Firms that populate the monopolistically competitive market are not price takers but price makers

The bowed shape of the production possibilities frontier can be explained by the fact that

a. all resources are scarce. b. economic growth is always occurring. c. the opportunity cost of one good in terms of the other depends on how much of each good the economy is producing. d. the only way to get more of one good is to get less of the other.

Goods and services given to the poor such as food stamps, housing vouchers, and medical services are called