Research by Author & Topic

Publications by Jeff Rohaly on Tax Policy

The alternative minimum tax (AMT), which originally targeted high-income taxpayers, requires annual legislation to prevent it from affecting millions of middle-income individuals each year. There are two primary reasons for the AMT’s broadening impact; its parameters are not indexed for inflation and the 2001-2006 tax cuts reduced regular tax liability without changing AMT liability. In 2009, four million taxpayers will pay $33.5 billion in AMT, but without congressional action that number will rise to 27 million owing $102 billion in 2010. This paper describes the AMT and provides TPC’s latest estimates of AMT coverage, revenue, and distribution.

Overall, the federal tax system is progressive. On average, households with higher incomes pay taxes that are a larger share of their income. But barring legislative action, the numerous sunsets and phase-ins that Congress has written into the tax code will result in a tax system that is in a state of flux over the next few years. As a result, current law dictates significant changes in the degree of progressivity in the federal tax system between now and 2012. This paper summarizes the Tax Policy Center's latest estimates of the distribution of federal taxes for 2009 through 2012.

During the 2008 presidential campaign, the Tax Policy Center (TPC) used its state-of-the-art microsimulation model to produce the only comprehensive and objective analysis of the candidates' tax plans. The study revealed each plan’s effects on economic growth, the national debt, and families’ tax burdens. TPC's conclusions were cited hundreds of times in print and broadcast news, by numerous research and advocacy organizations, and by the candidates themselves. Jeffrey Rohaly, TPC's director of tax modeling, deciphers the tax model underpinning this and other TPC analyses.

In this paper we review the current wealth transfer tax rules and the changes introduced in 2001. We offer an overview of the methodology underlying the TPC's estate tax model and then use the model to estimate the number of estate tax filers, taxable returns, and the distribution of burden under current law. Finally, we investigate the revenue and distributional effects of several proposals to reform the estate tax, including those put forth by the presidential candidates.

A taxpayer's effective marginal tax rate (EMTR) is the percentage of an additional dollar of income that would be paid in federal income tax. An individual's EMTR could affect the decision to work or save more, or avoid income tax. We use the TPC's microsimulation model of the federal tax system to calculate EMTRs under current law and under the presidential candidates' proposals. The Obama plan would lower EMTRs for the majority of households in 2009. Close to 80 percent of the population would see no change in their EMTR under Senator McCain's plan; most others would face lower rates.

Tax and fiscal policy will loom large in the next president's domestic policy agenda. Nearly all of the tax cuts enacted since 2001 expire at the end of 2010 and the individual alternative minimum tax (AMT) threatens to ensnare tens of millions of Americans. While a permanent fix palatable to both political parties has proven elusive, both candidates have proposed major tax changes. This report describes how we performed our modeling and analysis, outlines the major tax proposals, and discusses the implications of their policies for the revenue raised, taxpayer economic activity, and the distribution of the tax burden.

Congress enacted a minimum tax in 1969 to guarantee that high-income individuals paid at least some tax. The AMT now threatens to grow from a footnote in the tax code to a major component affecting tens of millions of taxpayers. Although most lower- and middle-income taxpayers will remain unaffected by it, policymakers need to deal with the explosive growth of the AMT from an obscure tax affecting only 20,000 filers in 1970 to one affecting more than 33 million-a third of all taxpayers-by 2010. This document provides updated estimates of AMT participation, revenue, and distribution.

Overall, the federal tax system is highly progressive. On average, households with higher incomes pay taxes that are a larger share of their income. The tax cuts passed since 2001 have reduced progressivity with the notable exception of the 2008 stimulus package. Almost all provisions of the tax cuts are set to expire by the end of 2010. Barring legislative action, effective tax rates will rise across the income spectrum in 2011 with the largest increases in the upper income classes. This paper summarizes the Tax Policy Center's latest estimates of the distribution of federal taxes for 2008 through 2011.

In principle, a well-timed and carefully designed economic stimulus package can help avert or minimize a recession. In practice, timing a fiscal stimulus is nearly impossible since forecasters usually "predict" economic turning points only long after they have occurred. Len Burman and Jeff Rohaly discuss past experiences and current issues with economic stimulus packages in this Wall Street Journal Real Time Economics blog entry.

Republican Presidential Candidate Fred Thompson has announced a tax plan that combines tax cut extensions, additional tax cuts, and an election to pay tax under a new alternative tax system that would substitute a larger standard deduction for all current deductions and credits and have two rates of 10 and 25 percent. Thompson's plan would reduce federal revenues by $6-7 trillion over ten years, amounting to a reduction of almost 20 percent below current projections, and would be highly regressive. This article describes the proposed changes in the individual income and estate tax and examines their implications for revenue and the distribution of tax burdens.