What happens to demand if a magazine launches a website? This question is empirically analyzed for the German women?s magazine market, a particularly large segment of the German magazine where fierce competition is reigning. Models for differentiated product demand are estimated on panel data...

Wir untersuchen die Bedingungen, unter denen infolge der Globalisierung, insbesondere des Verfalls der (Informations-) Transaktionskosten Wettbewerbspolitik möglich ist. Zunächst zeigen wir in einem theoretischen Abschnitt die Folgen der veränderten Transaktionskosten auf institutionelle...

The Internet has become an integral part of the everyday life of households, firms and governments. Its proper functioning over the long run is therefore crucial for economic growth and people’s wellbeing more generally. The success of the Internet depends on its openness and the confidence of...

The Internet is often anticipated to have disruptive competitive impacts, causing upstart firms to overthrow incumbent market leaders. This paper uses the UK IT consulting industry as a test case to see whether such competitive impacts of the Internet might already be occurring. Comparable...

A reduction in search costs is generally believed to make markets more competitive. However, the effect may be mitigated or amplified if consumers must pay costs for switching products. This paper investigates how search costs affect prices in the presence of switching costs using U.S. domestic...

Most research concerning e-business offers a methodology, measures the predisposition of the firm or evaluates the consequences in terms of management.This research aims at designing a model for assessing e-business strategies based on the strategic alignment perspective.Using the Information...

La plupart des travaux de recherche concernant l’e-business présentent une méthodologie, mesurent la prédisposition des entreprises ou évaluent les conséquences en terme de gestion.Cette recherche vise à apporter un modèle d’analyse des stratégies e-business, à partir de la...

The internet is often anticipated to have disruptive competitive impacts, causing upstart firms to overthrow incumbent market leaders. This paper uses the UK IT consulting industry as a test case to see whether such competitive impacts of the internet might already be occurring. Comparable...

Mediating transactions through the Internet removes important cues that salespeople can use to assess a consumer's willingness to pay. We analyze whether dealers' difficulty in identifying consumer characteristics on the Internet and consumers' ease in finding information affect race and gender...

We investigate the implications of Network Neutrality regulation for Internet fragmentation. We model a two-sided market, where Content Providers (CPs) and consumers interact through Internet Service Providers (ISPs) and CPs sell consumers' attention to advertisers. Under Network Neutrality, CPs...