We analyse a (differentiated good) industry where an incumbent firm owns a networkgood (essential input) and faces potential competition in the (downstream) retailmarket. Unlike the traditional approach, we consider a scenario where the decision tocompete or not in the downstream segment is...

The aim of this paper is to compare empirically the effects of transport cost reductions due to infrastructure investments, emerging under different market structures. To this end, a computable spatial general equilibrium model with costly interregional trade is presented, which is calibrated...

Ziel der vorliegenden Arbeit ist es, - Voraussetzungen zur Ermittlung wertorientierter Performance Kennzahlen für Flughafenunternehmen deren Aussagekraft sowie Anwendbarkeit in der Praxis ....zu erkunden, - ausgewählte europäische börsennotierte und nicht-börsennotierte Verkehrsflughäfen...

Das Ziel dieser Studie ist es, die Bedeutung von Cloud-Diensten, die insbesondere von international tätigen Hyperscalern angeboten werden, für die digitale Souveränität der KMU zu bewerten. Dieser Bericht ist der erste Teil von drei und beleuchtet den CloudMarkt mit seinen relevanten...

Future sustainable energy systems will need efficient, clean,low-cost, renewable energy sources, as well as market structuresthat motivate sustainable behaviors on the part ofhouseholds and businesses. “Smart grid” components canhelp consumers manage their consumption only if pricingpolicies...

We argue that, in a simple setting, the relation between the intensity of competition and cost-reducing investment is U-shaped. We consider a two-stage game with cost-reducing investments followed by a linear differentiated Cournot duopoly. We first show that, except for firms that are much less...

This paper examines empirically the role of market structure for the influence of spill-over effects on R&D-cooperations. The results of a microeconometric analysis, based on firm data on innovation, let in general presume that with intensified competition also the influence of spillovers on...