Exam 1: The Nature of Economics

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If people make their choices rationally,then

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When a graph is used to show a cause-and-effect relationship,the combinations of y and x values plotted on the curve must satisfy the ________ condition.

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"If A occurs then B will be the result" is a ________ statement.

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An economist who says "assume that the price of pizza rises" means

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Which of the following statements is an example of a positive economic statement?

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The most basic concept in economics is

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One of the benefits claimed for projects such as the Olympic Games is their "economic impact" or the dollar value of direct spending on the games plus indirect spending by people whose incomes result from the original expenditures,the incomes generated by that second round of spending,and so on.Focusing on opportunity cost concepts,explain why these expenditures should be viewed as costs rather than benefits.

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Figure 1A-1 Slopes Figure 1A-1 Slopes   -In Figure 1A-1,the lines passing through points A and B both have -In Figure 1A-1,the lines passing through points A and B both have

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Economists assume people behave rationally.Rationality means that people

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When a particular choice is being considered,its opportunity cost is

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Explain how economic models can be useful even if some of their assumptions seem to be unrealistic.

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The concept of marginal cost refers to ________.

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The assumption that "all other things remain constant" is also known as the

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The primary goal of economics is to understand

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A line with a positive slope shows a relationship in which

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A widely accepted socio-economic goal is

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In producing goods and services,trade-offs exist between different items because

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Canadians have been spending more time on line each year.One change we can be sure has resulted is

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If a government wishes to make the best use of its resources in combatting smuggling,it must

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Economic models

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