8) which of the following most closely relates to the idea of opportunity costs?
a.tradeoffs.
b.economic growth.
c.technological change.
d.capitalism.
9) A farmer who has fixed amounts of land and capital finds that total product is 24 for
the first worker hired; 32 when two workers are hired; 37 when three are hired; and 40
when four are hired. The farmer’s product sells for $3 per unit and the wage rate is $13
per worker.
Refer to the above information. What is the farmer’s profit-maximizing output?
A.20
B.32
C.37
D.40
10) The purchase of government securities from the public by the Fed will cause:
A.commercial bank reserves to decrease.
B.the money supply to increase.
C.demand deposits to decrease.
D.the interest rate to increase.
11) 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 tastes and preferences for x will:
a.increase s, decrease p, and increase q.
b.decrease s, decrease p, and decrease q.
c.increase d, increase p, and increase q.
d.decrease d, decrease p, and decrease q.