Goldin (2001) refers to the 20th century as the "human capital" century and credits education for the rise in overall income

If foreigners spend more on U.S.-made goods and services than we spend on theirs

A) foreigners must borrow from the United States or sell U.S. assets to make up the difference. B) all U.S. national saving remains in the United States. C) we must borrow from foreigners because of low imports. D) funds flow in from abroad to help finance U.S. investment.

All the production points that lie ________ the total product curve are attainable and ________

A) above; efficient B) above; inefficient C) below; efficient D) below; inefficient