“The price of compact fluorescent light bulbs fell because of improvements in
production technology. As a result, the demand for incandescent light bulbs decreased.
This caused the price of incandescent light bulbs to fall; as the price of incandescent
light bulbs fell, the demand for incandescent light bulbs decreased even further.”
Evaluate this statement.
A) The statement is false. A decrease in the price of compact fluorescent light bulbs
would decrease the demand for incandescent light bulbs, but a decrease in the price of
incandescent light bulbs would not cause the demand for incandescent light bulbs to
decrease.
B) The statement is false because the demand for incandescent light bulbs would
increase as the price of compact fluorescent light bulbs fell.
C) The statement is false because compact fluorescent light bulbs producers would not
reduce their prices as a result of improvements in technology; doing so would reduce
their profits.
D) The statement is false because it confuses the law of demand with the law of supply.
The marginal propensity to save is defined as
A) saving divided by disposable income.
B) disposable income divided by saving.
C) the change in saving divided by the change in disposable income.
D) the change in disposable income divided by the change in saving.