1. To decrease the money supply, the Fed can

A. buy government bonds or decrease the discount rate.

B. buy government bonds or increase the discount rate.

C. sell government bonds or decrease the discount rate.

D. sell government bonds or increase the discount rate.

2. What is the Herfindal index industry in which one firm has a 20 percent share of the market and eight other firms each have a 10 percent share?

a)100 b)1,200 c)1,000 d)1,400

3. An industry with an eight-firm concentration ratio of 95 percent and a formal agreement on prices and output among the top eight firms would best be described as _____.

a) pure monopoly b)oligopoly c) monopolistic competition d) a cartel

4. Aggregate concentration is a concept that applies to _____.

a) individual industries b)individual businesses c)the economy as a whole d)the government