7) illegal immigration always has a negative impact on the wages of domestic-born
workers.
8) The public debt is held as Treasury bills, Treasury notes, Treasury bonds, and U.S.
savings bonds.
9) the concept of opportunity cost:
a.is irrelevant in socialistic economies because of central planning.
b.suggests that the use of resources in any particular line of production means that
alternative outputs must be forgone.
c.is irrelevant if the production possibilities curve is shifting to the right.
d.suggests that insatiable wants can be fulfilled.
10) a firm’s supply curve is upsloping because:
a.the expansion of production necessitates the use of qualitatively inferior inputs.
b.mass production economies are associated with larger levels of output.
c.consumers envision a positive relationship between price and quality.
d.beyond some point the production costs of additional units of output will rise.
11) Which of the following generalizations is correct?
A.the more elastic the supply of a product, the larger the portion of an excise tax that is
borne by buyers
B.the more elastic the demand for a product, the larger the portion of an excise tax that
is borne by buyers
C.the more inelastic the supply of a product, the larger the portion of an excise tax that
is borne by buyers
D.the more inelastic the demand for a product, the larger the portion of an excise tax
that is borne by sellers