1) the main characteristics of a public good are:
a.nonrivalry and nonexcludability.
b.nonexcludability and rising costs of production.
c.nonrivalry and large external costs.
d.production at constant cost and rising demand.
2) which of these groups of nations are all members of the euro zone?
a.great britain, france, and switzerland
b.france, germany, and italy
c.denmark, sweden, and norway
d.russia, poland, and hungary
3) which of the following will shift the production possibilities curve to the right?
a.an increase in the unemployment rate from 6 to 8 percent
b.a decline in the efficiency with which the present labor force is allocated
c.a decrease in the unemployment rate from 8 to 6 percent
d.a technological advance that allows farmers to produce more output from given inputs
4) the given supply and demand data for wheat:
refer to the above data. if the price in this market was $4:
a.the market would clear; quantity demanded would equal quantity supplied.
b.buyers would want to purchase more wheat than is currently being supplied.
c.farmers would not be able to sell all their wheat.
d.there would be a shortage of wheat.