Return
Non-linear ESG effects on Jensen’s Alpha: Evidence from a CAPM-based framework
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DOI:10.1016/j.ribaf.2026.103437.png)
Abstract
En 中文
• The ESG-alpha relationship is analyzed for S&P 500 firms from 2015 to 2024. • Alpha is estimated under multiple CAPM specifications and benchmarks. • Higher ESG performance is associated with lower abnormal returns. • A quadratic model reveals a U-shaped ESG-Alpha relationship. • ESG-related return differentials are not captured by a one-factor CAPM.
Keywords:
ESG
Alpha
Cost of capital
CAPM
Abnormal returns
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