7) What percentage of the average firm’s costs are accounted for by wages and salaries?
A.40
B.60
C.75
D.85
8) the social security program (excluding medicare) in the united states is projected to:
a.grow from 4.2 percent of gdp today to 6.2 percent of gdp in 2030.
b.grow from 1.0 percent of gdp today to 4.2 percent of gdp in 2030.
c.decline from 4.2 percent of gdp today to 1.0 percent in 2030.
d.stay relatively constant at 3 percent of gdp into the future.
9) in which of the following instances will the effect on equilibrium price be dependent
on the magnitude of the shifts in supply and demand?
a.demand rises and supply rises.
b.supply falls and demand remains constant.
c.demand rises and supply falls.
d.supply rises and demand falls.
10) Congressional representatives have called for extensive ergonomics regulations to
reduce strains and injuries from repetitive activities by workers. Such regulation, if
passed, would be a good example of:
A.industrial regulation.
B.the principal-agent problem.
C.the free-rider problem.
D.social regulation.