If you fall short of a certain minimum standard of living, you are poor; once you pass this standard, you are no longer poor. This refers to the ____ definition of poverty

Suppose the economy is in long-run equilibrium. If the government increases its expenditures, eventually the increase in aggregate demand causes price expectations to

a. rise. This rise in price expectations shifts the short-run aggregate supply curve to the right. b. rise. This rise in price expectations shifts the short-run aggregate supply curve to the left. c. fall. This fall in price expectations shifts the short-run aggregate supply curve to the right. d. fall. This fall in price expectations shifts the short-run aggregate supply curve to the left.

Which of the following often involves positive external benefits?

A) water pollution B) drunken driving C) inoculation programs D) tobacco smoking