20) unlike a private good, a public good:
a.produces no external benefits or external costs.
b.has no opportunity costs.
c.has benefits that are available to all, regardless of payment.
d.is characterized by rivalry and excludability.
21) In 2006, a household with an annual income of $20,000 would find itself in the:
A.highest quintile of the household income distribution.
B.lowest quintile of the household income distribution.
C.second lowest quintile of the household income distribution.
D.second highest quintile of the household income distribution.
22)
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. With free trade, that is, assuming no
tariff, the outputs produced by domestic and foreign producers respectively would be:
A.v and vz
B.w and wy
C.w and wz
D.vx and xz
23) in 2007, “tax-freedom day” (the day average workers have earned enough to pay
their tax bills) was:
a.march 21
b.april 15
c.april 30