7) the loss of a purely competitive firm which shuts down in the short run:
a.is equal to its total variable costs.
b.is zero.
c.is equal to its total fixed costs.
d.cannot be determined.
8) The distribution of wealth in the United States is such that it:
A.is randomly distributed among income classes.
B.has no perceptible impact on the distribution of income.
C.reduces income inequality.
D.contributes to income inequality.
9) other things equal, the greater the degree of complementarity between potential
immigrants and native-born workers, the:
a.lower the optimal quantity of immigrants.
b.lower the marginal benefit of additional immigrants.
c.greater the marginal cost of additional immigrants.
d.greater the optimal quantity of immigrants.
10) determine, other things equal, the effects of a given change in a determinant of
demand or supply for product x upon (1) the demand (d) for, or supply (s) of, x, (2) the
equilibrium price (p) of x and (3) the equilibrium quantity (q) of x.
refer to the above. an increase in the price of a product that is a complement to x will:
a.decrease s, decrease p, and decrease q.
b.decrease d, decrease p, and decrease q.
c.increase d, increase p, and increase q.
d.increase d, increase p, and decrease q.