Which of the following provides health-care coverage to people age 65 and over?

In the above figure, the movement from point B to point A might be the result of

A) an increase in government expenditures because of a war. B) an increase in government expenditures because of increases in education expenditures. C) an increase in the demand for manufacturing goods because of new technology. D) a fall in the price level.

In economics, the study of the decisions of firms in industries where the profits of each firm depend on its interactions with other firms is called

A) decision theory. B) game theory. C) market structure analysis. D) profit analysis.