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The salience of ESG ratings for stock pricing: Evidence from (potentially) confused investors
(2021-10-08)
We exploit a modification to Sustainalytics' environmental, social, and governance (ESG) rating methodology, which is subsequently adopted by Morningstar, to study whether ESG ratings are salient for stock pricing. We show ...
Impact of public news sentiment on stock market index return and volatility
(2021-10-11)
Recent advances in natural language processing have contributed to the development of market sentiment measures through text content analysis in news providers and social media. The effectiveness of these sentiment variables ...
Expl(AI)ned: The impact of explainable artificial intelligence on cognitive processes
(2021-06-25)
This paper explores the interplay of feature-based explainable AI (XAI) techniques, information processing, and human beliefs. Using a novel experimental protocol, we study the impact of providing users with explanations ...
DFA
Die Bundesrepublik Deutschland – Finanzagentur GmbH ist ein Finanzdienstleistungsunternehmen im Eigentum der Bundesrepublik Deutschland. Rechtsgrundlagen sind § 1 der Verordnung zur Übertragung von Aufgaben nach dem ...
OTC Discount
(2021-10-08)
We document a sizable OTC discount in the interdealer market for German sovereign bonds where exchange and over-the-counter trading coexist: the vast majority of OTC prices are favorable compared to exchange quotes. This ...
Market impact of government communication: The case of presidential tweets
(2021-10-06)
"We propose the ""President reacts to news"" channel of stock returns by studying the financial market impact of the Twitter account of the 45th president of the United States, Donald Trump. We use machine learning algorithms ...
Time-varying granger causality tests for applications in global crude oil markets: A study on the DCC-MGARCH Hong test
(2021-10-14)
Analysing causality among oil prices and, in general, among financial and economic variables is of central relevance in applied economics studies. The recent contribution of Lu et al. (2014) proposes a novel test for ...
Momentum-managed equity factors
(2019-07-22)
Managed portfolios that exploit positive first-order autocorrelation in monthly excess returns of equity factor portfolios produce large alphas and gains in Sharpe ratios. We document this finding for factor portfolios ...
Call of duty: Designated market maker participation in call auctions
(2021-08-21)
Many equity markets combine continuous trading and call auctions. Oftentimes designated market makers (DMMs) supply additional liquidity. Whereas prior research has focused on their role in continuous trading, we provide ...