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Which fishery product in the U.S. had the greatest market value in terms of its catch in 2014?


A) blue crab
B) Pacific cod
C) oysters
D) lobster

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

Correct Answer

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Data from the U.S. Environmental Protection Agency on per capita trash generation in the United States indicate that since 1990 it has


A) increased moderately.
B) continually decreased.
C) more or less leveled off.
D) sharply increased.

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

Correct Answer

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In countries like Botswana and Zimbabwe, local villages have been given property rights over local elephants with the result that elephant populations


A) have been decimated as villagers try to maximize short-run profit.
B) have grown as villagers have protected the elephants to support their tourist industry.
C) have grown exponentially, with adverse environmental impacts.
D) are in serious decline, as ivory prices have risen.

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

Correct Answer

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Overextraction of a resource in the present can occur because


A) there is a user cost.
B) there is an extraction cost.
C) users can benefit from conservation.
D) property rights are not clearly defined.

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

Correct Answer

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According to U.S. Geological Survey data from 1950 to 2010, total water use in the United States has


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

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

Correct Answer

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(Consider This) Governments' main economic concern about low birthrates is that


A) in a few decades, there will not be enough working-age adults to support pension responsibilities to retirees.
B) the smaller population makes the economy more vulnerable to foreign takeover.
C) a declining population will reduce worker productivity.
D) smaller populations are more susceptible to epidemics.

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

Correct Answer

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Which of the following factors fosters the survival of alternative-energy companies?


A) low price of conventional energy
B) taxes on alternative energy
C) government subsidies for alternative energy
D) high production costs of alternative energy

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

Correct Answer

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In 2014, the primary sources of U.S. electricity generation, in order from largest to smallest, were


A) natural gas, coal, petroleum, and nuclear.
B) natural gas, hydropower, nuclear, and renewables (wind and solar) .
C) coal, natural gas, nuclear, and hydropower.
D) hydropower, nuclear, coal, and petroleum.

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

Correct Answer

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Based on the fertility-rate calculations for major industrialized countries, their populations are expected to decline significantly in the coming years because the


A) total fertility rate is higher than the replacement rate.
B) total fertility rate is below the replacement rate.
C) fertility rate and the replacement rate are about equal.
D) fertility rate divided by the replacement rate is greater than one.

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

Correct Answer

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The goal of profit-maximizing extraction firms such as an oil company or a mining company is to extract resources


A) as fast as possible.
B) as slowly as possible.
C) when the user costs are rising.
D) for the greatest stream of profit over time.

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

Correct Answer

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Alex and Ben are both loggers wanting to harvest timber from the same forest. Alex prefers to harvest and replant at a sustainable rate; Ben wants to harvest as many trees as possible to maximize short-run profit and then move on. They face the same production costs. If property rights are well-defined and enforced,


A) Alex could buy Ben's part of the land and harvest and replant in a sustainable manner.
B) Ben could buy Alex's part of the land and harvest all the timber as quickly as possible.
C) Incentives to harvest and replant in a sustainable manner are greater than with no property rights.
D) Any of the results described in the other possible answers could occur in this situation.

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

Correct Answer

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Renewable resources


A) can never be exhausted permanently.
B) can be exhausted if harvest rates exceed replenishment rates for an extended period.
C) can be exhausted if replenishment rates exceed harvest rates for an extended period.
D) will tend to be overharvested when they are private property.

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

Correct Answer

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According to the concept of demographic transition,


A) population growth rates should slow as nations move into the final stage.
B) population growth rates should rise as nations move into the final stage.
C) population growth becomes exponential when nations are in the final stage.
D) population plummets in the transition phase.

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

Correct Answer

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When diamonds are mined in conflict or war-torn areas, there is


A) more loss from auctioning off the resource.
B) minimal waste of this resource.
C) strong incentive for conservation.
D) strong incentive for overmining.

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

Correct Answer

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"Conflict diamonds" refer to the diamonds


A) that were stolen by the Nazis in WWII and are now reclaimed by the true owners.
B) mined by combatants in war zones in Africa.
C) whose authenticity is contested by experts in the industry.
D) over which major rivals are heatedly bidding against one another in the auction markets.

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

Correct Answer

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A company's extraction cost curve slopes upward to reflect


A) that marginal extraction costs increase as the company extracts more of the resource.
B) that user costs rise as the company extracts more of the resource.
C) that the price of the nonrenewable resource increases as the amount extracted increases.
D) all of these.

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

Correct Answer

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Energy demand is relatively stable over the course of a day.

A) True
B) False

Correct Answer

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About three-fourths of U.S. electricity is generated using coal, natural gas, and petroleum.

A) True
B) False

Correct Answer

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Economists widely fear that the world will run out of energy in the next century.

A) True
B) False

Correct Answer

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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

Correct Answer

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