The above table shows the market shares for all the landscaping services in a suburban area. A merger between firms E and F would
A) raise the four-firm concentration ratio.
B) have no effect on the four-firm concentration ratio.
C) lower the four-firm concentration ratio.
D) create a monopoly.
A
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When disposable income increases,
A) the consumption function shifts downward. B) there is a movement downward along the consumption function, but the consumption function does not shift. C) there is no movement along the consumption function, and the consumption function does not shift. D) the consumption function shifts upward. E) there is a movement upward along the consumption function, but the consumption function does not shift.
The slope of a country's production possibility frontier is equal to ________ and the optimal production point is located where the slope is equal to ________
Assume that output of good Y is measured on the vertical axis, output of good X is measured on the horizontal axis, MPL is the marginal product of labor with a subscript indicating which good, P is the price of a good, and w is the wage rate. A) -MPLY/MPLX; -PX/PY B) -PX/PY; -MPLY/MPLX; C) -PX/w; -PY/w D) -MPLY/w; -MPLF/w E) -MPLX/MPLY; -PX/PY
The burden of a tax on a consumer good with very inelastic demand is usually
a. shifted to the producer. b. shared equally by the producer. c. zero since consumers do not decrease their purchases of the good. d. shifted to the final consumer.
Suppose that residents of a town are asked to vote on the best way to improve the safety of an intersection. The three choices are: a stoplight, a 4-way stop, and a 2-way stop. When the mayor asks the residents to choose between a stoplight and a 4-way stop, the residents choose a 4-way stop. Then, when the mayor asks them to choose between a 4-way stop and a 2-way stop, they choose a 2-way stop
However, if the mayor firsts asks the residents to choose between a 4-way stop and a 2-way stop, they choose a 2-way stop. Then, when the mayor asks the residents to choose between a 2-way stop and a stoplight, they choose a stoplight. What does this example illustrate? a. Arrow's impossibility theorem b. the Condorcet paradox c. a Borda count d. the median voter theorem