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Contribution Details
| Type | Working Paper |
| Scope | Discipline-based scholarship |
| Title | Enhancing Equity Factor Model with Publicly-reported ESG Data |
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| Institution | University of Zurich |
| Series Name | SSRN |
| Number | 4411532 |
| ISSN | 1556-5068 |
| Number of Pages | 34 |
| Date | 2023 |
| Abstract Text | This study examines the alpha-generating power of the public-report-based ESG score, which is based on ESG incident data collected by RepRisk from various public sources, and its relationship with the self-disclosure-based ESG score obtained from Refinitiv. We construct pure ESG factor portfolios to neutralize exposure to common style factors and isolate the pure ESG factor returns. Our results suggest that (i) the source difference is the main cause of the negative correlation between the public report ESG and the self-disclosure ESG score, (ii) the public report ESG score and its subscores produce the mixed results in terms of their adjusted factor returns across regions, (iii) the combination of the public report ESG and the self-disclosure ESG score significantly improves the risk-return profiles of the combined ESG factor returns in the US, EU and Japan. |
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| Digital Object Identifier | 10.2139/ssrn.4411532 |
| Other Identification Number | merlin-id:23637 |
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