratic System of Government
    5. Key Terms
    6. Key Concepts and Summary
    7. Self-Check Questions
    8. Review Questions
    9. Critical Thinking Questions
    10. Problems
  20. 19 The Macroeconomic Perspective
    1. Introduction to the Macroeconomic Perspective
    2. 19.1 Measuring the Size of the Economy: Gross Domestic Product
    3. 19.2 Adjusting Nominal Values to Real Values
    4. 19.3 Tracking Real GDP over Time
    5. 19.4 Comparing GDP among Countries
    6. 19.5 How Well GDP Measures the Well-Being of Society
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  21. 20 Economic Growth
    1. Introduction to Economic Growth
    2. 20.1 The Relatively Recent Arrival of Economic Growth
    3. 20.2 Labor Productivity and Economic Growth
    4. 20.3 Components of Economic Growth
    5. 20.4 Economic Convergence
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  22. 21 Unemployment
    1. Introduction to Unemployment
    2. 21.1 How Economists Define and Compute Unemployment Rate
    3. 21.2 Patterns of Unemployment
    4. 21.3 What Causes Changes in Unemployment over the Short Run
    5. 21.4 What Causes Changes in Unemployment over the Long Run
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  23. 22 Inflation
    1. Introduction to Inflation
    2. 22.1 Tracking Inflation
    3. 22.2 How to Measure Changes in the Cost of Living
    4. 22.3 How the U.S. and Other Countries Experience Inflation
    5. 22.4 The Confusion Over Inflation
    6. 22.5 Indexing and Its Limitations
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  24. 23 The International Trade and Capital Flows
    1. Introduction to the International Trade and Capital Flows
    2. 23.1 Measuring Trade Balances
    3. 23.2 Trade Balances in Historical and International Context
    4. 23.3 Trade Balances and Flows of Financial Capital
    5. 23.4 The National Saving and Investment Identity
    6. 23.5 The Pros and Cons of Trade Deficits and Surpluses
    7. 23.6 The Difference between Level of Trade and the Trade Balance
    8. Key Terms
    9. Key Concepts and Summary
    10. Self-Check Questions
    11. Review Questions
    12. Critical Thinking Questions
    13. Problems
  25. 24 The Aggregate Demand/Aggregate Supply Model
    1. Introduction to the Aggregate Supply–Aggregate Demand Model
    2. 24.1 Macroeconomic Perspectives on Demand and Supply
    3. 24.2 Building a Model of Aggregate Demand and Aggregate Supply
    4. 24.3 Shifts in Aggregate Supply
    5. 24.4 Shifts in Aggregate Demand
    6. 24.5 How the AD/AS Model Incorporates Growth, Unemployment, and Inflation
    7. 24.6 Keynes’ Law and Say’s Law in the AD/AS Model
    8. Key Terms
    9. Key Concepts and Summary
    10. Self-Check Questions
    11. Review Questions
    12. Critical Thinking Questions
    13. Problems
  26. 25 The Keynesian Perspective
    1. Introduction to the Keynesian Perspective
    2. 25.1 Aggregate Demand in Keynesian Analysis
    3. 25.2 The Building Blocks of Keynesian Analysis
    4. 25.3 The Phillips Curve
    5. 25.4 The Keynesian Perspective on Market Forces
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
  27. 26 The Neoclassical Perspective
    1. Introduction to the Neoclassical Perspective
    2. 26.1 The Building Blocks of Neoclassical Analysis
    3. 26.2 The Policy Implications of the Neoclassical Perspective
    4. 26.3 Balancing Keynesian and Neoclassical Models
    5. Key Terms
    6. Key Concepts and Summary
    7. Self-Check Questions
    8. Review Questions
    9. Critical Thinking Questions
    10. Problems
  28. 27 Money and Banking
    1. Introduction to Money and Banking
    2. 27.1 Defining Money by Its Functions
    3. 27.2 Measuring Money: Currency, M1, and M2
    4. 27.3 The Role of Banks
    5. 27.4 How Banks Create Money
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  29. 28 Monetary Policy and Bank Regulation
    1. Introduction to Monetary Policy and Bank Regulation
