In jüngerer Zeit sind in einigen europäischen Städten Nulltarife im Öffentlichen Personennahverkehr eingeführt worden. Zu welchen Ergebnissen führte diese Maßnahme? Konnten damit Pkw-Fahrer zu einem Umstieg auf den umweltfreundlichen ÖPNV bewegt und die Externaiitäten des Pkw-Verkehrs...

In this paper a model, based on the nested multinomial logit model, is used to analyze airport competition and airline competition in a multiple airport region. It is shown that if the frequency elasticity of demand is smaller than 1, airfare-frequency and airport tax equilibria exist and are...

Conventional economic wisdom suggests that congestion pricing would be an appropriate response to cope with the growing congestion levels currently experienced at many airports. Several characteristics of aviation markets, however, may make naive congestion prices equal to the value of marginal...

This paper develops a methodology to assess transport infrastructure investments and their effects on a Nash equilibria taking into account competition between multiple privatized transport operator types. The operators, including high-speed rail, hub and spoke legacy airlines and low cost...