The benefits and costs of a choice is shown by using a

If there were five firms in an industry each with a 20% market share, what would the Herfindahl-Hirschman Index equal?

a. 80% b. 800 c. 1,600 d. 2,000

From 1970 to 1997, the federal government ran a _____ and the state and local governments combined ran a ____.

A. deficit; deficit B. surplus; surplus C. surplus; deficit D. deficit; surplus