    2. 28.1 The Federal Reserve Banking System and Central Banks
    3. 28.2 Bank Regulation
    4. 28.3 How a Central Bank Executes Monetary Policy
    5. 28.4 Monetary Policy and Economic Outcomes
    6. 28.5 Pitfalls for Monetary Policy
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  30. 29 Exchange Rates and International Capital Flows
    1. Introduction to Exchange Rates and International Capital Flows
    2. 29.1 How the Foreign Exchange Market Works
    3. 29.2 Demand and Supply Shifts in Foreign Exchange Markets
    4. 29.3 Macroeconomic Effects of Exchange Rates
    5. 29.4 Exchange Rate Policies
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  31. 30 Government Budgets and Fiscal Policy
    1. Introduction to Government Budgets and Fiscal Policy
    2. 30.1 Government Spending
    3. 30.2 Taxation
    4. 30.3 Federal Deficits and the National Debt
    5. 30.4 Using Fiscal Policy to Fight Recession, Unemployment, and Inflation
    6. 30.5 Automatic Stabilizers
    7. 30.6 Practical Problems with Discretionary Fiscal Policy
    8. 30.7 The Question of a Balanced Budget
    9. Key Terms
    10. Key Concepts and Summary
    11. Self-Check Questions
    12. Review Questions
    13. Critical Thinking Questions
    14. Problems
  32. 31 The Impacts of Government Borrowing
    1. Introduction to the Impacts of Government Borrowing
    2. 31.1 How Government Borrowing Affects Investment and the Trade Balance
    3. 31.2 Fiscal Policy and the Trade Balance
    4. 31.3 How Government Borrowing Affects Private Saving
    5. 31.4 Fiscal Policy, Investment, and Economic Growth
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  33. 32 Macroeconomic Policy Around the World
    1. Introduction to Macroeconomic Policy around the World
    2. 32.1 The Diversity of Countries and Economies across the World
    3. 32.2 Improving Countries’ Standards of Living
    4. 32.3 Causes of Unemployment around the World
    5. 32.4 Causes of Inflation in Various Countries and Regions
    6. 32.5 Balance of Trade Concerns
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  34. 33 International Trade
    1. Introduction to International Trade
    2. 33.1 Absolute and Comparative Advantage
    3. 33.2 What Happens When a Country Has an Absolute Advantage in All Goods
    4. 33.3 Intra-industry Trade between Similar Economies
    5. 33.4 The Benefits of Reducing Barriers to International Trade
    6. Key Terms
    7. Key Concepts and Summary
    8. Self-Check Questions
    9. Review Questions
    10. Critical Thinking Questions
    11. Problems
  35. 34 Globalization and Protectionism
    1. Introduction to Globalization and Protectionism
    2. 34.1 Protectionism: An Indirect Subsidy from Consumers to Producers
    3. 34.2 International Trade and Its Effects on Jobs, Wages, and Working Conditions
    4. 34.3 Arguments in Support of Restricting Imports
    5. 34.4 How Governments Enact Trade Policy: Globally, Regionally, and Nationally
    6. 34.5 The Tradeoffs of Trade Policy
    7. Key Terms
    8. Key Concepts and Summary
    9. Self-Check Questions
    10. Review Questions
    11. Critical Thinking Questions
    12. Problems
  36. A | The Use of Mathematics in Principles of Economics
  37. B | Indifference Curves
  38. C | Present Discounted Value
  39. D | The Expenditure-Output Model
  40. Answer Key
    1. Chapter 1
    2. Chapter 2
    3. Chapter 3
    4. Chapter 4
    5. Chapter 5
    6. Chapter 6
    7. Chapter 7
    8. Chapter 8
    9. Chapter 9
    10. Chapter 10
    11. Chapter 11
    12. Chapter 12
    13. Chapter 13
    14. Chapter 14
    15. Chapter 15
    16. Chapter 16
    17. Chapter 17
    18. Chapter 18
    19. Chapter 19
    20. Chapter 20
    21. Chapter 21
    22. Chapter 22
    23. Chapter 23
    24. Chapter 24
    25. Chapter 25
    26. Chapter 26
    27. Chapter 27
    28. Chapter 28
    29. Chapter 29
    30. Chapter 30
    31. Chapter 31
    32. Chapter 32
    33. Chapter 33
    34. Chapter 34
  41. References
  42. Index

