In dieser Studie nehmen wir neben den klassischen Zielen der Frequenzregulierung, wie z. B. der Schaffung wettbewerblicher Marktstrukturen, auch die Aspekte der Nachhaltigkeit und Resilienz in den Blick. So hat z. B. die Ausgestaltung von Versorgungsauflagen für Mobilfunknetzbetreiber im...

In this paper, we examine whether domestic or global output gap affects inflation in three panels: the European Union, the peripheral countries of the European Union, and the Eurozone. We have also analysed the impact of these variables on inflation in individual countries of the European Union....

Subsidiaries are important in the global strategy of multinational enterprises (MNEs). However, in the face of uncertainty and competition, the decision to divest a subsidiary from a market becomes a critical decision for MNEs. This study suggests that the factors for divesting subsidiaries are...

We study an infinitely repeated oligopoly game in which firms compete on quantity and one of them is capacity constrained. We show that collusion sustainability is non-monotonic in the size of the capacity constrained firm, which has little incentive to deviate from a cartel. We also present...

Using firm-level survey data from Germany, this paper asks how do supply constraints propagate monetary policy shocks? To answer this question, we first offer a general discussion on the measurement of supply constraints. We show that capacity utilization, a widely accepted measure of...

Using unique firm-level survey data from Germany, this paper investigates two measures of supply constraints: a new direct measure that indicates material shortages and capacity utilization, a widely accepted measure of bottlenecks and slack. We document substantial heterogeneity in supply...