Jane G. Gravelle
Senior Specialist in Economic Policy
Distributional issues often lie at the center of tax policy debates. Distributional analysis may address several issues: How should the tax burden be distributed or, are progressive (increasing as a share of income as income rises) taxes justified? What is the estimated distribution of the current system? How does a particular proposal change that distribution?
Unlike many analyses that study optimal behavior related to allocative issues and economic efficiency, economic analysis cannot be used to answer the questions of how the tax burden should be distributed. Such an answer would depend on social preferences. Economic analysis can, however, identify trade-offs and frame the issue analytically. For example, a number of plausible answers to this question could justify progressive tax structures.
Methodological issues, such as the income classifier, the unit of analysis, and assumptions regarding incidence all affect the estimates of the distribution of the current tax burden. Yet all show a similar qualitative result: the federal tax system is progressive throughout its range, although it tends to get much flatter at the top. This pattern is primarily due to the individual income tax, which is quite progressive, and actually provides subsidies at lower-income levels. The other major tax is the payroll tax, which is a larger burden than the individual income tax for more than 80% of the population. This tax is first progressive and then regressive (effective tax rates fall with income). The corporate income and the estate taxes, while much smaller, are also progressive, whereas excise taxes are regressive. This overall progressive pattern has been in place historically, and is expected to continue in the future, although effective tax rates are currently low compared with other periods.
Unlike the federal tax system, state and local taxes tend to be regressive. Thus, a progressive federal tax system would be necessary to prevent overall U.S. taxes from being regressive. The combined taxes appear slightly progressive. Looking at taxes from a lifetime perspective would move the system more toward a proportional tax because average lifetime incomes reduces the variability of income. Studies have suggested that overall lifetime taxes are roughly proportional to income.
Many different measures have been used to characterize the effects of a particular tax change on the distribution of income. A very different impression of tax changes may be obtained depending on the measure used. One popular measure, the percentage change in tax, can be misleading, because as taxes become very small even a negligible absolute change in taxes leads to a very large percentage change. For measuring the relative distribution of income, percentage change in disposable income provides a better measure of how resources are distributed. By this measure, the recent tax cuts made incomes less equal.
This report will not be updated. .
Date of Report: December 17, 2010
Number of Pages: 30-
Order Number: RL32693
Price: $29.95
Follow us on TWITTER at http://www.twitter.com/alertsPHP or #CRSreports
Document available via e-mail as a pdf file or in paper form.
To order, e-mail Penny Hill Press or call us at 301-253-0881. Provide a Visa, MasterCard, American Express, or Discover card number, expiration date, and name on the card. Indicate whether you want e-mail or postal delivery. Phone orders are preferred and receive priority processing.
Senior Specialist in Economic Policy
Distributional issues often lie at the center of tax policy debates. Distributional analysis may address several issues: How should the tax burden be distributed or, are progressive (increasing as a share of income as income rises) taxes justified? What is the estimated distribution of the current system? How does a particular proposal change that distribution?
Unlike many analyses that study optimal behavior related to allocative issues and economic efficiency, economic analysis cannot be used to answer the questions of how the tax burden should be distributed. Such an answer would depend on social preferences. Economic analysis can, however, identify trade-offs and frame the issue analytically. For example, a number of plausible answers to this question could justify progressive tax structures.
Methodological issues, such as the income classifier, the unit of analysis, and assumptions regarding incidence all affect the estimates of the distribution of the current tax burden. Yet all show a similar qualitative result: the federal tax system is progressive throughout its range, although it tends to get much flatter at the top. This pattern is primarily due to the individual income tax, which is quite progressive, and actually provides subsidies at lower-income levels. The other major tax is the payroll tax, which is a larger burden than the individual income tax for more than 80% of the population. This tax is first progressive and then regressive (effective tax rates fall with income). The corporate income and the estate taxes, while much smaller, are also progressive, whereas excise taxes are regressive. This overall progressive pattern has been in place historically, and is expected to continue in the future, although effective tax rates are currently low compared with other periods.
Unlike the federal tax system, state and local taxes tend to be regressive. Thus, a progressive federal tax system would be necessary to prevent overall U.S. taxes from being regressive. The combined taxes appear slightly progressive. Looking at taxes from a lifetime perspective would move the system more toward a proportional tax because average lifetime incomes reduces the variability of income. Studies have suggested that overall lifetime taxes are roughly proportional to income.
Many different measures have been used to characterize the effects of a particular tax change on the distribution of income. A very different impression of tax changes may be obtained depending on the measure used. One popular measure, the percentage change in tax, can be misleading, because as taxes become very small even a negligible absolute change in taxes leads to a very large percentage change. For measuring the relative distribution of income, percentage change in disposable income provides a better measure of how resources are distributed. By this measure, the recent tax cuts made incomes less equal.
This report will not be updated. .
Date of Report: December 17, 2010
Number of Pages: 30-
Order Number: RL32693
Price: $29.95
Follow us on TWITTER at http://www.twitter.com/alertsPHP or #CRSreports
Document available via e-mail as a pdf file or in paper form.
To order, e-mail Penny Hill Press or call us at 301-253-0881. Provide a Visa, MasterCard, American Express, or Discover card number, expiration date, and name on the card. Indicate whether you want e-mail or postal delivery. Phone orders are preferred and receive priority processing.
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