If the price of apples falls and apples and oranges are substitutes, we would expect:
a. The quantity of apples demanded to increase and the demand for oranges to increase.
b. The quantity of oranges demanded to decrease and the demand for apples to increase.
c. The quantity of apples demanded to increase and the demand for oranges to decrease.
d. The quantity of oranges demanded to decrease and the demand for apples to decrease.
c
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When a firm hires 10 units of labor, 20 pens are produced. When it hires another unit of labor, the total output increases to 23 pens. If the price of one pen is $2, the value of marginal product of the eleventh unit of labor is:
A) $1.50. B) $2. C) $4. D) $6.
Which is NOT an example of moral hazard
a. people eat more at all-you-can-eat buffets b. loggers clear-cut a tract of land when paying a fixed fee rather than when paying per tree felled c. Drivers of heavier, safer cares are less likely to run stop signs d. workers on commission work harder than those paid an hourly wage
If diminishing marginal utility holds, and a person consumes less of a good, then all else being equal
a. the price of the good will rise b. total utility will rise c. marginal utility will rise d. expenditure on the good will increase e. marginal utility will decline
To achieve economic efficiency in energy use, an economy:
A. often uses a variety of energy sources. B. must use the single energy source in which it can achieve economies of scale. C. should use all energy sources in equal proportion. D. should only use domestically produced energy.