The Nobel Prize winner William Shockley feels strongly that blacks do not have a hereditary racial inferiority in intellectual performance

What is the least accurate description of movements in real wages between 1800-1860?

a. U.S. wages grew relative to those of England. b. The wages of females increased relative to those of males. c. The wages of skilled laborers increased faster than those of unskilled laborers. d. The U.S. became more unequal in terms of income.

The production possibilities curve shows that:

a. some of one good must be given up to get more of another good in an economy that is operating efficiently. b. no output combination is impossible. c. an economy that is operating efficiently can have more of one good without giving up some of another good. d. scarcity can be eliminated.