The price elasticity of demand is measured by the
A) percentage change in quantity demanded divided by the percentage change in price.
B) percentage change in price divided by the percentage change in quantity demanded.
C) change in quantity demanded divided by the change in price.
D) change in price divided by the change in quantity demanded.
Answer: A
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An example of moral hazard is
a. people drive as carefully in icy conditions with antilock brakes as without b. people drive as safely with more airbags as without c. football players avoid 'spearing' with their heads even with safer helmets d. people fail to read the medicine warnings more often when self-medicating versus with a doctor's prescription
The perfectly competitive firm's supply curve includes
a. that portion of the marginal cost curve above the minimum point on the average variable cost curve b. its economic profit schedule c. that portion of the marginal revenue curve above minimum average variable cost d. that portion of the average total cost curve above minimum average variable cost e. the firm's effective resource demand curve