Economics for Today 9th Edition by Irvin Tucker

تمرين 32

Key Concept: Decreasing-Cost Industry
Assume the short-run average total cost for a perfectly competitive industry decreases as the output of the industry expands. In the long run, the industry supply curve will
A) have a positive slope.
B) have a negative slope.
C) be perfectly horizontal.
D) be perfectly vertical.
Causation Chain Game
Long-Run Supply in Decreasing-Cost Industry-Exhibit 12