7) a public good:
a.can be produced profitably by private firms.
b.is available to all and cannot be denied to anyone.
c.is characterized by rivalry and excludability.
d.produces no externalities.
8) Menu costs:
A.increase during recession.
B.decrease during recession.
C.are the costs to firms of changing prices and communicating them to customers.
D.are sunk costs and therefore should be disregarded.
9)
Refer to the above diagram, where Sd and Dd are the domestic supply and demand for a
product and Pc is the world price of that product. If this economy was entirely closed to
international trade, equilibrium price and quantity would be:
A.Pa and z.
B.Pa and x.
C.Pc and z.
D.Pc and v.
10) nominal gdp is:
a.the sum of all monetary transactions that occur in the economy in a year.
b.the sum of all monetary transactions involving final goods and services that occur in
the economy in a year.
c.the amount of production that occurs when the economy is operating at full