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Journal of Banking & Finance Vol. 187 2026

The impact of sustainable finance literacy on investment decisions

Massimo Filippini1,2; Markus Leippold3; Tobias Wekhof4,1,3

1 ETH Zurich · 2 Università della Svizzera italiana · 3 Swiss Finance Institute · 4 University of Geneva

open access

Abstract

This paper examines the effects of an educational program on Sustainable Finance Literacy (SFL) and its influence on sustainable investment decisions. Through a randomized controlled trial and an incentivized choice experiment, we found that our SFL program significantly improves literacy. The program also increased the probability of investing in a highly sustainable fund by 6 percentage points on the extensive margin and decreased allocations between 3.2% and 2.7% for the less sustainable funds on the intensive margin. Among participants who already held pro-sustainability attitudes, the treatment additionally led to more investments in the highly sustainable fund on the intensive margin. Higher SFL further led to more critical sustainability assessments of mid-tier funds and reduced tendencies to chase past high returns.

DOI
10.1016/j.jbankfin.2026.107687
Volume
187
Pages
107687
Language
en
Sources
openalex crossref

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