Network-effects may lead to imperfect competition and may therefore make a Strategie trade policy attractive for a country exporting network goods. I analyze the implications of Strategie trade policy in a model of horizontal produetdifferentiation with network effects. Within this framework,...

Die Rendite von Sparkassen und Genossenschaftsbanken liegt in Deutschland über der von privaten Geschäftsbanken. Das vorliegende Papier bietet einen theoretischen Erklärungsansatz, der diese Renditeunterschiede auf Differenzen in der Kreditvergabestrategie zurückführt. Dieses Modell zeigt,...

Computer-owners combine complementary goods to a computer-system. They exchange data with others and between different applications. These interdependencies lead to three different network effects, which are explained in the framework of Hotelling models. In the framework of a one-dimensional...

Standard international trade lectures normally comprises three central theories: the Ricardian Model, the Heckscher-Ohlin-Samuelson Modell and New Trade Theory à la Krugman 1979 and 1980. Nowadays this trilogy needs to be enhanced with the basic concepts of a new class of trade models: the New...