Think of the quantity theory of money: If M = 200, P = 100, and Q = 10, then V is

If demand price elasticity measures 2, this implies that consumers would:

a. buy twice as much of the product if the price drops 10 percent. b. require a 2 percent drop in price to increase their purchases by 1 percent. c. buy 2 percent more of the product in response to a 1 percent drop in price. d. require at least a $2 increase in price before showing any response to the price increase. e. buy twice as much of the product if the price drops 1 percent.

When positive externalities exist, the private market equilibrium represents a

A) market price which is too low and a market quantity which is too low. B) market price which is too low and a market quantity which is too high. C) market price which is too high and a market quantity which is too low. D) market price which is too high and a market quantity which is too high.