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  3. American Economic Journal: Macroeconomics
  4. July 2017
  5. Zipf's Law, Pareto's Law, and the Evolution of Top Incomes in the United States

Zipf's Law, Pareto's Law, and the Evolution of Top Incomes in the United States

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Abstract

We construct a tractable neoclassical growth model that generates Pareto's law of income distribution and Zipf's law of the firm size distribution from idiosyncratic, firm-level productivity shocks. Executives and entrepreneurs invest in risk-free assets, as well as their own firms' risky stocks, through which their wealth and income depend on firm-level shocks. By using the model, we evaluate how changes in tax rates can account for the evolution of top incomes in the United States. The model matches the decline in the Pareto exponent of the income distribution and the trend of the top 1 percent income share in recent decades.

Citation

Aoki, Shuhei, and Makoto Nirei. 2017. "Zipf's Law, Pareto's Law, and the Evolution of Top Incomes in the United States." American Economic Journal: Macroeconomics, 9 (3): 36-71. DOI: 10.1257/mac.20150051

Additional Materials

JEL Classification

  • D31 Personal Income, Wealth, and Their Distributions
  • H24 Personal Income and Other Nonbusiness Taxes and Subsidies; includes inheritance and gift taxes
  • L11 Production, Pricing, and Market Structure; Size Distribution of Firms
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