Question 1
As existing firms exit an increasing-cost industry
◦ the
LRAC curve shifts down.
◦ the
LRAC curve shifts up.
◦ the position of the
LRAC curve doesn't change, but firms move down their
LRAC curve.
◦ the position of the
LRAC curve doesn't change, but firms move up their
LRAC curve.
Question 2
Assume the tennis ball industry, a perfectly competitive industry, is in long-run equilibrium with a market price of $5. If the demand for tennis balls increases and the industry experiences decreasing returns to scale, long-run equilibrium will be reestablished at a price
◦ greater than $5.
◦ less than $5.
◦ equal to $5.
◦ either greater than or less than $5, depending on the number of firms that enter the industry.