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To achieve economic efficiency in energy use, an economy


A) often uses a variety of energy sources.
B) must use the single energy source in which it can achieve economies of scale.
C) should use all energy sources in equal proportion.
D) should use only domestically produced energy.

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If energy use per capita in developed countries had leveled off, while GDP per capita had risen, then it must mean that


A) energy efficiency had risen.
B) energy efficiency had fallen.
C) the energy-use-to-GDP ratio had risen.
D) the GDP-to-energy-use ratio had fallen.

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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.

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An oil company has the opportunity to extract oil from a reserve in three years with a per barrel profit of $70 per barrel. The current market rate of interest is 4 percent. The present value of this future extraction is about


A) $55.
B) $62.
C) $70.
D) $72.

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Total allowable catch (TAC)


A) explicitly limits the number of days in a season that particular fish may be caught.
B) explicitly limits the number of boats allowed to fish in a particular area.
C) explicitly limits the number or tonnage of fish that can be harvested from a particular fishery.
D) issues tradable permits limiting the number of fish a particular fisher can catch.

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Most developed countries have fertility rates less than 2.1.

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Which of the following is true about U.S. energy consumption and per capita real GDP since 1990?


A) Per capita energy consumption and per capita real GDP have both risen.
B) Per capita energy consumption has fallen, while per capita real GDP has risen.
C) Per capita energy consumption and per capita real GDP have both fallen.
D) Per capita consumption of energy has been unchanged, while per capita real GDP has risen.

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Solar energy, forests, fish, and oil are all examples of


A) renewable resources.
B) capital resources.
C) tangible resources.
D) natural resources.

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In recent years, per capita energy use in developed countries such as the United States has


A) increased.
B) decreased.
C) leveled off.
D) increased and then decreased.

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The total allowable catch (TAC) system differs from the individual transferable quota (ITQ) system in that


A) TAC limits the total harvest of fish, while ITQ does not.
B) ITQ limits an individual fishery's harvest, but TAC does not.
C) TAC prevents an "individual arms race" among fisheries, whereas ITQ does not.
D) ITQ does not offer significant cost-saving benefits, but TAC does.

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According to Seafish.org, approximately what percentage of the world's fisheries in 2014 were overexploited?


A) 1 percent
B) 10 percent
C) 30 percent
D) 50 percent

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Some nations are increasing the amount of land covered by forests, while others are experiencing rapid deforestation. According to economists, this is largely because


A) different nations have different ethical views regarding treatment of the environment.
B) nations with increasing forest cover have poorly enforced or nonexistent property rights.
C) nations with declining forest cover treat forests as private property or strictly regulated government property.
D) nations with increasing forest cover treat forests as private property or strictly regulated government property.

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Consider an oil company that can pump oil from a reserve either this year or next year. As expected future profits decrease, the extraction quantity this year


A) increases due to a higher user cost.
B) increases due to a lower user cost.
C) decreases due to a higher user cost.
D) decreases due to a lower user cost.

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Russia, Australia, and France have adopted policies to encourage higher birthrates by


A) decreasing benefits for single workers.
B) penalizing firms with long work hours.
C) mandating longer holidays and vacations.
D) offering monetary awards for having a child.

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Nonrenewable natural resources are fixed in supply (actually or virtually).

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


A) a decrease in the price of the resource
B) an increase in the extraction cost of the resource
C) a decrease in the user cost of the resource
D) a decrease in interest rates

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A rising standard of living will


A) necessarily reduce the population by reducing the birthrate.
B) increase the birthrate.
C) reduce the birthrate, but population may continue to grow if the death rate falls more quickly.
D) reduce the birthrate initially but will increase the birthrate significantly at higher levels of income as people can afford to have more children.

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The key to optimally managing renewable and nonrenewable resources is to design incentive structures that


A) reduce the costs of production to the lowest possible level.
B) increase the benefits from production to the highest possible level.
C) weigh the net benefits of current use with the net benefits of future use.
D) add the net benefits of current use to the net benefits of future use.

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(Consider This) Garrett Hardin's tragedy of the commons best applies to which of the following issues?


A) fracking for oil and natural gas
B) government subsidies for alternative energy
C) overpopulation
D) overfishing in international waters

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In his Essay on the Principles of Population, Thomas Malthus argued that


A) human living standards could permanently rise above subsistence levels, so that populations would grow exponentially.
B) any increase in living standards would be temporary because people will have more children and increase the population, thus bringing living standards back down.
C) as the population increases, the standard of living would grow as well because of rising productivity.
D) as economic efficiency declined, standards of living would first fall and then eventually rise as the population starts increasing.

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