We examine a technology-adoption game with network effects in which coordination on either technology A or technology B constitutes a Nash equilibrium. Coordination on technology B is assumed to be payoff dominant. We define a technology’s critical mass as the minimal share of users, which is...

In late 2005, the German energy companies E.ON and Wintershall and Russian Gazprom reached an agreement to build a new huge pipeline Nord Stream through the Baltic Sea. This pipeline will provide Russia for the first time ever with the direct access to its Western European customers. This...

Ende 2005 vereinbarten die deutschen Energieunternehmen E.ON und Wintershall gemeinsam mit der russischen Gazprom eine neue Pipeline "Nord-Stream" zu bauen, mit der russisches Erdgas erstmalig direkt durch die Ostsee nach Deutschland geliefert werden kann. Diese Pipeline erhöht die Sicherheit...

In late 2005, the German energy companies E.ON and Wintershall and Russian Gazprom reached an agreement to build a new huge pipeline Nord Stream through the Baltic Sea. This pipeline will provide Russia for the first time ever with the direct access to its Western European customers. This...