This paper analyses the extent of inter-format retail competition between supermarkets, discounters and drugstores in Germany, using data from the German market for diapers. We estimate a random coefficient logit model at the individual household level. Based on consumer substitution patterns,...

Research on bargaining power in vertical relationships is scarce. It remains particularly unclear which factors drive bargaining power between the two negotiating parties in a vertical structure. We use a demand model where the consumer demand determines the total pie of industry profits....

Der vorliegende Beitrag befasst sich mit aktuellen Wettbewerbsproblemen im deutschen Lebensmitteleinzelhandel. Im Mittelpunkt der Analyse stehen der zunehmende Konzentrationsprozess und seine Determinanten. Darauf aufbauend diskutieren wir Aspekte der Marktabgrenzung insbesondere im Hinblick auf...

This paper provides an empirical analysis how tariff diversity affects broadband uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broadband tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate the demand for fixed broadband...

This paper provides an empirical analysis how tariff diversity affects fixed-line broadband uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broadband tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate demand, controlling for...

This paper develops the hypothesis that the inclusion of multiple objectives into laws widens the discretionary powers of executive institutions. As the decision how to balance trade-offs is removed from the political to the executive sphere, policy making becomes less transparent and also less...

This paper provides an empirical analysis how tariff diversity aspects fixed-line broad-band uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broad-band tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate demand, controlling...

Im September 2011 hat das Bundeskartellamt eine Sektoruntersuchung des Lebensmitteleinzelhandels nach §32 e GWB eingeleitet. Im Fokus der Untersuchung sollten "die Wettbewerbsbedingungen auf den Märkten für die Beschaffung von Nahrungs- und Genussmitteln durch die Unternehmen des...