Multiple Choice
When entry and exit behaviour of firms in an industry does not affect a firm's cost structure:
A) the long-run market supply curve must be upward-sloping
B) the long-run market supply curve must be downward-sloping
C) the long-run market supply curve must be horizontal
D) we can't tell anything about the shape of the long-run market supply curve
Correct Answer:

Verified
Correct Answer:
Verified
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