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About Capital in the Twenty-First Century

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  • Thomas Piketty

    (PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, PSE - Paris-Jourdan Sciences Economiques - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique)

Abstract

In this article, I present three key facts about income and wealth inequality in the long run emerging from my book, Capital in the Twenty-First Century, and seek to sharpen and refocus the discussion about those trends. In particular, I clarify the role played by r > g in my analysis of wealth inequality. I also discuss some of the implications for optimal taxation, and the relation between capital-income ratios and capital shares.

Suggested Citation

  • Thomas Piketty, 2015. "About Capital in the Twenty-First Century," PSE-Ecole d'économie de Paris (Postprint) halshs-01157487, HAL.
    • Handle: RePEc:hal:pseptp:halshs-01157487
    DOI: 10.1257/aer.p20151060
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-01157487v1
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    References listed on IDEAS

    as
    1. Anthony B. Atkinson & Thomas Piketty & Emmanuel Saez, 2011. "Top Incomes in the Long Run of History," Journal of Economic Literature, American Economic Association, vol. 49(1), pages 3-71, March.
    2. Thomas Piketty & Emmanuel Saez & Stefanie Stantcheva, 2014. "Optimal Taxation of Top Labor Incomes: A Tale of Three Elasticities," American Economic Journal: Economic Policy, American Economic Association, vol. 6(1), pages 230-271, February.
    3. Loukas Karabarbounis & Brent Neiman, 2014. "Capital Depreciation and Labor Shares Around the World: Measurement and Implications," NBER Working Papers 20606, National Bureau of Economic Research, Inc.
    4. repec:hal:pseose:halshs-00944873 is not listed on IDEAS
    5. Alan J. Auerbach & Kevin Hassett, 2015. "Capital Taxation in the Twenty-First Century," American Economic Review, American Economic Association, vol. 105(5), pages 38-42, May.
    6. Thomas Piketty & Emmanuel Saez, 2014. "Inequality in the long run," PSE-Ecole d'économie de Paris (Postprint) halshs-01053609, HAL.
    7. Gabriel Zucman, 2014. "Taxing across Borders: Tracking Personal Wealth and Corporate Profits," Journal of Economic Perspectives, American Economic Association, vol. 28(4), pages 121-148, Fall.
    8. Thomas Piketty & Gilles Postel-Vinay & Jean-Laurent Rosenthal, 2006. "Wealth Concentration in a Developing Economy: Paris and France, 1807–1994," American Economic Review, American Economic Association, vol. 96(1), pages 236-256, March.
    9. repec:hal:pseose:halshs-01053609 is not listed on IDEAS
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    More about this item

    Keywords

    Income distribution; Capital; Political Economy;
    All these keywords.

    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • E22 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Investment; Capital; Intangible Capital; Capacity
    • E23 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Production
    • E25 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Aggregate Factor Income Distribution
    • H87 - Public Economics - - Miscellaneous Issues - - - International Fiscal Issues; International Public Goods
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
    • P16 - Political Economy and Comparative Economic Systems - - Capitalist Economies - - - Capitalist Institutions; Welfare State

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