1) The low per capita outputs of the DVCs are explained by:
A.insufficient saving and investment.
B.over investment in human capital.
C.slow population growth.
D.excessively rapid technological advance.
2) Suppose the firms in a five-firm industry have market shares of 60, 20, 10, 5, and 5
percent, respectively. The Herfindahl index for the industry is:
A.3,600
B.9,025
C.95
D.4,150
3) in which one of the following market models is x-inefficiency least likely to be
present?
a.pure competition
b.oligopoly
c.monopolistic competition
d.pure monopoly
4) The aggregate supply curve:
A.is explained by the interest rate, real-balances, and foreign purchases effects.
B.gets steeper as the economy moves from the top of the curve to the bottom of the
curve.
C.shows the various amounts of real output that businesses will produce at each price
level.
D.is downsloping because real purchasing power increases as the price level falls.