During the first phase of regulation in the United States (from 1887 to the Great Depression), the primary target of regulation was the:

Compared to IACs, LDCs are often characterized by:

a. lower life expectancy. b. lower adult literacy. c. lower per capita energy consumption. d. All of these.

To say that there is a scarcity of gold means that:

a. gold prices will fall in the future. b. there is not enough gold to satisfy people's demand for it at a zero price. c. there are very few substitutes for gold. d. gold is very expensive. e. the demand for gold is changing.