Daniel J. Hemel, Janet Holtzblatt, and Steve Rosenthal: The Tax Gap’s Many Shades of Gray (September 30, 2021)

Daniel J. Hemel, Janet Holtzblatt, and Steve Rosenthal, of University of Chicago – Law School, Tax Policy Center, and Urban-Brookings Tax Policy Center, respectively, have made available for download their article, The Tax Gap’s Many Shades of Gray, published in SSRN. The abstract is as follows:

The “tax gap”—the difference between the amount of “true tax” and the amount of tax actually paid—has garnered widespread attention in recent months. Much of the commentary on the subject equates the tax gap with “tax evasion,” a term broadly understood to connote intentional (and potentially criminal) underreporting. This paper cautions against conflating the tax gap with tax evasion. The tax gap includes substantial gray areas where the law is ambiguous and the IRS’s determination of “true tax” is debatable. On top of that, the IRS’s methodology for measuring the tax gap includes upward adjustments that are recommended by front-line examiners but reversed on administrative appeal or judicial review. Moreover, a substantial portion of the estimated tax gap is derived from a statistical technique called “detection controlled estimation” that potentially magnifies the impact of later-reversed recommendations on the ultimate tax gap measure. Weighing in the opposite direction, the IRS’s approach to measuring the tax gap excludes some amounts that clearly constitute tax evasion (most significantly, underreporting of tax on illegal-source income).

Understanding the tax gap’s shades of gray can inform discussions of tax law and policy. We explain how proposals to use the tax gap as a performance target may produce perverse incentives for the IRS. We further explain how additional IRS funding—though necessary to improve the agency’s ability to enforce the tax laws—may have counterintuitive effects on the estimates of the tax gap. We also illustrate—using examples from the taxation of passthrough entities—how legislative reforms can reduce the size and scope of legal gray areas that contribute to the tax gap. Our analysis highlights the importance of increased IRS funding levels and substantive tax law changes as complementary strategies for improving tax compliance.

To see the full article, click: The Tax Gap’s Many Shades of Gray by Daniel J. Hemel, Janet Holtzblatt, and Steve Rosenthal.

Posted by Jessica Ji, Associate Editor, Wealth Strategies Journal.

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