1) which of the following is most likely to be a variable cost?
a.fuel and power payments
b.interest on business loans
c.rental payments on ibm equipment
d.real estate taxes
2) the main purpose of hmos and ppos is to:
a.reduce health care costs for employers and their employees.
b.reduce medical malpractice suits.
c.enable groups of physicians to increase their fees.
d.direct patients to specialists rather than to more expensive primary-care physicians.
3) Increases in the productivity of labor result partly from:
A.the law of diminishing returns.
B.improvements in technology.
C.reductions in wage rates.
D.increases in the quantity of labor.
4) (Advanced analysis) Answer the next question(s) on the basis of the following
information for a private open economy. The letters Y, C, Ig, X, and M stand for GDP,
consumption, gross investment, exports, and imports respectively. Figures are in
billions of dollars.
The multiplier for the above economy is:
A.4.60.
B.3.33.
C.5.00.
D.4.00.