In this paper we provide evidence on the existence of short-run trade diversion effects as a consequence of tariff shocks. We exploit sudden policy changes in the context of the trade dispute between the US and China. Based on a data set covering monthly product-level information on US imports...

Policy makers are increasingly concerned about the combination of market power and massive data collection in digital markets. This concern is fueled by the theoretical prediction that more market power causes firms to collect ever more data from their users. We investigate the relationship...

Using a new administrative dataset, we provide fresh micro-level evidence on firms’ returns to scale (RTS). We employ a new administrative database, iBACH, which contains extensive high-quality annual balance sheet, financial, and demographic information on more than two million non-financial...