When the government hires people to serve in the army, these ...

[aabwk4]

When the government hires people to serve in the army, these people are no longer available to do other work. This choice illustrates the concept of
 
  A) an incentive.
  B) a social interest/private interest conflict.
  C) opportunity cost.
  D) marginal benefit.

Question 2

A change in ________ creates a movement along the aggregate demand curve, while a change in ________ shifts the aggregate demand curve.
 
  A) expected profits; tax rates
  B) the price level; government expenditures
  C) foreign income; the foreign exchange rate
  D) real wealth; human capital

[TDubDCFL]

Answer to Question 1

C

Answer to Question 2

B

[aabwk4]

Gracias!

[xiazhe]

Excellent