According to the crude quantity theory of money, if M were to increase by 15%, what would happen to V, P, and Q?

The difference between the marginal social cost and the marginal private cost equals the

A) cost of producing an additional unit of a good. B) marginal external benefit. C) marginal external cost. D) marginal private benefit.

If a perfectly competitive market is in equilibrium and market demand decreases, which of the following would happen?

a. both producer and consumer surplus would increase b. both producer and consumer surplus would decrease c. producer surplus would decrease and consumer surplus would increase d. producer surplus would increase and consumer surplus would decrease e. producer and consumer surplus would remain unchanged