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Investor sophistication and capital income inequality

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  • Marcin Kacperczyk
  • Jaromir Nosal
  • Luminita Stevens

Abstract

We study the determinants of capital income inequality in a general equilibrium portfolio choice model with endogenous information acquisition. The key elements of the model are heterogeneity in investor sophistication and in asset riskiness. The model implies capital income inequality that increases with aggregate information technology, given initial heterogeneity in sophistication. The main mechanism in the model works through endogenous investor participation in assets with different risk. Across assets, the pattern of expansion of sophisticated investors and retrenchment of unsophisticated investors, unique to our model, is consistent with asset ownership dynamics for the U.S. Quantitatively, the model generates a path for capital income inequality that matches the evolution of inequality in U.S. data.

Suggested Citation

  • Marcin Kacperczyk & Jaromir Nosal & Luminita Stevens, 2015. "Investor sophistication and capital income inequality," NBP Working Papers 199, Narodowy Bank Polski, Economic Research Department.
  • Handle: RePEc:nbp:nbpmis:199
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    Cited by:

    1. De Nardi, Mariacristina & Giulio , Fella & Yang, Fang, 2016. "Piketty’s Book and Macro Models of Wealth Inequality," Chicago Fed Letter, Federal Reserve Bank of Chicago.
    2. Andreas Fagereng & Luigi Guiso & Davide Malacrino & Luigi Pistaferri, 2016. "Heterogeneity and Persistence in Returns to Wealth," EIEF Working Papers Series 1615, Einaudi Institute for Economics and Finance (EIEF), revised Nov 2016.
    3. Agnieszka (A.P.) Markiewicz & Rafal Raciborski, 2018. "Income Inequality and Stock Market Returns," Tinbergen Institute Discussion Papers 18-075/IV, Tinbergen Institute.
    4. Maryam Farboodi & Laura Veldkamp, 2017. "Long Run Growth of Financial Technology," NBER Working Papers 23457, National Bureau of Economic Research, Inc.
    5. Juliane Begenau & Maryam Farboodi & Laura Veldkamp, 2018. "Big Data in Finance and the Growth of Large Firms," NBER Working Papers 24550, National Bureau of Economic Research, Inc.
    6. Leyla Jianyu Han & Kenneth Kasa, 2019. "Ambiguity and Information Processing in a Model of Intermediary Asset Pricing," Discussion Papers dp19-04, Department of Economics, Simon Fraser University.
    7. Pástor, Lˇuboš & Veronesi, Pietro, 2016. "Income inequality and asset prices under redistributive taxation," Journal of Monetary Economics, Elsevier, vol. 81(C), pages 1-20.
    8. Peiran Jiao & Andre Veiga & Ansgar Walther, 2016. "Social Media, News Media and the Stock Market," Economics Series Working Papers Paper 805, University of Oxford, Department of Economics.
    9. repec:red:issued:16-340 is not listed on IDEAS
    10. Mariacristina De Nardi & Giulio Fella, 2017. "Saving and Wealth Inequality," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 26, pages 280-300, October.
    11. Luigi Guiso & Tullio Jappelli, 2018. "Investment in Financial Information and Portfolio Performance," CSEF Working Papers 501, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy.
    12. Andrea L. Eisfeldt & Hanno Lustig & Lei Zhang, 2017. "Complex Asset Markets," NBER Working Papers 23476, National Bureau of Economic Research, Inc.
    13. repec:gam:jsusta:v:11:y:2019:i:7:p:1851-:d:217745 is not listed on IDEAS
    14. Laura Veldkamp & Anna Orlik, 2016. "Understanding Uncertainty Shocks and the Role of the Black Swan," Working Papers 16-04, New York University, Leonard N. Stern School of Business, Department of Economics.
    15. Heejeong Kim & Aubhik Khan, 2015. "Segmented Asset Markets and the Distribution of Wealth," 2015 Meeting Papers 1385, Society for Economic Dynamics.
    16. Farboodi, Maryam & Veldkamp, Laura, 2018. "Long Run Growth of Financial Data Technology," CEPR Discussion Papers 13278, C.E.P.R. Discussion Papers.
    17. Blanchet, Thomas & Fournier, Juliette & Piketty, Thomas, 2017. "Generalized Pareto Curves: Theory and Applications," CEPR Discussion Papers 12404, C.E.P.R. Discussion Papers.
    18. Juliane Begenau & Maryam Farboodi & Laura Veldkamp, 2018. "Big Data in Finance and the Growth of Large Firms," Working Papers 18-08, New York University, Leonard N. Stern School of Business, Department of Economics.
    19. Juliane Begenau & Laura Veldkamp & Maryam Farboodi, 2018. "Big Data in Finance and the Growth of Large Firms," 2018 Meeting Papers 155, Society for Economic Dynamics.
    20. Laura Veldkamp & Maryam Farboodi, 2016. "The Long-Run Evolution of the Financial Sector," 2016 Meeting Papers 530, Society for Economic Dynamics.
    21. repec:eee:moneco:v:97:y:2018:i:c:p:71-87 is not listed on IDEAS
    22. Savitar Sundaresan & Jaromir Nosal & Marcin Kacperczyk, 2017. "Market Power and Informational Efficiency," 2017 Meeting Papers 356, Society for Economic Dynamics.
    23. repec:eee:jfinec:v:132:y:2019:i:2:p:369-383 is not listed on IDEAS
    24. Maryam Farboodi & Laura Veldkamp, 2018. "Long Run Growth of Financial Data Technology," Working Papers 18-09, New York University, Leonard N. Stern School of Business, Department of Economics.

    More about this item

    JEL classification:

    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E25 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Aggregate Factor Income Distribution
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G23 - Financial Economics - - Financial Institutions and Services - - - Non-bank Financial Institutions; Financial Instruments; Institutional Investors

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