20) Which of the following statements is true?
A.Diminishing marginal returns sets in after marginal product intersects average
product
B.Diminishing marginal returns means that in order to increase output at a constant rate,
the firm must add larger and larger quantities of the variable inputs
C.Diminishing marginal returns implies that there will never be increasing returns to
scale
D.Diminishing marginal returns implies that the firm’s profits will be shrinking
21) One of the major investment obstacles in less developed nations is:
A.An accumulation of savings with no place to invest the funds
B.A poor public infrastructure that hurts returns on private investment
C.A progressive tax system that is efficient in collecting taxes on investment
D.A low unemployment rate that makes it difficult to find the needed workers for
businesses
22) In order to help pay for the costs of extending health insurance to previously
uninsured people, the PPACA imposes new taxes including the following, except:
A.An increase in Medicare payroll tax for individuals earning more than $200,000
($250,000 for married couples) per year
B.An increase in the capital gains tax for individuals earning more than $200,000
($250,000 for married couples) per year
C.A tax levied on indoor tanning
D.A tax on junk foods and soda
23)
Refer to the diagram, where Sd and Dd are the domestic supply and demand for a
product and Pc is the world price of that product. Sd + Q is the product supply curve
after an import quota is imposed. The effect of the import quota on domestic price and
domestic consumption is:
A.the same as that of a tariff of PcPt.
B.the same as that of a tariff of PtPa.
C.the same as that of a tariff of PcPa.
D.to raise price by more and reduce consumption less than a tariff of PcPt.