INNOVATION IN CLIMATE ADAPTATION TECHNOLOGIES IN RESPONSE TO EXTREME WEATHER EVENTS: EVIDENCE FROM PATENT DATA

Simon Touboul (), Qing Miao () and David Popp
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Simon Touboul: i3-CERNA, Mines Paris, PSL University 60, Boulevard Saint Michel, 75006 Paris, France
Qing Miao: ��Department of Public Policy, Rochester Institute of Technology Eastman 1327, 1 Lomb Memorial Drive Rochester, NY 14263, USA
David Popp: ��Center for Policy Research, Maxwell School of Citizenship and Public Affairs Syracuse University, 426 Eggers Hall, Syracuse, NY 13244-1020, USA

Climate Change Economics (CCE), 2025, vol. 16, issue 02, 1-46

Abstract: We analyze innovation of climate adaptation technologies in response to weather extremes. Using patent data and original climate indicators at the country level, we estimate the effects of past extreme droughts, precipitation and heatwaves on patenting for adaptation technologies. Innovation response varies by hazard and technology and is strongest for droughts and heatwaves. The impact of extreme events on innovation also varies across countries depending on their long-term hazard exposure and risk. While higher-risk countries on average patent more adaptation technologies than low-risk countries, innovators are more responsive to extreme weather in countries with lower baseline risk. Our findings suggest that extreme weather is more salient to people living in regions less prone to that hazard and, therefore, the shock is more likely to provide new information and induce a larger behavioral response there.

Keywords: Climate change adaptation; innovation; extreme weather events; adaptive capacity (search for similar items in EconPapers)
JEL-codes: C33 O33 O57 Q51 Q54 Q55 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1142/S201000782550006X

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