The idea that consumers continue to adjust their purchases until the marginal utility per last dollar spent on all items is equal is called the

An oligopoly is a market structure in which:

a. one firm has 100 percent of a market. b. there are many small firms. c. there are many firms with no control over price. d. there are few firms selling either a homogeneous or differentiated product.

For a given real interest rate, an increase in the inflation rate reduces the after-tax real interest rate

a. True b. False Indicate whether the statement is true or false