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Economic Impacts of Waiting to Resolve the Long-Term Budget Imbalance 1 (December 2010)

handle is hein.congrec/cbo7088 and id is 1 raw text is: CBO

A series of issue summaries from
the Congressional Budget Office
DECEMBER 2010

Economic Impacts of Waiting to Resolve the
Long-Term Budget Imbalance

Summary and Introduction
Under current policies, the aging of the U.S. population
and increases in health care costs will almost certainly
push up federal spending significantly in coming decades
relative to the size of the economy. Without changes in
policy, spending on the government's major mandatory
health care programs-Medicare, Medicaid, the Chil-
dren's Health Insurance Program, and health insurance
subsidies to be provided through insurance exchanges
as well as on Social Security will increase from the present
level of roughly 10 percent of the nation's output, or gross
domestic product (GDP), to about 16 percent over the
next 25 years. If revenues remain at their past levels rela-
tive to GDP, that rise in spending will lead to rapidly
growing budget deficits and mounting federal debt.
In June 2010, the Congressional Budget Office (CBO)
issued long-term budget projections under two scenarios
that reflected different assumptions about future policies
for revenues and spending.' The extended-baseline sce-
nario was based on the assumption that, by and large,
current law would continue without change. Under that
assumption, revenues would climb to a higher share of
GDP than has typically been seen in recent decades.
Even so, federal debt held by the public would rise from
62 percent of GDP at the end of fiscal year 2010 to about
80 percent of GDP by 2035. Only once before in U.S.
history-during and shortly after World War II-has
federal debt exceeded 50 percent of GDP. CBO also pre-
pared budget projections under an alternative fiscal sce-
nario, which incorporated several changes to current law
that are widely expected to occur or that would modify
some provisions of law that might be difficult to sustain
1. See Congressional Budget Office, The Long-Term Budget Outlook
(June 2010, revised August 2010). Pages 19 and 20 of that report
described preliminary results from an analysis of the issues
addressed in this brief; those results are updated here.

for a long period. Under that scenario, debt would soar
above its historical peak (about 110 percent of GDP) by
2025 and continue climbing thereafter.
To prevent debt from rising to unsupportable levels, pol-
icymakers would eventually have to restrain the growth of
spending, raise revenues significantly above their histori-
cal share of GDP, or pursue some combination of those
two approaches. Addressing the long-term budget imbal-
ance would, at a minimum, require stabilizing the ratio of
debt to output. In deciding when and how to do that, an
important consideration is, what are the costs of delay?
Effects of Delaying Action
Waiting to put fiscal policy on a sustainable course would
lead to higher levels of government debt, which would be
costly in several ways:
 Higher debt would reduce the amount of U.S. savings
devoted to productive capital (resources that produce
economic benefits over time) and thus would result in
lower incomes than would otherwise occur, making
future generations worse off.
 Higher debt would necessitate greater federal spending
on interest payments, meaning that larger changes in
revenues and noninterest spending would be needed
to make fiscal policy sustainable. If those changes took
the form of bigger cuts to spending programs, they
would be more difficult for people to adjust to than
smaller cuts would be. If the changes took the form of
bigger increases in marginal tax rates, they would cre-
ate larger disincentives to work and save, which would
reduce incomes more than smaller tax increases would.
 Higher debt would make it harder for policymakers
to respond to unexpected problems, such as financial
crises, recessions, and wars.

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