Suppose two economists agree about who would be helped or hurt by certain legislation, but disagree about whether the legislation would be a good idea. These disagreements
a. are positive in nature
b. are minor and rarely lead to different policies or conclusions
c. are normative in nature
d. occur as the result of a mistake made by an economist
e. occur because economic models are more complex, and subject to error, than the real world
C
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The ________ of a project is the sum of all costs and benefits associated with the project, using present values to make the costs and benefits comparable
A) discounted value B) cumulative present value C) net present value D) gross present value
When economic profits are zero for a firm in a perfectly competitive market, it means that:
A. average total costs are zero. B. price is equal to minimum average total cost. C. average variable costs are minimized. D. MR is equal to AVC.
Which of the following will not increase the demand for iced tea?
a. an increase in advertising that makes drinking iced tea more appealing b. an increase in the price of iced coffee, a substitute product c. an increase in the income of consumers (assume that iced tea is a normal good) d. a decrease in the price of iced tea
Which of the following is a long-run concept?
A. Fixed costs. B. Diseconomies of scale. C. Diminishing returns. D. Diminishing marginal productivity.