Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/336764 
Erscheinungsjahr: 
2025
Schriftenreihe/Nr.: 
ZEW Discussion Papers No. 25-074
Verlag: 
ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung, Mannheim
Zusammenfassung: 
This paper examines the causal impact of ESG ratings and their divergence on retail investors' sustainable investment decisions. Using a survey with a framed choice experiment conducted with 2,025 German retail investors, we document three key findings: (i) While about two in three investors claim they own sustainable equity funds, merely six percent actively incorporate ESG ratings into their own portfolio decisions; (ii) the sustainable investment is associated with the respondents' beliefs, motivations, and expectations; (iii) higher average ESG ratings increase investment in sustainable funds, but rating divergence reduces such allocations. We formally show that the results are consistent with an ESG portfolio choice model in which ESG rating divergence acts as noisy signals of sustainability and investors differ in their responsiveness based on rating credibility, sustainability preferences, and risk-return expectations. We provide further robust evidence that, while ESG rating divergence has a weaker effect on committed ESG investors, it significantly reduces the likelihood of sustainable investments among retail investors with lower exposure to green assets.
Schlagwörter: 
Sustainable Finance
Portfolio Choices
ESG Ratings
Uncertainty
Investment Decisions
JEL: 
G11
D14
G24
G41
G51
D83
Dokumentart: 
Working Paper

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