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知道智慧树答案 
1、单选题：
Which is the most accurate statement about trade
选项：
A: Trade can make every nation better off.
B: Trade makes some nations better off and others worse off.
C: Trading for a good can make a nation better off only if the nation cannot produce that good itself.
D: Trade helps rich nations and hurts poor nations.
答案: 【 Trade can make every nation better off.】
2、判断题：
Trade allows each person to specialize in the activities he or she does best, thus increasing each individual’s productivity.
选项：
A: 正确
B: 错误
答案: 【 正确】
1、单选题：
A compensating differential is
选项：
A: a difference in pay due to nonmonetary characteristics of jobs.
B: an high wage paid by employers to entice workers to be more productive.
C: the difference between the quantity of labor supplied and the quantity of labor demanded at the minimum wage.
D: equivalent to a union wage.
答案: 【 a difference in pay due to nonmonetary characteristics of jobs.】
1、单选题：
Because a firm’s demand for a factor of production is derived from its decision to supply a good in the market, it is called a
选项：
A: differentiated demand.
B: secondary demand.
C: derived demand.
D: hybrid demand-supply.
答案: 【 derived demand.】
2、单选题：
Economists refer to the inputs that firms use to produce goods and services as
选项：
A: derived factors.
B: derived resources.
C: factors of production.
D: instruments of revenue.
答案: 【 factors of production.】
1、单选题：
Which of the following topics are more likely to be studied by a macroeconomist than by a microeconomist?
选项：
A: the effect of taxes on the prices of airline tickets, the profitability of automobile-manufacturing firms, and employment trends in the food-service industry
B: the price of beef, wage differences between genders, and antitrust laws
C: how consumers maximize utility, and how prices are established in markets for agricultural products
D: the percentage of the labor force that is out of work, and differences in average income from country to country
答案: 【 the percentage of the labor force that is out of work, and differences in average income from country to country】
2、单选题：
We would expect a macroeconomist, as opposed to a microeconomist, to be particularly interested in( )
选项：
A: explaining how economic changes affect prices of particular goods.
B: devising policies to deal with market failures such as externalities and market power.
C: devising policies to promote low inflation.
D: identifying those markets that are competitive and those that are not competitive.
答案: 【 devising policies to promote low inflation.】
3、判断题：
GDP is the most closely watched economic statistic because it is thought to be the best single measure of a society’s economic well-being.
选项：
A: 正确
B: 错误
答案: 【 正确】
1、单选题：
1.For an economy as a whole, income must equal expenditure because ( )
选项：
A: the number of firms is equal to the number of households in an economy.
B: international law requires that income equal expenditure.
C: every dollar of spending by some buyer is a dollar of income for some seller.
D: every dollar of saving by some consumer is a dollar of spending by some other consumer.
答案: 【 every dollar of spending by some buyer is a dollar of income for some seller.】
2、单选题：
2. In a simple circular-flow diagram, ( )
选项：
A: households spend all of their income.
B: all goods and services are bought by households.
C: expenditures flow through the markets for goods and services, while income flows through the markets for the factors of production.
D: All of the above are correct.
答案: 【 All of the above are correct.】
3、单选题：
3.Which of the following statements about GDP is correct? ( )
选项：
A: GDP measures two things at once: the total income of everyone in the economy and the unemployment rate of the economy’s labor force.
B: Money continuously flows from households to government and then back to households, and GDP measures this flow of money.
C: GDP is to a nation’s economy as household income is to a household.
D: All of the above are correct.
答案: 【 GDP is to a nation’s economy as household income is to a household.】
4、判断题：
4. ( ) An economy’s income is the same as its expenditure because every transaction has a buyer and a seller.
选项：
A: 正确
B: 错误
答案: 【 正确】
1、判断题：
1. ( ) Expenditures by households on education are included in the consumption component of GDP.
选项：
A: 正确
B: 错误
答案: 【 正确】
2、判断题：
2.( ) New home construction is included in the consumption component of GDP.
选项：
A: 正确
B: 错误
答案: 【 错误】
3、判断题：
3. ( ) The government purchases component of GDP includes salaries paid to soldiers but not Social Security benefits paid to the elderly.
选项：
A: 正确
B: 错误
答案: 【 正确】
4、判断题：
4. ( ) If the value of an economy’s imports exceeds the value of that economy’s exports, then net exports is a negative number.
选项：
A: 正确
B: 错误
答案: 【 正确】
1、判断题：
1. ( )Nominal GDP uses constant base-year prices to place a value on the economy’s production of goods and services, while real GDP uses current prices to place a value on the economy’s production of goods and services.
选项：
A: 正确
B: 错误
答案: 【 错误】
2、判断题：
2. ( )If the GDP deflator in 2006 was 160 and the GDP deflator in 2007 was 180, then the inflation rate in 2007 was 12.5%.
选项：
A: 正确
B: 错误
答案: 【 正确】
3、判断题：
3. ( ) The GDP deflator can be used to take inflation out of nominal GDP.
选项：
A: 正确
B: 错误
答案: 【 正确】
4、判断题：
4. ( ) If nominal GDP is $12,000 and the GDP deflator is 80, then real GDP is $15,000.
选项：
A: 正确
B: 错误
答案: 【 正确】
1、单选题：
The relationship between the quantity of output created and the quantity of inputs needed to create it is called( )
选项：
A: the capital accumulation function.
B: technological knowledge.
C: the production function.
D: human capital.
答案: 【 the production function.】
2、单选题：
In a particular production process, if the quantities of all inputs used are increased by 60 percent, then the quantity of output increases by 60 percent as well. This means that ( )
选项：
A: the production process cannot be enhanced by technological advances.
B: no mathematical representation of the relevant production function can be formulated.
C: the relevant production function has the limits-to-growth property.
D: the relevant production function has the constant-returns-to-scale property.
答案: 【 the relevant production function has the constant-returns-to-scale property.】
3、判断题：
If per capita real income grows by 2 percent per year, then it will double in approximate
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