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發表於2024-12-25
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Chapter 1 introduces you to economics--the study of how theory and positive economics, which investigates what<br >people decide how to use scarce productive resources is, to normative economics, which incorporates subjec-<br >to satisfy material wants. The purpose of this chapter is tive or value-laden views of what ought to be. Many of the<br >to explain the nature of the subject and to describe apparent disagreements among economists are over nor-<br >the methods that economists use to study economic mative policy issues and involve deciding which economic<br >questions, goals for our economy are most important in making the<br > The first section of the chapter describes the three key case for a policy solution.<br >features of the economic perspective. This perspective Clear thinking about economic questions requires that<br >first recognizes that all choices involve costs and that beginning students avoid many pitfalls. Errors of commis-<br >these costs must be involved in an economic decision, sion and omission can occur from bias, loaded terminol-<br >The economic perspective also incorporates the view that ogy, imprecise definitions, fallacies of composition, and<br >to achieve a goal, people make decisions that reflect their causation fallacies. Awareness of these pitfalls will help<br >rational self-interest. The third feature considers that peo- you think more objectively about the economic issues you<br >pie compare marginal benefits against marginal costs will read about throughout this book.<br >when making decisions and will choose the situation<br >where the marginal benefit is greater than the marginal<br >cost. You will develop a better understanding of these<br >features and the meaning of the economic perspective as<br > ~ CHECKLIST<br >you read about the economic issues in this book.<br > As you begin your study Of economics, you might be<br > When you have studied this chapter you should be able to<br >wondering if the work you will do to learn the chapter<br >material is worthwhile. It most certainly is. Knowledge of [] Write a formal definition of economics.<br >economics is important because it is essential for well- [] Describe the three key features of an economic per-<br >informed citizenship and has many practical applications spective.<br >to professional and personal decisions. [] Give examples of the application of an economic per-<br > Economists use two different approaches in investi- spective.<br >gating economic topics--theoretical economics and [] Give two good reasons for studying economics.<br >policy economics. Theoretical economics is the gather- [] Identify the elements of the scientific method.<br >ing of facts, interpretation of them, and the use of them [] Describe theoretical economics.<br >to draw generalizations. Policy economics is the formula- O Distinguish among hypotheses, theories, principles,<br >tion of recommended actions (policies) to be taken to ad- laws, and models.<br >dress specific economic problems. [] Explain what an economic principle is and how eco-<br > A central part of this discussion focuses on theories nomic principles are obtained.<br >and principles in the economic methodology section. Eco- [] Discuss how economic principles are generalizations<br >nomics relies heavily on the scientific method to develop and abstractions.<br >theories and principles to explain the likely effects from [] Explain what the "other things equal" (ceteris paribus)<br >different actions. In essence, these theories and princi- assumption is and why this assumption is employed in<br >pies (and related terms such as hypotheses, laws, and economics.<br >models) are generalizations. They are imprecise and [] Define policy economics.<br >subject to exceptions because economists cannot con- [] List three steps in economic policymaking.<br >duct controlled laboratory experiments to test the validity [] Identify eight economic goals widely accepted in the<br >of the generalizations. Economics is a science, but not an United States and many other nations.<br >exact science. Economic theories and principles are [] Discuss the conflicting or complementary nature of<br >simplifications:.-approximations of a complex world-- economic goals.<br >for analyzing problems in microeconomica and macro- [] Distinguish between macroeconomics and microeco-<br >economics and for finding solutions to these problems, nomics.<br > The choice of an economic policy depends on eco- [] Give examples of positive and normative economics.<br >nomic principles and on the value judgments and weights [] Identify the five pitfalls to objective thinking when given<br >given to economic goals. Here we move from economic examples.<br >
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Study Guide 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024