Ten firms compete in a market to sell product x. the total sales of all firms selling the product are $2 million. ranking the firms’ sales from highest to lowest, we find the top four firms’ sales to be $260,000, $220,000, $150,000, and $130,000, respectively. calculate the four-firm concentration ratio in the market for product x.

What does the consumer price index measure? a. the change in prices of all goods and services over time b. the change in prices of specific goods and services over time c. the change in prices of final goods and services over time

Which of the following statements is true? a. financial investment refers to the creation and expansion of business enterprisesb. economic investment refers to the creation and expansion of business enterprisesc. economic investment refers to the purchase of assets such as stocks, bonds, and real estated. both economic and financial investment refer to the purchase of assets such as stocks, bonds, and real estate

Taking commercial paper means the holder acts honestly