Predictors of Sustainable Investment Motivation: An Interpretable Machine Learning Approach
Sergey Sosnovskikh,
Danila Valko and
Raphael Meyer‐Alten
Sustainable Development, 2025, vol. 33, issue 4, 5001-5018
Abstract:
This study investigates the determinants influencing retail investors' capital allocation to sustainable financial products, focusing specifically on Germany—a pertinent case due to its strong commitment to sustainability, supportive regulatory environment and substantial market growth. We utilised two surveys conducted in 2020 by the 2° Investing Initiative and Choyze GmbH in collaboration with the German Environment Agency to obtain a measurement invariant combined dataset. Utilising robust and generalised linear modelling and interpretable machine learning techniques, our analysis identified that three primary motivation components—personal values, social and environmental impact and investment return—exhibit significant overlap. The findings demonstrate that investment motivations are consistently predicted by sustainability interests. In contrast, socio‐demographic factors (age, gender, education, household income) exhibit inconsistent patterns across investment motivations and exert weaker influence. As a result, we propose robust models to predict sustainable investment motivation and highlight their consistency and applicability in the green finance sector.
Date: 2025
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https://doi.org/10.1002/sd.3387
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Persistent link: https://EconPapers.repec.org/RePEc:wly:sustdv:v:33:y:2025:i:4:p:5001-5018
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