1. Referierte Fachzeitschrift // 2023

    Clustered Bids in First-Price Auctions: Collusion or Competition?

    Clustering of the two most competitive bids in first-price auctions can be indicative of collusive behavior. However, it can also reflect non-cooperative strategies under complete information. I propose a simple…

  2. Referierte Fachzeitschrift // 2023

    The Impact of the EU General Data Protection Regulation on Product Innovation in Firms

    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…

  3. Referierte Fachzeitschrift // 2023

    Quantifying subjective uncertainty in survey expectations

    An increasing number of household and firm surveys ask for subjective probabilities that the inflation rate falls into various outcome ranges. We provide a new measure of the uncertainty implicit in such…

  4. Referierte Fachzeitschrift // 2023

    Estimating pass-through rates for the 2022 tax reduction on fuel prices in Germany

    We analyze the effectiveness of the German tax reduction on fuel prices (‘Tankrabatt’) that was introduced for three months, starting on 1 June 2022. We use the synthetic difference-in-differences estimator to…