1) Suppose a familys annual disposable income is $8000 of which it saves $2000.
(a)What is their APC?
(b)If income rises to $10,000 and they plan to save $2800, what are MPS and MPC?
(c)Did the familys APC rise or fall with their increase in income?
2) According to the marginal-cost-marginal-benefit rule:
A.only government projects (as opposed to private projects) should be assessed by
comparing marginal costs and marginal benefits.
B.the optimal project size is the one for which MB = MC.
C.the optimal project size is the one for which MB exceeds MC by the greatest amount.
D.project managers should attempt to minimize both MB and MC.
3) if the marginal tax rate is greater than the average tax rate, then:
a.the average tax rate must be rising.
b.the average tax rate must be falling.
c.the average tax rate may be either rising or falling.
d.the tax is regressive.
4) any combination of goods lying outside of the budget line:
a.implies that the consumer is not spending all his income.
b.yields less utility than any point on the budget line.
c.yields less utility than any point inside the budget line.
d.is unattainable, given the consumer’s income.
5) if the price elasticity of demand for a product is 2.5, then a price cut from $2.00 to
$1.80 will:
a.increase the quantity demanded by about 2.5 percent.
b.decrease the quantity demanded by about 2.5 percent.
c.increase the quantity demanded by about 25 percent.
d.increase the quantity demanded by about 250 percent.