The demand curve of a monopolist is:

If disposable income increases by $5 billion and consumer spending increases by $4 billion, the marginal propensity to consume equals:

A. 20. B. 0.8. C. 9. D. 1.25.

Which of the following is a short run adjustment? a. A bakery hiring two additional bakers

b. Two new firms enter the textile industry. c. Three firms leave the bicycle industry. d. A computer hardware company builds a new factory.