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Because of its vast oil reserves, Saudi Arabia is a rich country. Saudi Arabia exemplifies the general fact that differences in are responsible for some of the differences in standards of living around the world.

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Because of , an increase in the saving rate leads to higher growth of income and productivity only for a while.

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John and Miguel are fishermen. When they go fishing, John consistently catches 2 or 3 fish per hour, while Miguel consistently catches 5 or 6 fish per hour. Miguel's exceeds that of John.

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Daniel owns a coffee kiosk. All of his employees work 8 hours per day. In 2011, he employed 6 people who produced a total of 912 cups of coffee each day. In 2012, he hired a seventh employee and production increased to 1008 cups of coffee each day. In Daniel's kiosk, productivity


A) increased by about 10.5 percent
B) increased by 9.5 percent
C) decreased by about 5.6 percent
D) decreased by about 5.3 percent

E) All of the above
F) B) and D)

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Both Arnold and Will work 10 hours a day. Arnold can produce six baskets of goods per hour while Will can produce four baskets of the same goods per hour. It follows that Arnold's


A) productivity is greater than Will's.
B) output is greater than Will's.
C) standard of living is higher than Will's.
D) All of the above are correct.

E) B) and C)
F) None of the above

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A certain production process requires only two types of inputs - capital and labor. In 2006, 100 units of labor and 50 units of capital were employed, and 100 units of output were produced. In 2013, 112 units of labor and 56 units of capital were employed. If the production process displays constant returns to scale, then how many units of output were produced in 2013?


A) 100
B) 112
C) 124
D) 144

E) None of the above
F) A) and C)

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One reason that governments may find it useful to sponsor universities and basic research is that to a large extent knowledge is generally a private good.

A) True
B) False

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In the United States over the past century, real GDP per person has grown by about percent per year.

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2 (or, mor...

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Figure 25-1 Figure 25-1   -Refer to Figure 21-1.  When the amount of capital per worker increases by one unit, a poor country experiences a greater benefit than does a rich country.  Does the figure illustrate this notion? Briefly explain. -Refer to Figure 21-1. "When the amount of capital per worker increases by one unit, a poor country experiences a greater benefit than does a rich country." Does the figure illustrate this notion? Briefly explain.

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Yes, the bowed-out (concave) n...

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Which of the following statements is true?


A) Natural resources per worker influence productivity only when those natural resources are renewable.
B) The prices of most natural resources are stable or falling relative to other prices.
C) Technology requires greater use of natural resources.
D) The terms human capital and technological knowledge are used interchangeably.

E) A) and B)
F) C) and D)

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If a country made it easier for people to establish and prove the ownership of their property, real GDP per person would likely rise.

A) True
B) False

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In a market economy, the real, or inflation-adjusted, price of a resource measures its


A) contribution to revenue.
B) relative scarcity.
C) productivity.
D) contribution to efficiency.

E) A) and B)
F) A) and C)

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Suppose a person receives an education in her home country. Which of the following will tend to make the increase in GDP of the person's home country larger than the increase in this person's income?


A) externalities and brain drain
B) externalities but not brain drain
C) brain drain but not externalities
D) neither externalities nor brain drain

E) None of the above
F) All of the above

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Figure 25-1. On the horizontal axis, K/L represents capital (K) per worker (L) . On the vertical axis, Y/L represents output (Y) per worker (L) . Figure 25-1. On the horizontal axis, K/L represents capital (K)  per worker (L) . On the vertical axis, Y/L represents output (Y)  per worker (L) .   -Refer to Figure 25-1. The shape of the curve is consistent with which of the following statements about the economy to which the curve applies? A)  In the long run, a higher saving rate leads to a higher level of productivity. B)  In the long run, a higher saving rate leads to a higher level of income. C)  In the long run, a higher saving rate leads to neither a higher growth rate of productivity nor a higher growth rate of income. D)  All of the above are correct. -Refer to Figure 25-1. The shape of the curve is consistent with which of the following statements about the economy to which the curve applies?


A) In the long run, a higher saving rate leads to a higher level of productivity.
B) In the long run, a higher saving rate leads to a higher level of income.
C) In the long run, a higher saving rate leads to neither a higher growth rate of productivity nor a higher growth rate of income.
D) All of the above are correct.

E) All of the above
F) A) and B)

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When a country removes trade barriers and imports appliances and exports engineering services,


A) its growth slows.
B) its productivity decreases.
C) it is essentially transforming engineering services into appliances.
D) its economic well-being decreases while that of the country that sells appliances increases.

E) A) and B)
F) A) and C)

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The behavior of market prices over time indicates that natural resources are


A) a limit to economic growth.
B) unrelated to economic growth.
C) not a limit to economic growth.
D) the major determinant of productivity.

E) All of the above
F) A) and D)

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What is the relationship between education and human capital?

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Education ...

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Suppose that there are diminishing returns to capital. Suppose also that two countries are the same except one has more capital per worker and so it has more real GDP per worker than the other. Finally, suppose that the saving rate in both countries increases from 4 percent to 7 percent. Over the next ten years we would expect that


A) the growth rate will not change in either country.
B) the country that started with less capital per worker will grow faster.
C) the country that started with more capital per worker will grow faster.
D) both countries will grow and at the same higher rate.

E) B) and C)
F) A) and C)

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In the past there have been violent protests against the World Bank and the World Trade Organization. The protesters argued that these institutions promote free trade and also encourage corporations in rich countries to invest in poor countries. The protesters contended that these practices make rich countries richer and poor countries poorer. An economist would


A) disagree with the protesters because these practices will help make both rich and poor countries richer.
B) disagree with the protesters about free trade, but would agree with the protesters about corporate investment.
C) disagree with the protesters about corporate investment, but would agree with the protesters about free trade.
D) agree with the protesters.

E) A) and C)
F) B) and C)

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Other things the same, which of the following would increase productivity?


A) an increase in either human or physical capital
B) an increase in human capital but not an increase in physical capital
C) an increase in physical capital but not an increase in human capital
D) neither an increase in human capital nor an increase in physical capital

E) All of the above
F) A) and B)

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