A work stoppage by a union in solidarity with another union's cause is known as a

The short-run labor demand curve is:

A. more elastic than the long-run labor demand curve. B. less elastic than the long-run labor demand curve. C. either more or less elastic than the long-run labor demand curve. D. perfectly elastic (horizontal).

Sheila sells corn in a perfectly competitive market. This month Sheila receives a lower price for a bushel of corn than she did last month. This might have happened because:

A. the market demand increased for corn. B. the market demand decreased for corn. C. firms exited the market. D. Sheila's costs have increased.