Welcome to Principles of Economics 2e (2nd Edition), an OpenStax resource. This textbook was written to increase student access to high-quality learning materials, maintaining highest standards of academic rigor at little to no cost.

About OpenStax

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About Principles of Economics 2e

Principles of Economics 2e (2nd edition) covers the scope and sequence of requirements for a two-semester introductory economics course. The authors take a balanced approach to micro-and macroeconomics, to both Keynesian and classical views, and to the theory and application of economics concepts. The text also includes many current examples, which are handled in a politically equitable way. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters.

Coverage and scope

For the second edition, we received expansive and actionable feedback from hundreds of adopters who had used the book for several academic terms. These knowledgeable instructors informed the pedagogical courses, learning objective development and fulfillment, and the chapter arrangements. Faculty who taught from the material provided critical and detailed commentary.

The result is a book that covers the breadth of economics topics and also provides the necessary depth to ensure the course is manageable for instructors and students alike. We strove to balance theory and application, as well as the amount of calculation and mathematical examples.

The book is organized into eight main parts:

  • What is Economics? The first two chapters introduce students to the study of economics with a focus on making choices in a world of scarce resources.
  • Supply and Demand, Chapters 3 and 4, introduces and explains the first analytical model in economics: supply, demand, and equilibrium, before showing applications in the markets for labor and finance.
  • The Fundamentals of Microeconomic Theory, Chapters 5 through 10, begins the microeconomics portion of the text, presenting the theories of consumer behavior, production and costs, and the different models of market structure, including some simple game theory.
  • Microeconomic Policy Issues, Chapters 11 through 18, covers the range of topics in applied micro, framed around the concepts of public goods and positive and negative externalities. Students explore competition and antitrust policies, environmental problems, poverty, income inequality, and other labor market issues. The text also covers information, risk and financial markets, as well as public economy.
  • The Macroeconomic Perspective and Goals, Chapters 19 through 23, introduces a number of key concepts in macro: economic growth, unemployment and inflation, and international trade and capital flows.
  • A Framework for Macroeconomic Analysis, Chapters 24 through 26, introduces the principal analytic model in macro, namely the aggregate demand/aggregate supply model. The model is then applied to the Keynesian and Neoclassical perspectives. The expenditure-output model is fully explained in a stand-alone appendix.
  • Monetary and Fiscal Policy, Chapters 27 through 31, explains the role of money and the banking system, as well as monetary policy and financial regulation. Then the discussion switches to government deficits and fiscal policy.
  • International Economics, Chapters 32 through 34, the final part of the text, introduces the international dimensions of economics, including international trade and protectionism.

Alternate Sequencing Principles of Economics 2e was conceived and written to fit a particular topical sequence, but it can be used flexibly to accommodate other course structures. One such potential structure, which will fit reasonably well with the textbook content, is provided below. Please consider, however, that the chapters were not written to be completely independent, and that the proposed alternate sequence should be carefully considered for student preparation and textual consistency.

Chapter 1 Welcome to Economics!
Chapter 2 Choice in a World of Scarcity
Chapter 3 Demand and Supply
Chapter 4 Labor and Financial Markets
Chapter 5 Elasticity
Chapter 6 Consumer Choices
Chapter 33 International Trade
Chapter 7 Cost and Industry Structure
Chapter 12 Environmental Protection and Negative Externalities
Chapter 13 Positive Externalities and Public Goods
Chapter 8 Perfect Competition
Chapter 9 Monopoly
Chapter 10 Monopolistic Competition and Oligopoly
Chapter 11 Monopoly and Antitrust Policy
Chapter 14 Poverty and Economic Inequality
Chapter 15 Issues in Labor Markets: Unions, Discrimination, Immigration
Chapter 16 Information, Risk, and Insurance
Chapter 17 Financial Markets
Chapter 18 Public Economy
Chapter 19 The Macroeconomic Perspective
Chapter 20 Economic Growth
Chapter 21 Unemployment
Chapter 22 Inflation
Chapter 23 The International Trade and Capital Flows
Chapter 24 The Aggregate Demand/Aggregate Supply Model
Chapter 25 The Keynesian Perspective
Chapter 26 The Neoclassical Perspective
Chapter 27 Money and Banking
Chapter 28 Monetary Policy and Bank Regulation
Chapter 29 Exchange Rates and International Capital Flows
Chapter 30 Government Budgets and Fiscal Policy
Chapter 31 The Impacts of Government Borrowing
Chapter 32 Macroeconomic Policy Around the World
Chapter 34 Globalization and Protectionism

