If MPC = 0.9, equilibrium income is $1,000 . and full-employment income is $2,000 . then how much government spending is needed to bring about full employment?

If the U.S. government determines that the cost of feeding an urban family of four is $5,200 per year, then the official poverty line for a family of that type is

a. $10,400. b. $15,600. c. $20,800. d. $26,000.

The negative slope of the production possibilities curve is a graphical way of indicating that:

A. any economy "can have its cake and eat it too." B. to produce more of one product we must do with less of another. C. the principle of increasing opportunity costs applies to only parts of the economy. D. consumers buy more when prices are low than when prices are high.