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Optimal Capital Taxation in an Economy with Innovation-Driven Growth

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  • Ping-ho Chen
  • Angus C. Chu
  • Hsun Chu
  • Ching-chong Lai

Abstract

This paper investigates optimal capital taxation in an innovation-driven growth model. We examine how the optimal capital tax rate varies with externalities associated with R&D and innovation. Our results show that the optimal capital tax rate is higher when (i) the "stepping on toes effect" is smaller, (ii) the "standing on shoulders effect" is stronger, or (iii) the extent of creative destruction is greater. Moreover, the optimal capital tax rate and the monopolistic markup exhibit an inverted-U relationship. By calibrating our model to the US economy, we find that the optimal capital tax rate is positive, at a rate of around 11.9 percent. We also find that a positive optimal capital tax rate is more likely to be the case when there is underinvestment in R&D.

Suggested Citation

  • Ping-ho Chen & Angus C. Chu & Hsun Chu & Ching-chong Lai, 2019. "Optimal Capital Taxation in an Economy with Innovation-Driven Growth," Working Papers 201913, University of Liverpool, Department of Economics.
    • Handle: RePEc:liv:livedp:201913
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    3. Wei‐Neng Wang & Chia‐Ying Liu & Juin‐Jen Chang, 2021. "Tax policy implications for a two‐engine growing economy," Southern Economic Journal, John Wiley & Sons, vol. 87(3), pages 979-1009, January.

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    More about this item

    Keywords

    Optimal capital taxation; R&D externalities; innovation;
    All these keywords.

    JEL classification:

    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives

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