The Economic Growth and Tax Relief Act of 2001
(H.R. 3) recently introduced by Representative William Thomas
(R-CA) would enact the federal income tax rate reductions that
President George W. Bush submitted to Congress on February 8 and
make the rate change retroactive. It would reduce the current five
income tax rate brackets (15 percent, 28 percent, 31 percent, 36
percent, and 39.6 percent) to four lower tax brackets of 10
percent, 15 percent, 25 percent, and 33 percent. While most of the reductions
in the tax brackets are to be implemented between 2002 and 2006,
H.R. 3 would reduce the 15 percent tax bracket to 12 percent
retroactive to January 1, 2001. H.R. 3 also would repeal the
alternative minimum tax (AMT) provisions that offset the refundable
child credit and earned income credit. This analysis presents the
effects of H.R. 3 on the U.S. economy.
ECONOMIC AND
BUDGETARY EFFECTS OF H.R. 3
Economists generally view tax rate
reduction as one of the most important steps government can take to
support greater levels of economic activity. Reductions in tax
rates usually mean that the labor and capital costs of goods and
services fall because the tax portion of wages and interest is
lower. These lower costs enable businesses to implement new
production techniques, encourage customers to increase their
consumption of goods, and stimulate Americans to devote more of
their time to paid work rather than leisure. Economic theory
predicts that the responses to lower tax rates will raise economic
output and long-term economic growth.
While H.R. 3 does not directly reduce the
tax rates on capital, it significantly lowers tax rates on labor
income. How will the economy respond to these lower rates, and how
will this response affect the net or dynamic "cost" of this tax
policy change?
To
answer these questions, Heritage economists used WEFA's U.S.
Macroeconomic Model to conduct a dynamic simulation of the
legislation. Heritage economists
reconstructed WEFA's December 2000 long-term model to embody the
economic and budgetary assumptions published by the Congressional
Budget Office (CBO) in January 2001. These are the same economic
assumptions that Congress adopts when it frames and passes its
annual budget resolution. This specifically adapted model then uses
CBO budget assumptions to produce dynamic simulations of policy
changes.
The
Joint Committee on Taxation preliminarily estimated the static tax
revenue reduction of H.R. 3 to be $948 billion from fiscal year
(FY) 2001 to FY 2011. This estimate, however, is
misleading because it does not recognize likely economic responses
to the policy change and the expanded pool of taxable income
produced by greater economic activity. Heritage's dynamic analysis,
by comparison, suggests that H.R. 3 would reduce federal revenue by
just $634 billion from FY 2001 to FY 2011. The difference of $314
billion over 11 years between the static and dynamic estimates
results from the increased economic activity and higher employment
growth that H.R. 3's tax rate reductions would help produce.

SUBSTANTIAL TAX RELIEF BY STATE
As
Table 1 shows, the $948 billion in static tax relief over the next
11 years would be felt differently by each state. The two largest
determinants of which states would benefit the most from H.R. 3 are
population size and the amount of income taxes paid by the state.
California would receive the largest share of tax relief under H.R.
3: $105 billion from FY 2001 to FY 2011, or $9.5 billion per year
for the next 11 years. New York ($88.6 billion), Texas ($59
billion), Illinois ($56 billion), and Pennsylvania ($45 billion)
round out the top five states.

Small states would also receive
substantial tax relief. For example, taxpayers in Delaware would
receive $3.8 billion in tax relief over the next 11 years, or $345
million per year. The residents of Maine ($2.8 billion), Montana
($1.8 billion), South Dakota ($1.7 billion), North Dakota ($1.6
billion), and Vermont ($1.5 billion) would receive between $136
million and $254 million in tax relief per year.
CONCLUSION
A
dynamic analysis of H.R. 3 shows that it will boost economic
activity, create 917,000 new jobs, and strengthen the incomes of
taxpayers. The plan reduces excess tax revenue and effectively pays
off the publicly held federal debt by FY 2009. Real (or
inflation-adjusted) economic growth, which has recently declined
sharply from its level of just six months ago, would rise an
average of $77 billion per year from FY 2001 to FY 2011. On
average, a family of four's after-tax budget would increase by
$2,624, leading to an increase in consumption and saving. Spending
on everything from health care to school clothes would rise by an
average of $90 billion, and savings would increase by an average of
$48 billion.
D. Mark Wilson was a
Research Fellow in the Thomas A. Roe Institute for Economic Policy
Studies at The Heritage Foundation. William W.
Beach is Director of, and Rea S.
Hederman is Manager of Operations for, the Center for Data
Analysis at The Heritage Foundation.
Appendix A: Methodology
Heritage economists followed a two-step
procedure in analyzing the budgetary and economic effects of the
Economic Growth and Tax Relief Act of 2001 (H.R. 3).
First, preliminary static tax revenue
estimates for H.R. 3 were obtained from the Joint Committee on
Taxation (JCT). The JCT tax revenue
estimates are based on a static methodology that does not account
for macroeconomic effects of a reduction in tax rates. These
effects include changes in the gross domestic product (GDP),
interest rates, employment, personal income, and inflation that can
significantly affect tax revenues. Thus, static estimates provide a
very limited analysis of the economic and budgetary impact of any
policy change. To forecast the change in federal tax revenue,
spending, and the economy more accurately, a dynamic model must be
used.
The
JCT's preliminary $958 billion static tax reduction estimate
includes $10 billion in higher federal spending that results from
the repeal of alternative minimum tax (AMT) provisions that offset
the refundable child credit and earned income credit. Heritage
economists separated the $948 billion in actual tax reductions from
the $10 billion in higher federal outlays to model the proposed
legislation more accurately.
The
second step was to introduce the static revenue and outlay changes
into the WEFA U.S. Macroeconomic Model. The WEFA model is a dynamic
model of the U.S. economy that is designed to estimate how the
general economy is reshaped by policy reforms, such as tax law and
spending changes. Heritage economists have developed a revised WEFA
model for The Heritage Foundation that embodies the economic and
budgetary assumptions published by the CBO in January 2001. This
specifically adapted WEFA model produces dynamic responses from the
CBO baseline as a result of proposed policy changes.
The
Simulation
The WEFA model
contains a number of variables that are used to simulate proposed
policy changes. The following sections briefly describe how the
Heritage analysts introduced the static revenue and outlay
estimates into the WEFA model to estimate the dynamic economic and
budget results.
Average
Effective Personal Income Tax Rate
The WEFA model
contains a variable that measures the total amount of all federal
taxes on individual income as a percentage of the nominal personal
income tax base. Heritage economists adjusted this average
effective tax rate downward for each of the forecast years to
reflect the static tax revenue decrease estimates.
Federal
Transfer Payments
The WEFA model
contains a number of federal transfer variables for programs such
as Social Security and unemployment insurance. Heritage economists
adjusted the variable for other federal transfer payments for each
of the forecast years to reflect the static outlay increase
estimates.
Labor
Force Participation and Average Weekly Hours
Small adjustments
were made in the model's exogenous labor force participation rate
and in the number of hours worked to account for the dynamic
effects of decreasing marginal income tax rates.
Business Sector Price Index
The business sector
price index was reduced to reflect the lower tax rates on business
income that would be reported on personal income tax forms. These
adjustments are based on previous research conducted by Heritage
economists.
Monetary Policy
The model assumes
that the Federal Reserve Board will react to this policy change as
it has historically. This assumption was embodied in the Heritage
model simulation by including the stochastic equation in the WEFA
model for monetary reserves.
Statistical Discrepancy
Estimates of
statistical discrepancies in the model were not altered.