13) if an industry’s long-run average total cost curve has an extended range of constant
returns to scale, this implies that:
a.technology precludes both economies and diseconomies of scale.
b.the industry will be a natural monopoly.
c.both relatively small and relatively large firms can be viable in the industry.
d.the industry will be comprised of a very large number of small firms.
14) The entrance of large numbers of “baby boomers” into the labor force in the 1970s
and 1980s:
A.caused substantial reductions in permanent unemployment.
B.lessened income inequality.
C.increased income inequality.
D.had no impact on income inequality.
15) New classical economist say that an unanticipated increase in aggregate demand
first:
A.increases the price level and real output, and then reduces short-run aggregate supply
such that the economy returns to the full-employment level of output.
B.increases the price level and real output, and then increases long-run aggregate
supply.
C.increases long-run aggregate supply, and then increases the price level and real
output.
D.reduces short-run aggregate supply, and then reduces long-run aggregate supply.
16)
refer to the above tables. opportunity costs are: