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Optimal Factor Taxation in A Scale Free Model of Vertical Innovation

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Abstract

The objective of the paper is to study how the tax burden arising from an exogenous stream of public expenditures and transfers should be distributed between labor and capital in a scale-less endogenous growth model, where the engine of growth are successful innovations. Our laboratory is a prototypical quality ladder model with a labor/leisure choice where R&D productivity is decreasing in the size of the economy. This decreasing productivity removes scale effects, which are a controversial prediction of first-generation endogenous growth models. Our contribution is to show that even when labor supply has no effects on growth in the long run, it will still be optimal to tax capital, for reasonable parametrizations of the model. This is true even if the long-run growth rate decreases, with respect to the initial situation in which capital income is not taxed.

Suggested Citation

  • Barbara Annicchiarico & Valentina Antonaroli & Alessandra Pelloni, 2020. "Optimal Factor Taxation in A Scale Free Model of Vertical Innovation," CEIS Research Paper 485, Tor Vergata University, CEIS, revised 13 May 2020.
    • Handle: RePEc:rtv:ceisrp:485
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    Cited by:

    1. Zheng, Zhijie & Wan, Xi & Huang, Chien-Yu, 2023. "Inflation and income inequality in a Schumpeterian economy with heterogeneous wealth and skills," Economic Modelling, Elsevier, vol. 121(C).
    2. Chan, Ying Tung & Yang, Yibai & Zheng, Zhijie, 2022. "Effects of R&D policy on income inequality in a growth model with heterogeneous assets and skills," Economics Letters, Elsevier, vol. 213(C).
    3. Ruiyang Hu & Yibai Yang & Zhijie Zheng, 2023. "Effects of subsidies on growth and welfare in a quality‐ladder model with elastic labor," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 25(5), pages 1096-1137, October.
    4. Ken Tabata, 2025. "The Effects of Financial Frictions on Optimal Corporate Income and Consumption Taxation in an R&D-Driven Growth Model," Discussion Paper Series 304, School of Economics, Kwansei Gakuin University.
    5. Tenryu, Yohei, 2017. "Capital Income Tax, R&D Technology, and Economic Growth," MPRA Paper 123794, University Library of Munich, Germany, revised 27 Feb 2025.
    6. Gross, Till & Klein, Paul, 2022. "Optimal tax policy and endogenous growth through innovation," Journal of Public Economics, Elsevier, vol. 209(C).

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    Keywords

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    JEL classification:

    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
    • 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

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