Negative externalities are costs incurred by: i. buyers ii. sellers iii. someone other than buyers or sellers

Suppose the U.S. Congress is successful in enacting tariffs large enough to eliminate the current account deficit. What would happen to the level of domestic investment?

A) It would not change. B) It would fall to a level equal to national saving. C) It would rise and exceed national saving. D) It would rise to a level equal to net foreign investment.

The law of diminishing marginal utility implies that the marginal utility of my fifth waffle is less than the marginal utility of my friend's second waffle, other things constant

a. True b. False