To answer the question, refer to the following table showing a demand schedule: 
As quantity demanded rises from 1,400 to 1,800, what is marginal revenue?
A. -$400
B. $50
C. $25
D. -$50
E. -$75
Answer: E
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If a pizza seller reduces its prices, the price cut will
A) have no effect on the demand for competing sellers' pizza. B) increase the seller's gross revenue. C) increase the seller's net revenue. D) shift the seller's demand curve if competing pizza sellers match the price decreases.
In countries with very restrictive labor laws , many firms are reluctant to hire workers. This reluctance can
A) reduce cyclical unemployment and the natural rate of unemployment. B) reduce structural unemployment and the natural rate of unemployment. C) reduce frictional unemployment and the natural rate of unemployment. D) increase the natural rate of unemployment.
The future of private sector labor unions is
A. bright because of the increased availability of undocumented workers from other countries. B. bleak because of the growing economic importance of small employers in service industries. C. bright because of the success of the PATCO strike. D. bleak because of the recent increases in the minimum wage earned by non-union workers.
Refer to the accompanying table below. The marginal cost of the 4th unit of activity is:Units of ActivityTotal CostTotal Benefit0$0$01$2$122$6$223$12$304$20$365$30$406$42$427$56$43
A. $8 B. $10 C. $5 D. $6