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Optimal taxation under different concepts of justness

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  • Jessen, Robin
  • Metzing, Maria
  • Rostam-Afschar, Davud

Abstract

A common assumption in the optimal taxation literature is that the social planner maximizes a welfarist social welfare function with weights decreasing with income. However, high transfer withdrawal rates in many countries imply very low weights for the working poor in practice. We extend the optimal taxation framework by Saez (2002) to allow for alternatives to welfarism. We calculate weights of a social planner's function as implied by the German tax and transfer system based on the concepts of welfarism, minimum absolute and minimum relative sacrifice. We find that the minimum absolute sacrifice principle is in line with social weights that decline with net income.

Suggested Citation

  • Jessen, Robin & Metzing, Maria & Rostam-Afschar, Davud, 2018. "Optimal taxation under different concepts of justness," Ruhr Economic Papers 762, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen.
    • Handle: RePEc:zbw:rwirep:762
    DOI: 10.4419/86788888
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    Cited by:

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    2. Fischer, Benjamin & Jessen, Robin & Steiner, Viktor, 2019. "Work incentives and the cost of redistribution via tax-transfer reforms under constrained labor supply," Discussion Papers 2019/10, Free University Berlin, School of Business & Economics.
    3. Kristoffer Berg & Paolo Giovanni Piacquadio, 2020. "The Equal-Sacrifice Social Welfare Function with an Application to Optimal Income Taxation," CESifo Working Paper Series 8505, CESifo.
    4. Schröder, Carsten & König, Johannes & Fedorets, Alexandra & Goebel, Jan & Grabka, Markus M. & Lüthen, Holger & Metzing, Maria & Schikora, Felicitas & Liebig, Stefan, 2020. "The economic research potentials of the German Socio-Economic Panel study," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 21(3), pages 335-371.
    5. Giesselmann, Marco & Brady, David & Naujoks, Tabea, 2021. "The social consequences of the increase in refugees to Germany 2015-2016," Discussion Papers, Research Professorship Inequality and Social Policy SP I 2021-502, WZB Berlin Social Science Center.
    6. Sommer, Stephan & Mattauch, Linus & Pahle, Michael, 2022. "Supporting carbon taxes: The role of fairness," Ecological Economics, Elsevier, vol. 195(C).
    7. Zhao, Jiaxin & Mattauch, Linus, 2022. "When standards have better distributional consequences than carbon taxes," Journal of Environmental Economics and Management, Elsevier, vol. 116(C).

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    More about this item

    Keywords

    justness; optimal taxation; income redistribution; equal sacrifice; inequality; subjective preferences;
    All these keywords.

    JEL classification:

    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
    • D60 - Microeconomics - - Welfare Economics - - - General
    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation
    • H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
    • I38 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - Government Programs; Provision and Effects of Welfare Programs

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