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Review of Financial Studies Vol. 33 No. 3 2020

Attention to Global Warming

Darwin Choi; Zhenyu Gao; Wenxi Jiang

CUHK Business School

Abstract

We find that people revise their beliefs about climate change upward when experiencing warmer than usual temperatures in their area. Using international data, we show that attention to climate change, as proxied by Google search volume, increases when the local temperature is abnormally high. In financial markets, stocks of carbon-intensive firms underperform firms with low carbon emissions in abnormally warm weather. Retail investors (not institutional investors) sell carbon-intensive firms in such weather, and return patterns are unlikely to be driven by changes in fundamentals. Our study sheds light on peoples’ collective beliefs and actions about global warming.

DOI
10.1093/rfs/hhz086
Volume
33
Issue
3
Pages
1112-1145
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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