If firms enter a purely competitive industry, then in the long run this change will shift
the industry:
A. demand curve to the left, and the market price will decrease.
B. demand curve to the right, and the market price will increase.
C. supply curve to the right, and the market price will decrease.
D. supply curve to the left, and the market price will increase.
What is the most likely effect of the development of television, videocassette players,
and rental movies on the movie theater industry?
A. Decreased costs of producing movies
B. Increased demand for movie theater tickets
C. Movie theater tickets become an inferior good
D. Increased price elasticity of demand for movie theater tickets
A monopolistically competitive firm is operating at a short-run level of output where
price is $21, average total cost is $15, marginal cost is $13, and marginal revenue is
$13. In the short run this firm should: