b.shift of the production possibilities curve from ab to cd.
c.move from x to y on production possibilities curve ab.
d.move from y to x on production possibilities curve ab.
24) the tax rates embodied in the federal personal income tax are such that:
a.a rising absolute amount, but a declining proportion, of income is paid in taxes.
b.the marginal and average tax rates are equal, making the tax progressive.
c.the average tax rate rises more rapidly than does the marginal tax rate.
d.the marginal tax rate is higher than the average tax rate, causing the average tax rate
to rise.
25) slopes of lines are especially important in economics because:
a.they measure marginal changes.
b.they always tell us something about profits.
c.positive slopes are always preferred to negative slopes.
d.they always relate to resource and output scarcity.
26) What can IACs do to foster DVCs economic growth?
27) What is the meaning of the incidence of a tax? Give an example using a landlord
and tenants.