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Inflation And Growth: A Non-Monotonic Relationship In An Innovation-Driven Economy

Author

Listed:
  • Zheng, Zhijie
  • Huang, Chien-Yu
  • Yang, Yibai

Abstract

This paper investigates the effects of monetary policy on long-run economic growth via different cash-in-advance (CIA) constraints on R&D in a Schumpeterian growth model with vertical and horizontal innovations. The relationship between inflation and growth is contingent on the relative extents of CIA constraints and diminishing returns to two types of innovation. This model can generate a mixed (monotonic or non-monotonic) relationship between inflation and growth, given that the relative strength of monetary effects on growth between different CIA constraints and that of R&D-labor-reallocation effects between different diminishing returns vary with the nominal interest rate. In the empirically relevant case where horizontal R&D is subject to larger diminishing returns than vertical R&D, inflation and growth can exhibit an inverted-U relationship when the CIA constraint on horizontal R&D is sufficiently larger than that on vertical R&D. Finally, we calibrate the model to the US economy and find that the growth-maximizing rate of inflation is around 2.4%, which is consistent with the recent empirical estimates.

Suggested Citation

  • Zheng, Zhijie & Huang, Chien-Yu & Yang, Yibai, 2021. "Inflation And Growth: A Non-Monotonic Relationship In An Innovation-Driven Economy," Macroeconomic Dynamics, Cambridge University Press, vol. 25(5), pages 1199-1226, July.
    • Handle: RePEc:cup:macdyn:v:25:y:2021:i:5:p:1199-1226_4
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    Cited by:

    1. Song, Wei & Yang, Yibai, 2024. "Monetary policy in a Schumpeterian economy with endogenous fertility and human capital accumulation," Journal of Macroeconomics, Elsevier, vol. 80(C).
    2. Kim, Eun-Hee & Kim, Yeonbae, 2023. "Can innovation be induced by state involvement in the market? Evidence within an expanded framework of Hall & Soskice (2001)," Structural Change and Economic Dynamics, Elsevier, vol. 66(C), pages 264-284.
    3. Lu, You-Xun, 2022. "Interactive effects of monetary policy and patent protection: The role of endogenous innovation size," Economic Modelling, Elsevier, vol. 113(C).
    4. He, Qichun & Zhang, Zhixiang, 2019. "Inflation and Growth: An Inverted-U Relationship," MPRA Paper 97092, University Library of Munich, Germany.
    5. Daiki Maeda & Yuki Saito, 2020. "Effects of Monetary Policy in a Model with Cash-in-Advance Constraints on R&D and Capital Accumulation," ISER Discussion Paper 1076rr, Institute of Social and Economic Research, The University of Osaka, revised Jan 2025.
    6. Hu, Ruiyang & Wang, Jian & Yang, Yibai & Zheng, Zhijie, 2024. "Inflation and income inequality in an open-economy growth model with liquidity constraints on R&D," Journal of International Money and Finance, Elsevier, vol. 147(C).
    7. He, Qichun, 2018. "Inflation and health in a Schumpeterian growth model: Theory and evidence," Economic Modelling, Elsevier, vol. 75(C), pages 159-168.
    8. Zheng, Zhijie & Huang, Chien-Yu & Wan, Xi, 2020. "Human Capital and Income Inequality in a Monetary Schumpeterian Growth Model," MPRA Paper 101912, University Library of Munich, Germany.
    9. Daiki Maeda & Yuki Saito, 2020. "Effects of Monetary Policy in a Model with Cash-in-Advance Constraints on R&D and Capital Accumulation," ISER Discussion Paper 1076r, Institute of Social and Economic Research, The University of Osaka, revised Jun 2020.
    10. Angus C. Chu, 2022. "Inflation, innovation, and growth: A survey," Bulletin of Economic Research, Wiley Blackwell, vol. 74(3), pages 863-878, July.
    11. Sanchez-Carrera Edgar J. & Ille Sebastian & Travaglini Giuseppe, 2021. "Macrodynamic Modeling of Innovation Equilibria and Traps," The B.E. Journal of Macroeconomics, De Gruyter, vol. 21(2), pages 659-694, June.
    12. Zheng, Zhijie & Hu, Ruiyang & Yang, Yibai, 2021. "Inflation, endogenous quality increment, and economic growth," MPRA Paper 106989, University Library of Munich, Germany.
    13. Daiki Maeda & Yuki Saito, 2020. "Effects of Monetary Policy in a Model with Cash-in-Advance Constraints on R&D and Capital Accumulation," ISER Discussion Paper 1076, Institute of Social and Economic Research, The University of Osaka.
    14. Suzuki, Keishun, 2020. "Patent Puzzle, Inflation, and Internal Financial Constraint," MPRA Paper 101937, University Library of Munich, Germany.
    15. Xiao, Yao & Ho, Florence Ut Meng & Zheng, Zhijie, 2025. "Effects of monetary policy in a Schumpeterian economy with pollutant emissions," International Review of Economics & Finance, Elsevier, vol. 103(C).
    16. He, Qichun, 2024. "Wealth in the utility function, consumption subsidy, and long-run growth and welfare," Journal of Macroeconomics, Elsevier, vol. 82(C).
    17. Huang, Chien-Yu & Yang, Yibai & Zheng, Zhijie, 2018. "Monetary Policy in a Schumpeterian Growth Model with Two R&D Sectors," MPRA Paper 87462, University Library of Munich, Germany.
    18. He, Qichun, 2023. "The inverted-U effect of inflation on growth: Cross-country evidence," Economic Modelling, Elsevier, vol. 128(C).
    19. Yu, Po-yang & Lai, Ching-chong, 2025. "Endogenous innovation scale and patent policy in a monetary schumpeterian growth model," Macroeconomic Dynamics, Cambridge University Press, vol. 29, pages 1-1, January.
    20. Gideon Ndubuisi & Solomon Owusu, 2023. "Trade for catch-up: examining how global value chains participation affects productive efficiency," Journal of Productivity Analysis, Springer, vol. 59(2), pages 195-215, April.
    21. Yuichi FURUKAWA & Sumiko NIWA, 2021. "Deflation and Declining Business Dynamism in a Cash-in-Advance Economy," Discussion papers 21058, Research Institute of Economy, Trade and Industry (RIETI).
    22. 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).
    23. Lu, You-Xun & Chen, Shi-kuan & Lai, Ching-chong, 2022. "Monetary Policy and Economic Growth in a Schumpeterian Model with Incumbents and Entrants," MPRA Paper 112177, University Library of Munich, Germany.

    More about this item

    JEL classification:

    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • 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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