Freedom of entry into a market tends to preserve
A) competition.
B) abnormal profits.
C) social justice.
D) the gap between the price of a good and marginal cost.
A
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As you move up along a straight-line demand curve,
A) the price elasticity of demand decreases in size. B) the price elasticity of demand increases in size. C) total revenue always decreases. D) total revenue always increases. E) total revenue never changes.
The word "util" has been used by economists in the past as an objective measure of utility. Today economists believe that
A) the util truly is an objective, rather than a subjective, measure of utility. B) utility can be measured objectively because people can use prices of different goods to measure utility. C) utility cannot be measured objectively. D) all of the important conclusions of the economic model of consumer behavior depend on utility being measured objectively.
Adam Smith's idea of the "invisible hand" says that given a country's resources and its initial distribution of wealth, the use of markets will
A) insulate a nation from the effects of political instability. B) eliminate problems of hunger and dissatisfaction. C) eliminate inequalities between the rich and the poor. D) make people as economically well off as possible.
Relative to the short-run demand for gasoline, the long-run demand for gasoline is
A) probably more elastic since people need time to change automobiles and driving habits. B) probably less elastic since people need time to change automobiles and driving habits. C) probably more elastic because people can hoard this good. D) probably less elastic because people cannot store this good.