17) fixed cost is:
a.the cost of producing one more unit of capital, say, machinery.
b.any cost which does not change when the firm changes its output.
c.average cost multiplied by the firm’s output.
d.usually zero in the short run.
18)
Suppose real GDP is X, as shown in graph A. Appropriate government fiscal policy
would be to:
A.increase taxes.
B.reduce government spending.
C.reduce government spending and taxes by equal-sized amounts.
D.reduce taxes or increase government spending.
19) A major difference between social insurance and welfare is that social insurance:
A.exclusively involves older Americans whereas welfare is confined mainly to mothers
with young children.
B.forces recipients to demonstrate need while welfare does not.
C.is normally financed by earmarked payroll taxes while welfare is financed out of
general tax revenues.
D.provides cash transfers while welfare does not.
20) Suppose the G8 nations decide that the dollar is too strong (high in value) relative
to the yen. These nations might:
A.use official reserves of yen to buy dollars.
B.use official reserves of dollars to buy yen.
C.encourage Japan to print more yen.