The average number of times in a year each dollar is used to buy goods and service is called

An increase in the money supply will lower the equilibrium rate of interest.

a. true b. false

An industry has only four firms, who have market shares of 45 percent, 25 percent, 20 percent, and 10 percent. What is the Herfindahl-Hirschman Index?

What will be an ideal response?