Tuesday, May 28, 2019

Labor Income For Top 1% Exceeds Income from Capital

By David Henderson.
"How important is human capital at the top of the U.S. income distribution? Using tax data linking 11 million firms to their owners, this paper finds that entrepreneurs are key for understanding top income inequality. Most top income is non-wage income, a primary source of which is private “pass-through” business profit. These profits—which can include labor income disguised for tax reasons—accrue to working-age owners of closely-held, mid-market firms in skill-intensive industries. Pass-through business profit falls by three-quarters after owner retirement or premature death. Classifying three-quarters of pass-through profit as human capital income, we find that the typical top earner derives most of his or her income from human capital, not financial capital. Our approach also raises the overall top 1% labor share in 2014 from 45% to 56%. Growth in pass-through profit is explained by both rising productivity and a rising share of value added accruing to owners.
This is from Matthew Smith, Danny Yagan, Owen M. Zidar, and Eric Zwick, “Capitalists in the Twenty-First Century,” NBER Working Paper No. 25442. The NBER paper is gated, but here’s an ungated version.

Why is this important? Because it contradicts the image of the coupon-clipping rentier who doesn’t work for a living."

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