When there are economies of scale,
a. per-unit costs increase as output increases
b. per-unit costs decrease as output increases
c. per-unit costs are constant as output increases
d. output does not affect per-unit costs
b
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The ratio of the change in consumption to the change in disposable income is the
A) average propensity to save. B) marginal propensity to consume. C) average propensity to consume. D) marginal propensity to save.
The U.S. has one of the highest unionization rates of all the industrialized countries around the world
a. True b. False Indicate whether the statement is true or false
Imposing a quota on metal softball bats shipped into the United States would likely:
a. increase the price of the bats but decrease the total quantity of bats purchased in the United States. b. increase the price of the bats and the total quantity of bats purchased in the United States c. leave the price of the bats unchanged but decrease the quantity purchased in the United States. d. leave both the price of bats and the quantity purchased in the United States unchanged.
Historically, high-income countries have been the primary contributors to the greenhouse gases that cause global warming. Who are the primary contributors today?
a. Low-income countries b. Developing countries c. Middle-income countries d. High-income countries