Which of the following creates a positive externality?
a. a paper mill polluting a river
b. a stock market crash
c. a neighbor that beautifies her lawn
d. taxes and subsidies
e. the greenhouse effect
C
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A demand elasticity coefficient is a measure of the sensitivity of quantity demanded to a change in one of the determinants of demand
Indicate whether the statement is true or false
If consumer purchases of a good are not very sensitive to the price of the good, economists say the demand for the good is relatively
a. inelastic. b. elastic. c. robust. d. inverse.
For a profit-maximizing monopolistically competitive firm, marginal revenue exceeds marginal cost in
a. the short run but not in the long run. b. the long run but not in the short run. c. both the short run and the long run. d. neither the short run nor the long run.
A company may purchase treasury stock to support the? company's stock price.
Indicate whether the statement is true or false