We estimate short-term capital-market effects of unionization efforts at publicly-listed firms and their subsidiaries in the United States between 2011 and 2019. Our short-horizon event study reports significant…
The availability of social media data is growing and represents a new data source for economic research. This paper presents a detailed study on the use of data from a career-oriented social networking platform…
This paper proposes a novel estimator for nonparametric instrumental regression while controlling for additive two-way fixed effects. In particular, the Landweber–Fridman regularization, to overcome the…
In May 2018, a new regulation, the General Data Protection Regulation (GDPR), on data protection came in the European Union into force. It requires firms to update their data protection strategy and may…
Obtaining indicators on the innovation activities of firms has been a challenge in economic research for a long time. The most frequently used indicators - R&D expenditures and patents - provide an incomplete…
Contributions to Edited Volumes and Conference Proceedings
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2023
Monitoring progress towards environmental sustainability requires measurement of eco-innovation and outcomes, as determined by the absolute level of air, soil and water pollutants. In addition to the OECD…
Contributions to Edited Volumes and Conference Proceedings
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2023
This chapter presents the Mannheim Innovation Panel (MIP), which is the German part of the Community Innovation Surveys (CIS). Differently to most national CIS, the MIP is an annual survey based on a panel…