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58 IRET Congressional Advisory 1 (1997)

handle is hein.taxfoundation/iretcgadv0055 and id is 1 raw text is: April 28, 1997 No. 58
WATERING DOWN TAX INDEXING
IS BAD ECONOMICS
Washington is fixated on the budget deficit to
the exclusion of good public policy and sound
economics. Members of Congress who would never
dream of voting for an across the board increase in
average and marginal tax rates on workers and
savers are rushing to embrace the same thing in the
guise of fixing the consumer price index to help
balance the budget by 2002. Those who support an
ad hoc CPI change need to reflect on the economic
and    public     policy
consequences, and to find a
better way to end the budget   Even f infla
deficit.
deficitrattes                would  i
Tax indexing increases the  capita real in
personal exemption, standard   gaduated tax
deduction, and the income      adjustedfor n
levels  that  separate  the    it  will e..e
marginal income   tax  rate   incentives for
brackets each year by the      growth.
growth of the consumer price
index. If these amounts were
not adjusted, workers whose
wages barely kept pace with inflation would find
more and more of their income subject to tax each
year at the tax rate imposed on additional income in
their tax bracket. Their average tax burdens would
rise faster than their incomes. Savers whose assets
barely rise in line with prices would also find their
returns taxed more heavily. Furthermore, each year,

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some taxpayers would find their incomes spilling
over into the next highest tax bracket, raising their
marginal tax rates as well. The marginal tax rates
are what govern the incentives to work and save to
earn additional income. As people rise through the
tax brackets, they tend to work less and take more
leisure, save less and use more income for
consumption.  Economic activity suffers when
marginal tax rates creep upward, a lesson that
became painfully obvious during the bouts of double
digit inflation of the 1974-1981 period.
Some policy officials and economists have
protested that the CPI overstates inflation, that the
adjustments of the exempt amounts and tax brackets
are too big, and that the government is losing tax
revenue. Budget makers want the Bureau of Labor
Statistics to improve its calculation of the CPI
(which it is already doing) or, if BLS won't move
far or fast enough, want an ad hoc cut in each
annual adjustment to save money for the Treasury.
Inflation, however, is not the only source of
rising nominal incomes and rising average and
marginal tax rates under our
graduated income tax. Real
v , ii tax  per capita income growth also
rboosts nominal income. Even
er time as per     if inflation were zero, tax rates
s rise.  If the    would rise over time as per
tructUre is not   capita real incomes rise. If the
come    changes,   graduated tax rate structure is
choke   off    not adjusted for real income
her economic       changes, it will eventually
choke   off  incentives  for
economic growth.
The   growth  in   real
incomes has many sources. These include, among
others, wage hikes triggered by technological or
productivity advances, increased education, and
accumulation of income-earning assets on the part
of savers. Whatever the source of the growth of
incomes, the population faces higher tax rates unless
the tax system is indexed to match the gains.

Institute for
Research on the
Economics of
Taxation

IRET is a non-profit, tax exempt 501(c)(3) economic policy research and educational organization devoted to inorming the
public about policies that will promote economic growth and efficient operation of the free market economy.
1730 K Street, N., Suite 910, Washington, D.C. 20006
Voice 202-463-1400 * Fax 202-463-6199 0 Internet www. ret.org

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