This event study investigates the impact of the Japanese nuclear disaster in Fukushima-Daiichi on the daily stock prices of French, German, Japanese, and U.S. nuclear utility and alternative energy firms. Hypotheses regarding the (cumulative) abnormal returns based on a three-factor model are...

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...

Die Blockchain-Technologie erfuhr die Spitze ihres ersten großen Hypes im Jahr 2017. Bei der Blockchain-Technologie handelt es sich um ein dezentrales elektronisches Register für digitale Transaktionen. Zu den Eigenschaften der Technologie zählen u. a. eine hohe Manipulationsresistenz, welche...

We investigate the expectations of wealthy private investors regarding the impact and financial return of sustainable investments. Our paper focuses on the sustainable development goals (SDGs) as a framework for investors' attempts to create impact. We analyze the behavior of 60...

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...

We investigate the asset pricing implications of the greenness of bonds. To estimate a green-pricing effect, we determine the 'green bond premium' as the difference between the yields of matched conventional and green-labeled bonds. On a cross-sectional average, green bonds experience a...

This paper proposes a conceptual framework to determine a greenwashing indicator on firm level, based on five pillars of information that capture the key drivers of greenwashing: soft ESG data, textual self-representation, green marketing expenses, green virtue for the apparent green...

This paper proposes a conceptual framework to determine a greenwashing indicator on firm level, based on five pillars of information that capture the key drivers of greenwashing: soft ESG data, textual self-representation, green marketing expenses, green virtue for the apparent green...