The government can aid in reducing pollution by using a policy of cap-and-trade, which means that polluters are taxed on the amount of pollution they discharge

A structural budget deficit

A) appeared during the Vietnam War era from 1966-68. B) appeared after 1982 due to tax cuts and spending increases. C) peaked at 5 percent of GDP in mid-1986 and had become a structural surplus by 1997. D) all of the above.

If the demand curve a firm faces shifts to the right, usually:

a. it would be impossible to tell whether the marginal revenue curve shifts. b. the marginal revenue curve would shift to the left. c. the marginal revenue curve would shift to the right. d. the marginal revenue curve would not shift.