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140 IRET Congressional Advisory 1 (2002)

handle is hein.taxfoundation/iretcgadv0137 and id is 1 raw text is: INSTITUTE FOR RESEARCH ON THE ECONOMICS OF TAXATION
IRET is a non-profit 501 (c)(3) economic policy research and educational organization devoted to informing
the public about policies that will promote growth and efficient operation of the market economy.

November 8, 2002

Advisory No. 140

DEFICITS, TAX CUTS, INTEREST RATES AND INVESTMENT (PART H):
WOULD FINANCIAL MARKET CONSEQUENCES OF
TAX REDUCTION NEGATE POSITIVE EFFECTS ON GROWTH?

For years, students of economics were taught
that deficits drive up interest rates.  In recent
decades,  some   Democrats   and   old-guard
Republicans have argued against tax cuts, even
those designed to promote investment, on the
grounds that cutting taxes would raise interest rates
and retard investment and growth, and thus be self
defeating.   In  a  recent budget resolution,
Republicans claimed that policies to increase the
budget surplus would reduce
interest rates  and  further
improve the budget outlook.   For years, stu
The trouble is, the data don't  were taug t.
bear out the claims.          were.taught. t

Part
become
deficit is
deficit ma
real defic
the amo
outstandii

of the reason people
frightened  by  the
that the nominal
ay be higher than the
it. Inflation reduces
unt of real debt
ng. For example, if the

obligations will be dealt with either through benefit
formula changes or tax changes.    Also, several
trillion dollars worth of federal assets, such as land,
buildings, and weaponry, are not counted as offsets
to the debt either.
But let's get back to the traditional measure of

the deficit and th
and interest rates

dents of economics
iat deficits drive up

inteest ates...I lhe trouble is, the
data don 't bear out the claims...
Numerous studies have found only
limited  relationships  between
deficits and interest ates.

federal debt held

But this assumes

ie traditional discussion of deficits
A rise in the deficit is assumed
to  absorb   more   of  the
nation's saving, and leave less
for   the   private   sector.
According to flow of funds
analysis, the deficit increase
means more     demand for
saving out of a relatively fixed
'supply, so the price (the
interest rate) must rise. This is
also expressed as the notion
that a higher deficit means a
lower rate of national saving.
that the supply of domestic saving

by the public (that is, not in federal government
accounts) is $4 trillion and inflation is 2 percent,
then the real debt is falling by $80 billion a year.
There is a real deficit only when the nominal deficit
exceeds $80 billion.  Even that overstates the
economic and budget impact of the debt, because
the Federal Reserve buys some of the debt each year
as it increases the money supply, and returns the
interest payments on its holdings to the Treasury
(after meeting its own minimal expenses).  Of
course, some obligations of the federal government,
such as rising future Social Security obligations, are
not recorded as part of the debt, but these

is fixed, and that we have no access to world credit
markets.
In fact, changes in the government deficit are
significantly offset by opposing changes in private
sector saving. Lower taxes, especially those that
raise after-tax retained earnings (part of business
saving) or that encourage saving by individuals and
raise the returns to investment, primarily boost
saving, not consumption. When tax cuts boost
saving to match, they leave national saving
unchanged.   When tax cuts encourage larger
increases in saving, they may boost national saving.

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