4) The efficiency loss of a tax is the idea that:
A.in addition to taking income from the citizenry, taxes also increase the rate of
inflation.
B.taxes cause a decline in output for which marginal benefit exceeds marginal cost.
C.taxes diminish incentives to work.
D.government spends dollars less efficiently than do households and businesses.
5) If the total cost of 20 units of a product is $20, and the total cost of 21 units is $21,
then from 20 to 21 units of product the:
A.Marginal cost is decreasing
B.Marginal cost equals average total cost
C.Marginal cost equals average variable cost
D.Average total cost equals average variable cost
6) The low per capita outputs of the DVCs are explained by:
A.insufficient saving and investment.
B.overinvestment in human capital.
C.slow population growth.
D.excessively rapid technological advance.
7) When the price of Nike soccer balls fell, Ronaldo purchased more Nike soccer balls
and fewer Adidas soccer balls. Which of the following best explains Ronaldo’s decision
to buy more Nike soccer balls?
A.The substitution effect.
B.The income effect.
C.An increase in the demand for Nike soccer balls.
D.The price effect.