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Accounting for Business Income in Measuring Top Income Shares: Integrated Accrual Approach Using Individual and Firm Data from

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  • Kopczuk, Wojciech
  • Alstadsæter, Annette
  • Jacob, Martin
  • Telle, Kjetil

Abstract

Business income is important in the upper tail of the personal income distribution, but the extent to which it is captured by measures of personal income varies substantially across tax regimes. Using linked individual and firm data from Norway, we are able to attribute business income to personal owners as it accrues rather than when it is realized. This adjustment leads to an increase in top income shares, and the size of this effect varies dramatically depending on the tax regime in place. After a tax reform in 2005 that created strong incentives to retain earnings within businesses, the increase was massive: accounting for earnings retained in the corporate sector leads to more than doubling of the share of income of top 0.1% in some years. Furthermore, adjusting for retained earnings stabilizes the composition of the top income group before and after the reform. We also show that the response is driven by majority owners in closely held firms and facilitated through indirect ownership. As the result, traditional measures of top income shares become misleadingly low (even when accounting for capital gains). We speculate on the implications of our findings for levels and trends in top income shares observed in other countries. In particular, we note that the major tax reforms of the 1980s in the United States correspond to a shift toward business income being passed through to personal owners, and argue that top income shares constructed using income tax statistics before 1987 are likely to be significantly understated relative to those afterwards.

Suggested Citation

  • Kopczuk, Wojciech & Alstadsæter, Annette & Jacob, Martin & Telle, Kjetil, 2016. "Accounting for Business Income in Measuring Top Income Shares: Integrated Accrual Approach Using Individual and Firm Data from," CEPR Discussion Papers 11671, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:11671
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    Cited by:

    1. Andreas Fagereng & Luigi Guiso & Davide Malacrino & Luigi Pistaferri, 2020. "Heterogeneity and Persistence in Returns to Wealth," Econometrica, Econometric Society, vol. 88(1), pages 115-170, January.
    2. Enrico Rubolino & Daniel Waldenström, 2020. "Tax progressivity and top incomes evidence from tax reforms," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 18(3), pages 261-289, September.
    3. David Gallusser & Matthias Krapf, 2022. "Joint Income-Wealth Inequality: Evidence from Lucerne Tax Data," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 163(1), pages 251-295, August.
    4. Andreas Fagereng & Luigi Guiso & Luigi Pistaferri, 2022. "Assortative Mating and Wealth Inequality," NBER Working Papers 29903, National Bureau of Economic Research, Inc.
    5. Annette Alstadsæter & Wojciech Kopczuk & Kjetil Telle, 2019. "Social networks and tax avoidance: evidence from a well-defined Norwegian tax shelter," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 26(6), pages 1291-1328, December.
    6. Advani, Arun & Summers, Andy, 2020. "Capital Gains and UK Inequality," The Warwick Economics Research Paper Series (TWERPS) 1260, University of Warwick, Department of Economics.
    7. Terhi Ravaska, 2018. "Top incomes and income dynamics from a gender perspective: Evidence from Finland 1995-2012," Working Papers 469, ECINEQ, Society for the Study of Economic Inequality.
    8. Andreas Fagereng & Martin Blomhoff Holm & Benjamin Moll & Gisle Natvik, 2019. "Saving Behavior Across the Wealth Distribution: The Importance of Capital Gains," NBER Working Papers 26588, National Bureau of Economic Research, Inc.
    9. Rolf Aaberge & Anthony B Atkinson & Jørgen Modalsli, 2016. "On the measurement of long-run income inequality. Empirical evidence from Norway, 1875-2013," Discussion Papers 847, Statistics Norway, Research Department.
    10. Matthew Smith & Danny Yagan & Owen Zidar & Eric Zwick, 2019. "Capitalists in the Twenty-First Century," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 134(4), pages 1675-1745.
    11. Arjan Bruil (CBS) & Céline van Essen & Wouter Leenders & Arjan Lejour & Jan Möhlmann & Simon Rabaté, 2022. "Inequality and Redistribution in the Netherlands," CPB Discussion Paper 436, CPB Netherlands Bureau for Economic Policy Analysis.
    12. Thomas Blanchet & Ignacio Flores & Marc Morgan, 2022. "The weight of the rich: improving surveys using tax data," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 20(1), pages 119-150, March.
    13. Ravaska Terhi, 2018. "Top incomes and income dynamics from a gender perspective : Evidence from Finland 1995-2012," Working Papers 1822, Tampere University, Faculty of Management and Business, Economics.
    14. Pascal Paul, 2023. "Historical Patterns of Inequality and Productivity around Financial Crises," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 55(7), pages 1641-1665, October.
    15. Aaberge, Rolf & Atkinson, Anthony B. & Modalsli, Jørgen, 2020. "Estimating long-run income inequality from mixed tabular data: Empirical evidence from Norway, 1875–2017," Journal of Public Economics, Elsevier, vol. 187(C).
    16. Tahnee Christelle Ooms, 2021. "Correcting the Underestimation of Capital Incomes in Inequality Indicators: with an Application to the UK, 1997–2016," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 157(3), pages 929-953, October.
    17. Wojciech Kopczuk & Eric Zwick, 2020. "Business Incomes at the Top," Journal of Economic Perspectives, American Economic Association, vol. 34(4), pages 27-51, Fall.
    18. Alstadsæter, Annette & Casi, Elisa & Miethe, Jakob & Stage, Barbara M. B., 2023. "Lost in Information: National Implementation of Global Tax Agreements," Discussion Papers 2023/22, Norwegian School of Economics, Department of Business and Management Science, revised 27 Sep 2024.
    19. Benjamin Pugsley & Sebastian Dyrda, 2017. "Taxes, Regulations of Businesses and Evolution of Income Inequality in the US," 2017 Meeting Papers 1463, Society for Economic Dynamics.
    20. Terhi Ravaska, 2018. "Top incomes and income dynamics from a gender perspective: Evidence from Finland 1995–2012," Working Papers 321, Työn ja talouden tutkimus LABORE, The Labour Institute for Economic Research LABORE.
    21. Advani, Arun & Summers, Andy & Tarrant, Hannah, 2020. "Measuring UK top incomes," CAGE Online Working Paper Series 490, Competitive Advantage in the Global Economy (CAGE).
    22. Pascal Paul, 2018. "Historical Patterns of Inequality and Productivity around Financial Crises," 2018 Meeting Papers 583, Society for Economic Dynamics.
    23. Carla Krolage & Andreas Peichl & Daniel Waldenström, 2022. "Long-run trends in top income shares: The role of income and population growth," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 20(1), pages 97-118, March.
    24. David Gallusser & Matthias Krapf, 2019. "Joint Income-Wealth Inequality: An Application Using Administrative Tax Data," CESifo Working Paper Series 7876, CESifo.
    25. Ooms, Tahnee, 2021. "Correcting the underestimation of capital incomes in inequality indicators: with an application to the UK, 1997–2016," LSE Research Online Documents on Economics 108900, London School of Economics and Political Science, LSE Library.

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    More about this item

    Keywords

    Inequality; Business income; Individual income; Top income shares;
    All these keywords.

    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • H25 - Public Economics - - Taxation, Subsidies, and Revenue - - - Business Taxes and Subsidies

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