This paper presents the results of an empirical study concerning conventional and socially responsible mutual funds.We apply a sophisticated operations research algorithm embedded in inverse portfolio optimization on financial market data, ESG-scores and CRSP fund data. Due to our results we...

This paper presents the results of an empirical study concerning conventional and socially responsible mutual funds.We apply a sophisticated operations research algorithm embedded in inverse portfolio optimization on financial market data, ESG-scores and CRSP fund data. Due to our results we...

This paper studies the reliability of environmental, social, and governance (ESG) assessments in the case of corporate scandals. Reliable disclosures on ESG assessments may reduce information asymmetries when it comes to due diligence, for instance. We use the press release of corporate...

This paper explores the long-term performance of stocks with high corporate social performance (CSP), measured by so-called ESG scores depicting the environmental (E), social (S), and governance (G) dimension. We investigate the buy-and-hold abnormal returns of a long/short investment strategy...

We investigate whether the Russia-Ukraine conflict has affected investors' assessment concerning a green energy transition. Based on a global energy sector sample, we apply an event study around the invasion on February 24, 2022. We find that energy firms' CAAR are positive around the event....

This paper analyzes the (dis)agreement of Sustainable Development Goals (SDGs) ratings across different rating providers and implications for portfolio management. It documents a considerable level of disagreement that is particularly high for large companies and for companies from the...