A difference between the efficiency wage and the opportunity cost of labor is largely determined by

Comparing the U.S. balance of payments in 2012 to the rest of the world, we see that the

A) U.S. current account is similar in size to most developed nations and has a deficit. B) United States has the largest current account surplus. C) United States has the largest capital and financial account deficit. D) United States has the largest current account deficit. E) U.S. current account is similar in size to most developed nations and has a surplus.

If Sally drives less carefully after buying auto insurance, she illustrates

A) adverse selection. B) negative selection. C) moral hazard. D) lemon hazard.