________ are financial intermediaries that acquire funds by selling shares to many individuals and using the proceeds to purchase diversified portfolios of stocks and bonds

The multiplier-accelerator model was developed by

A) Paul Samuelson. B) classical economists. C) Walter Heller. D) John Maynard Keynes.

Congressman Murphy made the following proposal: "We should establish policies that completely eliminate air pollution. This is the only way to ensure that none of our citizens suffer the negative effects of air pollution"

If Congressman Murphy's proposal was adopted and all forms of air pollution were eliminated, which of the following would be true? A) The total cost of pollution reductions would equal the total benefit to society. B) The marginal cost from pollution reductions would exceed the marginal benefit. C) The total benefit to society from reductions in air pollution would be maximized. D) Economic efficiency would be maximized