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In 2014, according to U.S.Energy Information Administration data, which of the following sources of energy contributed the largest share to U.S.electricity generation?


A) petroleum
B) nuclear
C) hydropower
D) natural gas

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

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The total cost of extracting and selling a resource in a given year is the sum of the extraction cost and user cost.

A) True
B) False

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Commercially run forestry companies that have secure property rights over their trees


A) harvest them as soon as possible and replant them when they are harvested.
B) harvest them as soon as possible and do not replant them when they are harvested.
C) do not harvest them as soon as possible and do replant them when they are harvested.
D) do not harvest them as soon as possible and do not replant them when they are harvested.

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

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Which of the following policies has succeeded in reducing fishery catch sizes without creating an "arms race" among fishers?


A) limiting the length of the catch season
B) limiting the number of boats allowed in a given area
C) limiting catch size (TAC)
D) issuing individual transferable quotas (ITQs)

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

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According to Paul Ehrlich's 1968 prediction in The Population Bomb, population growth would result in


A) overuse of natural resources, leading to famines.
B) stable uses of natural resources, creating long-term stability.
C) efficient use of natural resources, fostering prosperity.
D) reduced dependence on natural resources, leading to growth.

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

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The total fertility rate necessary to keep the population constant is approximately equal to


A) 1.0.
B) 1.5.
C) 2.1.
D) 3.0.

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

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The price of harvesting a renewable resource does not affect when or how much of a renewable resource will be harvested.

A) True
B) False

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Commodity-pricing data from The Economist show a dramatic long-run decline in 25 important real commodity prices from 1850 to 2015.This decline primarily occurred because the


A) demand for commodities decreased drastically.
B) supply of commodities grew faster than demand.
C) demand for commodities has remained stable over the years.
D) supply of commodities increased, while demand increased even more.

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

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Which of the following best describes the typical growth pattern of trees for logging?


A) Trees grow slowly at first, then grow exponentially until cut down.
B) Trees grow quickly at first, then continue to grow at a declining rate.
C) Trees grow quickly at first, then plateau for a time before resuming an exponential growth pattern.
D) Trees grow slowly at first, quickly in the middle years, and then at a diminishing rate into old age.

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

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Electricity generating plants with low fixed costs tend to have high operating costs.

A) True
B) False

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A fishery collapse occurs when the


A) fishery goes out of business.
B) fishery is taken over by a government agency.
C) fishery's population is harvested at a higher rate than it reproduces.
D) fishery's population reproduces at a higher rate than it's harvested.

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

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If property rights are weak or uncertain, resource extraction will tend to


A) occur faster than the rate that would maximize the long-run stream of profits.
B) occur slower than the rate that would maximize the long-run stream of profits.
C) occur at the rate that would maximize the long-run stream of profits.
D) stop.

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

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The cost of not being able to extract and sell a nonrenewable resource in the future (because it is being extracted in the present) is known by natural resource economists as the


A) extraction cost.
B) future cost.
C) conservation cost.
D) user cost.

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

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Which of the following would cause the present optimal extraction level of a nonrenewable resource to fall?


A) a reduction in extraction costs
B) a reduction in user costs
C) a reduction in total costs
D) a reduction in the price of the resource

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

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Which of the following policies has succeeded in reducing fishery catch sizes?


A) limiting the length of the catch season
B) limiting the number of boats allowed in a given area
C) limiting catch size (TAC)
D) All of the other possible answers are correct.

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

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A BTU is the amount of energy needed to


A) raise the temperature of one pound of water by one degree Fahrenheit.
B) boil one gallon of water for one minute.
C) raise the air temperature one degree Celsius for one hour.
D) raise the temperature of one pint of water by one degree Celsius.

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

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According to data from the UN Food and Agriculture Organization, which of the following nations had the fastest growing area of forested land in the period 2010-2015?


A) Brazil
B) United States
C) Nigeria
D) Iceland

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

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Malthus argued that any increase in living standards would cause a decrease in population growth.

A) True
B) False

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Efficient energy usage in electricity generation often involves using a mix of energy inputs, some of which are much more expensive than others.

A) True
B) False

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To control production costs in the face of huge intraday fluctuations in electricity demand, electricity companies often


A) operate all plants at full capacity.
B) operate all plants at less than full capacity.
C) produce at several plants with different operating costs.
D) produce at one plant with the lowest possible operating cost.

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

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