If the money rate of interest is 12 percent and the real rate of interest 7 percent, the
inflationary premium is
a. 5 percent.
b. 7 percent.
c. 12 percent.
d. 19 percent.
Why do economists use the concept of elasticity in addition to measurement of the
slope of the demand curve?
a. Mathematical equations are favored over graphical analysis.
b. Elasticities are independent of the units of measure.
c. The concept of elasticity can be used in other areas of economics, whereas the slope
of the demand curve is only useful in demand analysis.
d. These terms are interchangeable, but elasticity has the more professional sound.
What does gross private domestic investment include?
a. Business purchases of capital goods, all new construction, and purchases of consumer
durable goods.
b. Business purchases of capital goods, all new construction, and inventory investment.
c. Business purchases of capital goods, all new commercial construction, and inventory
investment.