b.an increase in demand.
c.a decrease in supply.
d.a decrease in demand.
12)
symbols: q = number of workers demanded; w = wage rate; and vtp = value of the
cumulative total product (output) of the particular number of workers.
assumptions: (1) the current wage in zinnia is $20 and the current wage in marigold is
$12; (2) full employment exists in both countries.
refer to the above data, symbols, and assumptions. migration of workers will:
a.increase the combined value of total product but reduce the wage in zinnia.
b.increased the combined value of total product but reduce the wage in marigold.
c.reduce the combined value of total product but increase the wage in marigold.
d.reduce the combined value of total product but increase the wage in zinnia.
13) In the taste-for-discrimination model:
A.a decline in discrimination will reduce the actual African-American-white wage ratio.
B.an increase in collective discrimination coefficients of employers will reduce the
demand for African-American workers, decrease the African-American wage, and
increase African-American employment.
C.firms that discriminate will have lower costs than firms that do not discriminate.
D.competitive forces will tend to reduce discrimination in the very long run.
14) (Last Word) According to Yale University’s Environmental Performance Index
(EPI):
A.countries with lower GDP per person tend to have healthier environments.
B.countries with higher GDP per person tend to have healthier environments.
C.there is no correlation between GDP per person and environmental quality.
D.growth in GDP per person initially improves environmental quality and then
gradually reduces it.