This paper studies the ambiguous welfare effects of compatibility in a platform market with endogenous content provision. Compatibility can be particularly harmful if it leads to reduced content but can be beneficial if content is sufficiently increased.

This paper studies the relationship between transparency on the consumer side and productivity of firms. We show that more transparent markets are characterized by higher average productivity as firms with low productivity abstain from entering these markets.

Spitzenpolitiker deutscher Volksparteien propagieren öffentlich die Förderung nationaler Champions im Bankwesen. Auch andere Institutionen fordern eine Konsolidierung des Bankwesens und verweisen dabei auf die schwache Rentabilität und die geringe Konzentration deutscher Banken. Wir...

In diesem Aufsatz gehen wir der Frage nach, welche Rolle regionale Banken in einer globalisierten Welt spielen können. Wir argumentieren, dass regionale Banken aufgrund einer stärkeren Kundenbindung und flacher Hierarchien Wettbewerbsvorteile realisieren können. Kostennachteile aufgrund der...

This paper yields a rationale for why subsidized public banks may increase regional welfare in a financially integrated economy. We present a model with credit rationing and heterogeneous regions in which public banks prevent a capital drain from poorer to richer regions by subsidizing local...

In diesem Aufsatz gehen wir der Frage nach, welche Rolle regionale Banken in einer globalisierten Welt spielen können. Wir argumentieren, dass regionale Banken aufgrund einer stärkeren Kundenbindung und flacher Hierarchien Wettbewerbsvorteile realisieren können. Kostennachteile aufgrund der...

We analyze capital requirements if banks compete for loans and deposits. Banks and firms are subject to a risk-shifting problem. The ambiguous effect of competition on banks’ risk-taking translates into an ambiguous effect of capital requirements on financial stability.

We construct a model of the banking firm with inside and outside equity and use it to study bank behavior and regulatory policy during crises. In our model, a bank can increase the risk of its asset portfolio (“risk shift”), convert bank assets to the personal benefit of the bank manager...

Politicians should spend money as efficiently as possible. But what is the best method of granting state aid to firms? We use a theoretical model with firms that differ in their success probabilities and compare different types of direct subsidies with indirect subsidies through bank loans. We...