If the number of highway deaths among young people is roughly proportional to their beer consumption, and young people's elasticity of demand for beer is 1.5, then a tax increase that increases the price of beer by 20% would roughly reduce highway deaths of young people by:
A. 1.5%.
B. 13.33%.
C. 20%.
D. 30%.
Answer: D
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A monopolistically competitive firm's marginal revenue curve
A. is downward-sloping and coincides with the demand curve. B. does not exist because the firm is a "price maker." C. is downward-sloping and lies below the demand curve. D. coincides with the demand curve and is parallel to the horizontal axis.
Suppose an individual faces a decision of whether or not to make an investment 2 years from now. The investment will cost $10,125, and it will yield a benefit b 2 years later. a. Suppose the individual treats a dollar 1 year from now the same way as $0.90 now. How low can b be for this individual to plan to make the investment in two years?
b. Now suppose that the individual's tastes are better characterized by the beta-delta model. Suppose delta is 0.9. For what values of beta will the individual plan the same course of action 2 years from now as he would in the typical delta model (with the same delta)? c. Suppose beta is 0.9 (with delta also equal to 0.9). How low can b be in order for the individual to be willing to undertake the investment when he faces the choice in 2 years? d. For what range of values for b does the individual from (c) plan to undertake the investment but then decides not to when the time comes? What will be an ideal response?
An example of business fixed investment spending is
A) a purchase of a home by a household. B) a purchase of a bond by General Electric Corporation. C) a purchase of a computer by an accounting firm. D) $200 million of unsold cars at a car dealership.
The decision by the Municipal Transit Authority to either refurbish existing buses, buy new large buses, or to supplement the existing fleet with mini-buses is an example of:
a. independent projects b. mutually exclusive projects c. contingent projects d. separable projects e. none of the above