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摘要
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We develop a point-in-time index to approximate changes in transition risk from climate-related news events. By explicitly considering news to signal an increase or a decrease in the external pressure towards a shift to a lower-carbon economy, we overcome the assumption that no news is good news on climate inherent in previous research. We evaluate the return sensitivity of publicly available climate portfolios that apply different approaches to measure a firm's envi-ronmental performance based on investors' objectives. Our results show that short-term transition risk tends to affect returns of stock portfolios based on firms' business activity but not emissions.
Keyword:
Transition risk
Climate finance
News sentiment
Natural language processing
Asset Pricing
期刊
IF:
6.9
论文数:
9.2K
被引数:
2.8W
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