The amount of a particular good or service that buyers in a market will purchase at a given price during a specified period is called:

When producing at a production efficient point, ________

A) our choice of the goods can be either on or within the production possibilities frontier B) we can satisfy our all wants C) the opportunity cost of another good is zero D) we face a tradeoff and incur an opportunity cost

_______ economics is most closely associated with fighting recessions and depressions.

A. Classical B. Supply-side C. Keynesian D. Monetarist