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How Would 401(k) ‘Rothification’ Alter Saving, Retirement Security, and Inequality?

Author

Listed:
  • Vanya Horneff

    (Finance Department, Goethe University)

  • Raimond Maurer

    (Finance Department, Goethe University)

  • Olivia S. Mitchell

    (Wharton School, University of Pennsylvania)

Abstract
The U.S. has long incentivized retirement saving in 401(k) and similar retirement accounts by permitting workers to defer taxes on contributions, levying them instead when retirees withdraw funds in retirement. This paper develops a dynamic life-cycle model to show how and whether “Rothification†— that is, taxing 401(k) contributions rather than payouts — would alter household saving, investment, and Social Security claiming patterns. We show that these changes differ importantly for low- versus higher-paid workers. We conclude that moving to a system that taxes pension contributions instead of withdrawals will lead to later retirement ages, particularly for the better-educated. It also would reduce work hours and lifetime tax payments and increase wealth and consumption inequality. In addition, we show how these behaviors would differ in a persistently low interest rate environment versus a more “normal†historical return world.

Suggested Citation

  • Vanya Horneff & Raimond Maurer & Olivia S. Mitchell, 2019. "How Would 401(k) ‘Rothification’ Alter Saving, Retirement Security, and Inequality?," Working Papers wp398, University of Michigan, Michigan Retirement Research Center.
    • Handle: RePEc:mrr:papers:wp398
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    File URL: https://mrdrc.isr.umich.edu/publications/papers/pdf/wp398.pdf
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    References listed on IDEAS

    as
    1. Andreas Hubener & Raimond Maurer & Olivia S. Mitchell, 2016. "How Family Status and Social Security Claiming Options Shape Optimal Life Cycle Portfolios," The Review of Financial Studies, Society for Financial Studies, vol. 29(4), pages 937-978.
    2. Horneff, Vanya & Maurer, Raimond & Mitchell, Olivia S., 2017. "How persistent low expected returns alter optimal life cycle saving, investment, and retirement behavior," SAFE Working Paper Series 190, Leibniz Institute for Financial Research SAFE.
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    6. Raimond Maurer & Olivia S. Mitchell & Ralph Rogalla & Tatjana Schimetschek, 2021. "Optimal social security claiming behavior under lump sum incentives: Theory and evidence," Journal of Risk & Insurance, The American Risk and Insurance Association, vol. 88(1), pages 5-27, March.
    7. Jingjing Chai & Wolfram Horneff & Raimond Maurer & Olivia S. Mitchell, 2011. "Optimal Portfolio Choice over the Life Cycle with Flexible Work, Endogenous Retirement, and Lifetime Payouts," Review of Finance, European Finance Association, vol. 15(4), pages 875-907.
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