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Haste makes waste? Quantity-based subsidies under heterogeneous innovations

Author

Listed:
  • Cao, Linyi
  • Jiang, Helu
  • Li, Guangwei
  • Zhu, Lijun

Abstract

With quantity-based innovation targets and subsidy programs launched since the mid-2000s, China has seen a patent surge, accounting for 46% of the world’s total patent applications in 2020; however, the overall patent quality has been declining after 2008. This paper develops a Schumpeterian growth model featuring innovating firms’ quantity–quality trade-off between radical and incremental innovations, and decomposes subsidies’ aggregate impact into quantity and quality channels. We calibrate the model to Chinese firm-level data in the early 2010s. Our quantitative analysis shows that the quality channel effects are negative and dominant, and quantity-based subsidies in that period reduce the TFP growth rate and welfare by 0.19 percentage points and 3.31%, respectively. We evaluate welfare gains under a constrained planner’s problem, and propose skill subsidies which are quality-biased and effectively recover the optimal allocation.

Suggested Citation

  • Cao, Linyi & Jiang, Helu & Li, Guangwei & Zhu, Lijun, 2024. "Haste makes waste? Quantity-based subsidies under heterogeneous innovations," Journal of Monetary Economics, Elsevier, vol. 142(C).
    • Handle: RePEc:eee:moneco:v:142:y:2024:i:c:s0304393223001046
    DOI: 10.1016/j.jmoneco.2023.09.004
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    More about this item

    Keywords

    Heterogeneous innovations; Quantity-based subsidies; Human capital;
    All these keywords.

    JEL classification:

    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O38 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Government Policy
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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