Appendix A The Use of Mathematics in Principles of Economics
Appendix B Indifference Curves
Appendix C Present Discounted Value
Appendix D The Expenditure-Output Model

Changes to the second edition

OpenStax only undertakes revisions when significant modifications to a text are necessary. In the case of Principles of Economics 2e, we received a wealth of constructive feedback. Many of the book’s users felt that consequential movement in economic data, coupled with the impacts of national and global events, warranted a full revision. We also took advantage of the opportunity to improve the writing and sequencing of the text, as well as many of the calculation examples. The major changes are summarized below.

  • Augmented explanations in chapters one through four provide a more comprehensive and informative foundation for the book.
  • A clearer explanation, using a numerical example, has been given for finding the utility maximizing combination of goods and services a consumer should choose.
  • The Theory of Production has been added to the chapter on costs & industry structure.
  • A more complete treatment has been given to labor markets, including the theories of competitive and monopsonistic labor markets, and bilateral monopoly; and the labor markets chapter and the poverty and economic inequality chapter have been resequenced.
  • Substantial revisions to the AD/AS model in chapters 24-26 present the core concepts of macroeconomics in a clearer, more dynamic manner.
  • Case studies and examples have been revised and, in some cases, replaced to provide more relevant and useful information for students.
  • Economic data, tables, and graphs, as well as discussion and analysis around that data, have been thoroughly updated.

Wherever possible, data from the Federal Reserve Economic Database (FRED) was included and referenced. In most of these uses, links to the direct source of the FRED data are provided, and students are encouraged to explore the information and the overall FRED resources more thoroughly.

Additional updates and revisions appear throughout the book. They reflect changes to economic realities and policies regarding international trade, taxation, insurance, and other topics. For issues that may change in the months or years following the textbook's publication, the authors often provided a more open-ended explanation, but we will update the text annually to address further changes.

The revision of Principles of Economics 2e was undertaken by Steven Greenlaw (University of Mary Washington) and David Shapiro (Pennsylvania State University), with significant input by lead reviewer Daniel MacDonald (California State University, San Bernardino).

Pedagogical foundation

Throughout the OpenStax version of Principles of Economics 2e, you will find new features that engage the students in economic inquiry by taking selected topics a step further. Our features include:

  • Bring It Home: This added feature is a brief case study, specific to each chapter, which connects the chapter’s main topic to the real word. It is broken up into two parts: the first at the beginning of the chapter (in the intro module) and the second at chapter’s end, when students have learned what’s necessary to understand the case and “bring home” the chapter’s core concepts.
  • Work It Out: This added feature asks students to work through a generally analytical or computational problem, and guides them step by step to find out how its solution is derived.
  • Clear It Up: This boxed feature, which includes pre-existing features from Taylor’s text, addresses common student misconceptions about the content. Clear It Ups are usually deeper explanations of something in the main body of the text. Each CIU starts with a question. The rest of the feature explains the answer.
  • Link It Up: This added feature is a very brief introduction to a website that is pertinent to students’ understanding and enjoyment of the topic at hand.

Questions for each level of learning

The OpenStax version of Principles of Economics 2e further expands on Taylor’s original end of chapter materials by offering four types of end of module questions for students:

  • Self-Checks are analytical self-assessment questions that appear at the end of each module. They “click to reveal” an answer in the web view so students can check their understanding before moving on to the next module. Self-Check questions are not simple look-up questions. They push the student to think beyond what is said in the text. Self-Check questions are designed for formative (rather than summative) assessment. The questions and answers are explained so that students feel like they are being walked through the problem.
  • Review Questions have been retained from Taylor’s version, and are simple recall questions from the chapter in open-response format (not multiple choice or true/false). The answers can be looked up in the text.
  • Critical Thinking Questions are new higher-level, conceptual questions that ask students to demonstrate their understanding by applying what they have learned in different contexts. They ask for outside-the-box thinking, for reasoning about the concepts. They push the student to places they wouldn’t have thought of going themselves.
  • Problems are exercises that give students additional practice working with the analytic and computational concepts in the module.

