第二章测试1. Fill in the blank for the following: GDP is the value of all ________ produced in a given period.（ ）
A:final goods and services B:none of the above C:final and intermediate goods and services, plus raw materials D:final and intermediate goods and services produced by the private sector only E:all of the above
答案:A
2.Suppose nominal GDP increased in a given year. Based on this information, we know with certainty that （ ）
A:the price level (GDP deflator) has increased. B:real output has increased and the price level has decreased. C:real output has increased. D:either real output or the price level (GDP deflator) have increased. E:real output and the price level (GDP deflator) have both increased.
答案:D
3.A firm's value added equals （ ）
A:its revenue minus its wages. B:its revenue minus its wages and profit. C:its revenue minus its cost of intermediate goods. D:none of the above E:its revenue minus all of its costs.
答案:C
4. Which of the following tends to occur when the unemployment rate increases?（ ）
A:all of the above B:none of the above C:a reduction in the labor force participation rate D:a reduction in the number of discouraged workers E:an increase in the number of employed workers
答案:C
5. Macroeconomists are concerned about changes in the unemployment rate because changes in the unemployment rate provide information about （ ）
A:the state of the economy. B:both A and B C:the welfare of those who are unemployed. D:none of the above
答案:B
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