Exam 1: Ten Principles of Economics

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It costs a company $35,000 to produce 500 graphing calculators. The company's cost will be $35,080 if it produces an additional graphing calculator. If the company produces 501 graphing calculators then

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If an externality is present in a market, economic efficiency may be enhanced by

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The slow growth of U.S. incomes during the 1970s and 1980s can best be explained by

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For most students, the largest single cost of a college education is

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A barber currently cuts hair for 50 clients per week and earns a profit. He is considering expanding his operation in order to serve more clients. Should he expand?

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It once took 90 percent of our population to grow our food. It now takes only 3 percent of the population to grow our food. Which of the following statements is true?

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Resources are

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Olivia was accepted by Northwestern and by another university. She is trying to decide where to go. Which of the following should influence her decision?

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Invisible hand is a term used by the economist to describe how the decisions of households and firms lead to desirable market outcomes.

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Economists use the term to refer to an increase in the overall level of prices in the economy.

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For a college student who wishes to calculate the true costs of going to college, the costs of room and board

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Inflation is the primary determinant of a country's living standards.

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Productivity is defined as the quantity of goods and services produced from each unit of labor input.

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Barb's aunt gave her $100 for her birthday with the condition that Barb buy herself something. In deciding how to spend the money, Barb narrows her options down to four choices: Option A, Option B, Option C, and Option D. Each option costs $100. Finally she decides on Option B. The opportunity cost of this decision is

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Market failure is the ability of a single person to have a substantial influence on market prices.

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Benefits from trade would not include

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Which of the following statements best characterizes a basic difference between market economies and centrally- planned economies?

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Efficiency means everyone in the economy should receive an equal share of the goods and services produced.

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