Economists would predict that if salaries increased for engineers and decreased for MBAs, fewer people than before would go to graduate school in business and more than before would go in engineering, ceteris paribus

Among the factors that have a negative impact on savings in the United States is the

A) tax system. B) fact that colleges give less in financial aid to students whose families have savings. C) structure of our welfare programs. D) all of the above.

A monopolistic competitor behaving in a profit-maximizing way will

A) not advertise. B) advertise as much as it can in order to increase its sales. C) advertise to the point where the additional sales from advertising equal the additional marginal costs of the product. D) advertise to the point where the additional revenue from one more dollar of advertising just equals the extra dollar cost of advertising.