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From heat to high-tech: How innovation responds to climate change

Author

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  • Long, Xianling
  • Wang, Zhiqiang

Abstract

This paper examines how firms respond to climate change through technological innovation. We emphasize that firms facing climate change are not always those innovating. Instead, innovation occurs either to mitigate a firm’s own climate-related damages (internal demand) or to supply climate-related technologies to other firms (external demand). To reflect this, we measure patent-specific exposure to climate change rather than traditional firm-level exposure to local temperatures. Our findings show that in China, climate adaptation patents increased by 8.62%, and climate mitigation patents grew by 10.68% in response to climate change. We document that new technologies respond positively to climate change due to rising public awareness, shifting demand, and regulatory pressures.

Suggested Citation

  • Long, Xianling & Wang, Zhiqiang, 2025. "From heat to high-tech: How innovation responds to climate change," Journal of Development Economics, Elsevier, vol. 176(C).
    • Handle: RePEc:eee:deveco:v:176:y:2025:i:c:s0304387825000768
    DOI: 10.1016/j.jdeveco.2025.103525
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    More about this item

    Keywords

    Heat exposure; Climate change adaptation; Climate change mitigation; Directed innovation;
    All these keywords.

    JEL classification:

    • D22 - Microeconomics - - Production and Organizations - - - Firm Behavior: Empirical Analysis
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation

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