Chris Edwards
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Alexander Hamilton won in the end. As Treasury Secretary in the 1790s he championed an array of “internal” taxes to supplement federal revenues from import tariffs. Thomas Jefferson despised Hamilton’s internal taxes as assault on liberty, and when elected in 1800 he made sure that they were abolished.

The Jeffersonian view held sway for decades, but by the late 19th century the growth in government and concerns about high tariffs led to calls for new revenue sources. The first income tax was imposed to fund the Civil War and lasted until 1872. Another income tax was imposed in 1894, but it was struck down by the Supreme Court as unconstitutional.

At the turn of the 20th century, the rise of Progressivism and the Democratic opposition to high tariffs generated support for an income tax. President William Howard Taft proposed a Constitutional amendment for an income tax in 1909. It was passed by the House and Senate, and then ratified by the states in early 1913. Congress got to work on legislation, and the modern income tax was signed into law by President Woodrow Wilson exactly 100 years ago today, October 3, 1913.

That’s when the problems started. The 16th Amendment allowed for “taxes on incomes, from whatever source derived,” but it did not define how “income” should be measured. It turned out that defining “income” is a tricky matter, and liberal and conservative economists and policymakers have never agreed on how to do it. The many economic interest groups affected by the tax have different views as well. The result of all the disagreement is that we’ve had a constantly changing and increasingly complex tax code.

The number of pages of federal tax rules soared from 400 in 1913 to 73,954 today, according to CCH Inc. Unlike a product in the marketplace that improves over time — like the century-old automobile — the government’s income tax has become ever more inefficient and damaging. After 100 years, it is a bigger challenge than ever to create a simple, pro-growth structure for federal taxation.

The key problem is that liberals have favored an expansive definition of income that is anti-growth and punishing to savers and investors. The liberal “Haig-Simons” income has been the starting point for our income tax, and it includes all labor income, capital income, and even various non-cash items such as the implicit rent from owning a home. It also includes the accrued value of all capital gains, whether the gains are realized or not.

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Chris Edwards

Chris Edwards is the director of tax policy studies at the Cato Institute, and editor of www.DownsizingGovernment.org. Before joining Cato, Edwards was a senior economist on the congressional Joint Economic Committee, a manager with PricewaterhouseCoopers, and an economist with the Tax Foundation.

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