Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/204523
Authors: 
Gremm, Cornelia
Bälz, David
Corbo, Chris
Mitusch, Kay
Year of Publication: 
2019
Series/Report no.: 
KIT Working Paper Series in Economics No. 135
Publisher: 
Karlsruher Institut für Technologie (KIT), Institut für Volkswirtschaftslehre (ECON), Karlsruhe
Abstract: 
The intercity bus market in Germany was deregulated in 2013. As a consequence, there is now a dense network of intercity bus lines. For the first time, the German state-owned railway company Deutsche Bahn AG faces intermodal competition in public intercity passenger land transport on a large number of lines. This paper examines market entry factors for intercity bus companies and price reactions of the incumbent railway company from a theoretical perspective. Our model builds on Salop's circular city model to describe the horizontal product differentiation among the bus companies. At the same time, the railway company occupies the center of the circle and offers a higher product quality than the buses. It dominates the market, while a number of bus companies constitute an oligopolistic competitive fringe. In the subsequent comparative statics analysis, it is shown that the quality differential between the train and bus services have a considerable effect on market entry decisions by buses as well as on price reactions by the incumbent railway company. In particular, on routes where the quality advantage of railway services is rather small, buses are more likely to enter and the railway company will respond with a stronger price reduction than on other routes.
Subjects: 
intermodal competition
intercity railway and bus services
Salop circle model with center, vertical and horizontal product differentiation
dominant firm with oligopolistic fringe
JEL: 
R40
L11
L13
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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