The table above gives the market share of sales of firms in the retail clothing market. What is the four-firm concentration ratio?

In the table above, the number of unemployed people is

A) 2,000. B) 3,000. C) 1,000. D) 1,100. E) 11,000.

Suppose the Federal Reserve announces that it will be making a change to a key interest rate to decrease the money supply. This is likely because the Federal Reserve is

a. worried about inflation. b. worried about unemployment. c. hoping to increase the demand for goods and services. d. worried that the economy is growing too slowly.