A.Natural monopolies achieve economies of scale, but charge high prices when there is
no government regulation; government regulation reduces prices, but results in
diseconomies of scale
B.Natural monopolies are profitable, but only if the government permits price
discrimination; government regulation to restrict price discrimination reduces
monopoly prices, but the regulation also reduces monopoly output
C.The fair return price achieves allocative efficiency, but may produce economic losses;
the socially optimal price yields a normal profit but may not be allocatively efficient
D.The socially optimal price achieves allocative efficiency, but may produce economic
losses; the fair return price yields a normal profit but may not be allocatively efficient
6) When total utility reaches a maximum, then marginal utility is:
A.Increasing
B.Decreasing
C.At a minimum
D.Equal to zero
7) Ticket scalping:
A.imposes economic losses on both buyers and sellers.
B.creates economic gains for both buyers and sellers.
C.imposes losses on buyers but creates gains for sellers.
D.imposes losses on sellers but creates gains for buyers.
8) Which of the following is associated with macroeconomics?
A.An examination of the incomes of Harvard Business School graduates.
B.An empirical investigation of the general price level and unemployment rates since
1990.
C.A study of the trend of pecan prices since the Second World War.
D.A case study of pricing and production in the textbook industry.
9) The largest efficiency gains from deregulation have occurred in the:
A.natural gas and cable television industries.
B.cable television and railroad industries.