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Tax Reform And Automatic Stabilization, Thomas J. Kniesner, James P. Ziliak

Center for Policy Research

A fundamental property of a progressive income tax is that it provides implicit insurance against shocks to income by dampening the variability of disposable income and consumption. The Economic Recovery Tax Act of 1981 (ERTA) in combination with the Tax Reform Act of 1986 (TRA86) greatly reduced the number of marginal tax brackets and the maximum marginal rate, which limits the stabilizing effect of the tax system on household consumption when pre-tax income fluctuates. We examine the effect of the federal income tax reforms of the 1980s on the associated degree of automatic stabilization of consumption. The empirical framework derives …