If firms in a perfectly competitive industry are earning a positive economic profit, in the long run firms will enter v the inustry. This will increase v the market supply, and the market price will decrease v Firms will continue to exit v until individual firms in the industry earn positive profit. enter
If firms in a perfectly competitive industry are earning a positive economic profit, in the long run firms will enter v the inustry. This will increase v the market supply, and the market price will decrease v Firms will continue to exit v until individual firms in the industry earn positive profit. enter
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:If firms in a perfectly competitive industry are earning a positive economic profit, in the long run firms will
enter
v the inustry. This will increase
v the market supply, and the market
price will decrease v
Firms will continue to exit
v until individual firms in the industry earn positive
v profit.
enter
QUESTION 15
exit
An industry supply curve can be derived by:
Cross aggregation of individual firm supply.
decrease
Horizontally summing individual firm supply.
Vertically summing individual firm supply.
increase
Cross-multiplying individual firm supply.
positive
negative
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