In der Diskussion über die staatliche Förderung des Breitbandausbaus wird immer wieder die Frage aufgeworfen, ob und in welchem Umfang Unternehmen von neuen Netzen profitieren. Empirische Analysen auf Grundlage von Unternehmensdaten und Daten zur Breitbandverfügbarkeit in Deutschland zeigen,...

We exploit two policy interventions in Berlin, Germany, to causally identify the impact of Airbnb on rental markets. While the first intervention significantly reduced the number of high-availability Airbnb listings bookable for most of the year, the second intervention led to the exit of...

We study the effect of a merger between two Dutch supermarket chains to assess its effect on the depth as well as composition of assortment. We adopt a difference-in-differences strategy that exploits local variation in the merger’s effects, controlling for selection on observables through a...

Unlike most retrospective merger studies that only focus on price effects, we also estimate the impact of a merger on product variety. We use an original dataset on Dutch supermarkets to assess the effect of a merger that was conditionally approved by the Dutch Competition Authority (ACM) on...

We analyze the pass-through of cost changes to retail tariffs in the German electricity market over the 2007 to 2014 period. We find an average pass-through rate of around 60%, which significantly varies with demand factors: while the pass-through rate to baseline tariffs, where firms have...

How does the choice to regulate a market take place? And how does regulation influence market outcome? We argue that to explicitly model the simultaneity between these two issues makes a qualitative difference in the analysis of the role of regulation, and empirically test our model in the U.S....

This paper empirically investigates contrasting views on the politics of economic policy. Merging different databases, we test various predictions coming form different strands of literature, with the aim of explaining the cross-sectional and temporal variation in the degree of regulatory...