Why does the market not provide national defence?
a) It is impossible to prevent any single person from enjoying the benefit of national defence.
b) The fixed cost of national defence is too high.
c) The necessary resources for national defence are not available in the private sector.
d) Private sectors are not willing to pay for it.
Ans: a) It is impossible to prevent any single person from enjoying the benefit of national defence.
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Quick Buck and Pushy Sales produce and sell identical products and face zero marginal and average cost. Below is the market demand curve for their product. 
If Quick Buck and Pushy Sales decide to collude and work together as a monopolist with each firm producing half the quantity demanded by the market at the monopoly price, then what will be Quick Buck's economic profit?
A. $4,000 B. $3,000 C. $1,000 D. $2,000
Based on the figure below. Starting from long-run equilibrium at point C, a tax cut that increases aggregate demand from AD to AD1 will lead to a short-run equilibrium at point ________ and eventually to a long-run equilibrium at point ________, if left to self-correcting tendencies. 
A. D; C B. B; C C. B; A D. D; B
The excess burden of the corporate income tax is
A. almost zero. B. greatest when the interest elasticity of saving is zero. C. a result of the combined distortion in the pattern of investment and a reduction in total investment. D. none of these answer options are correct.
Comparable worth legislation
A) guide markets toward the economically efficient wage. B) mandate that employers pay the same wages to workers, regardless of their gender, for jobs that have comparable worth. C) will eliminate the earnings gap between men and women. D) mandate that potential employers demonstrate that they are worth the wages they expect to earn.