Der Benchmark „Internationale Telekommunikationsmärkte“ betrachtet die Entwicklung der Marktstruktur und der aktuellen Marktergebnisse auf den Festnetz-, Mobilfunk- und Breitbandmärkten in den großen EU-Ländern…
The majority of industrial organizations literature on network externalities looks at firm behavior under given market characteristics. The present paper instead asks the question whether the presence of network…
This paper uses Granger non{causality tests to analyze if channel competition exists between the companion websites of 93 German newspapers observed between I/1998 and II/2005. It provides econometric evidence…