Web-based innovation indicators may provide new insights into firm-level innovation activities. However, little is known yet about the accuracy and relevance of web-based information for measuring innovation. In…
This article studies the effects of consumer information on the intensity of competition. In a two dimensional duopoly model of horizontal product differentiation, firms use consumer information to price…
This paper studies whether innovations underlying skill-biased technical change diffuse internationally and thereby contribute to the increasing skill demand and inequality in other countries. Using a new…
This study analyses the persistence and true state dependence of overqualification, i.e. a mismatch between workers' qualifications and their jobs' educational requirements. Employing individual-level panel data…
Contributions to Edited Volumes and Conference Proceedings
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2021
This article studies competition in markets with transport costs and capacity constraints. Using a rich micro-level data set of the cement industry in Germany, we study a cartel breakdown to identify the effect…
We document a causal impact of online user-generated information on real-world economic outcomes. In particular, we conduct a randomized field experiment to test whether additional content on Wikipedia pages…
The corona pandemic in 2020 gave a boost to digitalisation in Germany and showed the opportunities that it can create. However, it also became clear that there are shortcomings in the context of digitalisation.…
