In 1963, government economists assumed that the MPC for the United States was approximately 0.90. If taxes were cut by $9 billion, then consumer expenditures would initially be expected to

Will reducing pollution to zero in a particular industry be economically efficient?

a. Never b. Always c. Yes, as long the marginal costs of pollution reduction exceed the marginal benefits d. Yes, as long as the marginal benefits of pollution reduction exceed the marginal costs e. Yes, as long as the total benefits of pollution reduction exceed the total costs

A worker's accumulated investment in education, training, experience, and health is called:

A. derived labor demand. B. collective entrepreneurship. C. seniority. D. human capital.