Updated art

Principles of Economics 2e includes an updated art program to better inform today’s student, providing the latest data on covered topics.

Cost Curves at the Clip Joint
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Banks as Financial Intermediaries
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Unemployment Rate by Demographic Group
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About the authors

Senior contributing authors

Steven A. Greenlaw, University of Mary Washington
Steven Greenlaw has been teaching principles of economics for more than 30 years. In 1999, he received the Grellet C. Simpson Award for Excellence in Undergraduate Teaching at the University of Mary Washington. He is the author of Doing Economics: A Guide to Doing and Understanding Economic Research, as well as a variety of articles on economics pedagogy and instructional technology, published in the Journal of Economic Education, the International Review of Economic Education, and other outlets. He wrote the module on Quantitative Writing for Starting Point: Teaching and Learning Economics, the web portal on best practices in teaching economics. Steven Greenlaw lives in Alexandria, Virginia with his wife Kathy and their three children.

David Shapiro, Pennsylvania State University
David Shapiro is Professor Emeritus of Economics, Demography, and Women’s, Gender, and Sexuality Studies at the Pennsylvania State University. He received a BA in economics and political science from the University of Michigan, and an MA as well as a PhD in economics from Princeton University. He began his academic career at Ohio State University in 1971, and moved to Penn State in 1980. His early research focused on women and youth in the United States labor market. Following a 1978-79 stint as a Fulbright professor at the University of Kinshasa in the Democratic Republic of the Congo, his research shifted focus to fertility in Kinshasa and more broadly, in sub-Saharan Africa. He has also received the top prize for teaching at both Ohio State and Penn State.

Special thanks to Christian Potter from University of Mary Washington, who thoroughly researched and applied many of the data updates and provided the foundation for many new and revised illustrations.

Development editor

Thomas Sigel

Contributing authors

Eric Dodge, Hanover College
Cynthia Gamez, University of Texas at El Paso
Andres Jauregui, Columbus State University
Diane Keenan, Cerritos College
Dan MacDonald, California State University San Bernardino
Amyaz Moledina, The College of Wooster
Craig Richardson, Winston-Salem State University
David Shapiro, Pennsylvania State University
Ralph Sonenshine, American University

Reviewers

Bryan Aguiar, Northwest Arkansas Community College
Basil Al Hashimi, Mesa Community College
Emil Berendt, Mount St. Mary's University
Zena Buser, Adams State University
Douglas Campbell, The University of Memphis
Sanjukta Chaudhuri, University of Wisconsin - Eau Claire
Xueyu Cheng, Alabama State University
Robert Cunningham, Alma College
Rosa Lea Danielson, College of DuPage
Steven Deloach, Elon University
Michael Enz, Framingham State University
Debbie Evercloud, University of Colorado Denver
Reza Ghorashi, Stockton University
Robert Gillette, University of Kentucky
Shaomin Huang, Lewis-Clark State College
George Jones, University of Wisconsin-Rock County
Charles Kroncke, College of Mount St. Joseph
Teresa Laughlin, Palomar Community College
Carlos Liard-Muriente, Central Connecticut State University
Heather Luea, Kansas State University
Steven Lugauer, University of Notre Dame
William Mosher, Nashua Community College
Michael Netta, Hudson County Community College
Nick Noble, Miami University
Joe Nowakowski, Muskingum University
Shawn Osell, University of Wisconsin-Superior
Mark Owens, Middle Tennessee State University
Sonia Pereira, Barnard College
Jennifer Platania, Elon University
Robert Rycroft, University of Mary Washington
Adrienne Sachse, Florida State College at Jacksonville
Hans Schumann, Texas A&M University
Gina Shamshak, Goucher College
Chris Warburton, John Jay College of Criminal Justice, CUNY
Mark Witte, Northwestern University

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