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An Extensible Model for Historical Financial Data with an Application to German Company and Stock Market Data
(2021-01-22)
Broad, long-term financial and economic datasets are a scarce resource, in particular in the European context. In this paper, we present an approach for an extensible, i.e. adaptable to future changes in technologies and ...
Obfuscation and Rational Inattention in Digitalized Markets
(2021-02-05)
This paper studies the behavior of competing firms in a duopoly with rational inattentive consumers. Firms play a sequential game in which they decide to obfuscate their individual prices before competing on price. ...
A Modern Take on Market Efficiency: The Impact of Trump’s Tweets on Financial Markets
(2021-05-06)
We focus on the role of social media as a high-frequency, unfiltered mass information transmission channel and how its use for government communication affects the aggregate stock markets. To measure this effect, we ...
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 ...
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 ...
The role of disclosure in green finance
(2021-08-23)
We study the design features of disclosure regulations that seek to trigger the green transition of the global economy and ask whether such regulatory interventions are likely to bring about sufficient market discipline ...