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Dynamically optimal R&D subsidization

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  • Grossmann, Volker
  • Steger, Thomas
  • Trimborn, Timo

Abstract

This paper characterizes the optimal time path of R&D and capital subsidization. Starting from the steady state under current R&D subsidization in the US, the R&D subsidy should significantly jump upwards and then slightly decrease over time. There is a small loss in welfare, however, from immediately setting the R&D subsidy to its optimal long run level, compared to a time-varying R&D subsidy. The results do not depend on the financing scheme, namely lump sum taxation or factor income taxation. The optimal capital subsidy is time-varying under factor income taxation, but time-invariant when subsidies are financed by lump sum taxes.

Suggested Citation

  • Grossmann, Volker & Steger, Thomas & Trimborn, Timo, 2013. "Dynamically optimal R&D subsidization," Journal of Economic Dynamics and Control, Elsevier, vol. 37(3), pages 516-534.
  • Handle: RePEc:eee:dyncon:v:37:y:2013:i:3:p:516-534
    DOI: 10.1016/j.jedc.2012.10.007
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    More about this item

    Keywords

    R&D subsidy; Transitional dynamics; Semi-endogenous growth; Welfare;
    All these keywords.

    JEL classification:

    • H20 - Public Economics - - Taxation, Subsidies, and Revenue - - - General
    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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