Tax Policy Center

Experts

Jeffrey Rohaly

Principal Research Associate

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Research report

The Wyden-Gregg tax reform proposal would represent a broad reform of the federal income tax system. This paper examines the plan's impact on individuals' effective marginal tax rates (EMTR), the incremental amount of tax owed on an additional dollar of income. We examine the impact on the EMTR...

July 14, 2010
Katherine LimJeffrey Rohaly
Research report

The Bipartisan Tax Fairness and Simplification Act of 2010 ("Wyden-Gregg," introduced as S. 3018) is a broad reform of the federal income tax system. Some provisions would also expand the Social Security payroll tax base. This paper presents the Tax Policy Center's estimates of the revenue and...

May 24, 2010
James R. NunnsJeffrey Rohaly
Research report

The expansion of refundable tax credits and the proliferation of specialized tax breaks means that households with similar incomes can face wildly different effective federal tax rates. For example, among middle-income households, the median effective income tax rate is 3 percent, but 10 percent...

February 22, 2010
Katherine LimJeffrey Rohaly
Research report

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 AMTs broadening impact; its parameters are not indexed for inflation...

October 5, 2009
Katherine LimJeffrey Rohaly
Research report

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...

August 21, 2009
Rachel M. JohnsonJeffrey Rohaly
Research report

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...

October 20, 2008
Leonard E. BurmanKatherine LimJeffrey Rohaly
Research report

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...

September 30, 2008
Katherine LimJeffrey Rohaly
Research report

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...

September 12, 2008
Roberton C. WilliamsLeonard E. BurmanSurachai KhitatrakunJeffrey RohalyEric Toder
Research report

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...

July 23, 2008
Leonard E. BurmanSurachai KhitatrakunGreg LeisersonJeffrey RohalyEric ToderRoberton C. Williams