Almost Classical

This campaign season in the United States is already producing some meme myths on social media. One I keep seeing is the "90% tax rate" myth. Often, the responses prove people don't understand the marginal rate system of the U.S. income tax. Another meme that does reflect marginal rates claims there was a 70 percent effective tax rate. That's not quite reality, either, though. (It is, and it isn't, as I'll try to explain.) The most popular blog posts on Almost Classical remains The 90% Tax Rate Myth , in which I explain effective rates vs. top marginal rates and the relative stability of top rates excluding outliers of less than 10 tax filers. That’s necessary because some of the “top tax rates” would have applied to… ONE PERSON . As I wrote in that old post: As a result of deductions and exclusions, even the theoretical maximum Real Rate of taxation at 60% in 1944 overstates taxation dramatically. The reality? On earned income, the richest U.S. taxpayer...

[NOTE Augusut 8, 2017:  The marginal and effective U.S. Tax rates mentioned in this 2011 post have been supported by research conducted by Thomas Piketty (Paris School of Economics), Emmanuel Saez (UC Berkeley and NBER), and Gabriel Zucman (UC Berkeley and NBER). These economic researchers are well-respected by progressives. Data are data, though we differ on interpretations. "Income" vs. "Wealth" presents much of the challenge, as wealth accumulates but is not taxed in the United States. Distributional National Accounts:  Methods and Estimates for the United States published July 6, 2017, includes the following table: As the table shows, the effective tax rate for the top 1 percent peaked at 45 percent of income in 1944-45. Unfortunately, the overall revenue intake of the United States kept growing and the burden has been falling most on the bottom 50 percent. Tax increases on the middle and lower classes reduce potential economic growth since...