Tax Myths of Warrenomics
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Tax burden distribution reveals stark gap: Age-40 rates range from -46.4% (bottom 20%) to +34.5% (top 1%). Key insight: Transfer payments, savings taxation drive true progressivity beyond annual measures.

Kotlikoff and Auerbach push back at Saez/Zucman"...Economists Emmanuel Saez and Gabriel Zucman……wrong, and three huge mistakes underlie their analysis. The biggest mistake is to focus on gross, not net, taxes. They ignore transfer payments, like Social Security, which are disproportionately paid to the poor...Messrs. Saez and Zucman’ssecond mistake is measuring progressivity on a one-year rather than a remaining-lifetime basis. That ignores the fiscal system’s double taxation: Income earned, taxed and saved this year will be subject to future taxation on interest, dividends and capital gains. This omission disproportionately understates taxes for the rich, who save at a higher rate. The current-year focus also understates benefits paid to the poor, since future benefits are a bigger share of their resources. Theirthird mistake is failing to adjust for age.The old have paid most of their lifetime taxes, which makes them now look like tax cheats, particularly those who saved out of previously highly taxed labor income. With changing demographics, this problem will deeply confuse tax progressivity comparisons over time... the net tax rate facing middle age Americans rises rapidly with their resources—from negative 46.4% for the bottom 20% to positive 34.5% for the top 1%...."
Laurence Kotlikoff, "Tax Myths of Warrenomics,"Wall Street Journal, October 17, 2019, https://www.wsj.com/articles/tax-myths-of-warrenomics-11571351806



