Demand is said to be __________ when the quantity demanded changes at the same proportion as the price.
a. elastic
b. unit elastic
c. inelastic
d. independent
b. unit elastic
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In the long run, perfectly competitive firms will exit the market if the price is
A) higher than average variable cost. B) equal to average total cost. C) less than average total cost. D) equal to average fixed cost. E) equal to marginal revenue.
John is trying to decide whether to expand his business or not. If he continues his business as it is, with no expansion, there is a 50 percent chance he will earn $100,000 and a 50 percent chance he will earn $300,000. If he does expand, there is a 30 percent chance he will earn $100,000, a 30 percent chance he will earn $300,000 and a 40 percent chance he will earn $500,000. It will cost him $150,000 to expand. The difference in expected earnings if John chooses to expand versus not expand is:
A. $320,000. B. $200,000. C. $150,000. D. $120,000.
Government decreasing taxes is an example of:
A. expansionary fiscal policy. B. contractionary fiscal policy. C. expansionary monetary policy. D. contractionary monetary policy.
An economy has two workers, Paula and Ricardo. Every day they work, Paula can produce 4 computers or 16 shirts, and Ricardo can produce 6 computers or 12 shirts. What is the opportunity cost for Paula to produce one shirt?
A. 4 computers B. ¼ computer C. ½ computer D. 2 computers