Refer to Figure 3-4. At a price of $25, how many units will be sold?

The productivity speed-up in the United States could be explained by

a. improvements in labor force quality. b. falling energy prices. c. rising rates of domestic saving. d. advances in information technology.

Wealth decreases as a result of ________ and/or ________.

A. positive saving; capital gains B. negative saving (borrowing); capital gains C. negative saving (borrowing); capital losses D. negative saving (borrowing); crowding out