16) If a tax is progressive, then:
A.The average and marginal tax rates are always equal
B.As the tax base increases, the marginal tax rate declines
C.As the tax base rises, the average tax rate is greater than the marginal tax rate
D.As the tax base increases, the marginal tax rate is greater than the average tax rate
17) The table below shows the quantity of coal per ton, the extraction cost per ton, and
user cost per ton for the BTU Coal Company in the current year.
(a)If the current price of a ton of coal is $200, how many tons of coal should BTU
extract and sell this year to maximize profits?
(b)If the current price of a ton of coal is $300, how many tons of coal should BTU
extract and sell this year to maximize profits?
(c)BTU has been told by government regulators that it must cease operations in a year.
If the current price of a ton of coal is $250, how many tons of coal should BTU extract
and sell this year to maximize profits?
(d)If user costs increase by $50 at each level of output and if the current price of a ton
of coal is $300, how many tons of coal should BTU extract and sell this year to
maximize profits?
18) In which two market models would advertising be used most often?
A.Pure competition and monopolistic competition
B.Pure competition and pure monopoly
C.Monopolistic competition and oligopoly
D.Pure monopoly and oligopoly