In this short paper, cartel behaviour is analysed with respect to the market shares of cartel members. There is some evidence in previous theoretical and empirical research that market shares under collusion are more stable than in phases of competition. It is shown that this can be an artifact...

In this paper, we develop a market screening model to detect inconstancies in price changes. Although there is a long history of industrial organization research of collusion, price setting behavior, and conduct - a robust model to detect structural changes in market structure was missing so...

Die halbjährliche Zeitumstellung führt immer wieder zu heftigen Diskussionen, ob die damit verbundenen Unannehmlichkeiten durch eine entsprechende Energieersparnis gerechtfertigt sind. Die Autoren haben die Stromersparnis für die Optionen Sommerzeit und Winterzeit (Status quo), nur Winterzeit...