From which of the following is it least difficult to exclude free riders?
A) A library book
B) Landscaping on the edges of urban expressways
C) Police protection
D) Fireworks displays
A
Economics
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Returns to scale is a concept that operates
A) only in the short run. B) only in the long run. C) in both the long run and the short run. D) in either the long run or the short run but never both.
Economics
One method unions use to ration available jobs among excess workers is
A) lengthy apprenticeships. B) to hire only white collar workers. C) collective bargaining. D) refuse to unionize.
Economics