A cubic cost function implies:
A) a U-shaped average variable cost curve.
B) a U-shaped marginal cost curve.
C) a U-shaped average cost curve.
D) all of the above
D
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The consumer price index was 200 in 2008 and 190 in 2009 . The nominal interest rate during this period was 4.5 percent. What was the real interest rate during this period?
a. - 0.75 percent b. - 0.5 percent c. 9.5 percent d. 9.75 percent
National income accountants define investment to include:
a) any increase in business inventories. b) the addition of cash to a savings account. c) the purchase of common or preferred stock. d) the purchase of any durable good, for example, an automobile or a refrigerator.
When the price of candy bars decreased from $0.55 to $0.45, the quantity demanded changed from 19,000 per day to 21,000 per day. In this price range, the price-elasticity coefficient (based on the midpoint formula) for candy bars is
What will be an ideal response?
A potential problem with piece-rate plans is that:
A. it is difficult for managers to enforce. B. workers have no incentive to work hard. C. workers may put little emphasis on the quality of the good. D. workers will have a tendency to under-produce the good.