7) The conjecture that R&D expenditures as a percentage of firms’ sales first rise, reach
a peak, and then fall as industry concentration rises is known as the:
A.inverted-U theory of R&D.
B.average product of R&D theory.
C.bell-shaped curve.
D.theory of increasing and diminishing returns.
8) the u.s. census bureau estimates that the net inflow of unauthorized immigrants is
now about:
a.100,000 annually.
b.200,000 annually.
c.350,000 annually.
d.700,000 annually.
9) the h1-b provision of immigration law:
a.allows 65,000 high-skilled workers in specialty occupations to enter and work in the
united states for six years.
b.raised u.s. annual immigration quotas from 500,000 to 700,000.
c.established a lottery for the admission of diversity immigrants into the united states.
d.provided amnesty to over one million illegal immigrants in 1989-1991, allowing them
to become legal citizens of the united states.
10) Assuming no other changes, if checkable deposits increase by $40 billion and
currency in circulation decreases by $40 billion, the:
A.M1 money supply will decline.
B.M1 money supply will not change.
C.M2 money supply will decline.
D.M2 money supply will increase.