Dieser Beitrag diskutiert die wettbewerbliche Einschätzung von Nachfragemacht im Handel. Die Bewertung von Nachfragemacht hängt maßgeblich davon ab, ob Beschaffungsmärkte dem Bild des Monopsons mit einer fragmentierten Anbieterstruktur oder dem Bild bilateraler Verhandlungen gleichen. Wenn...

This paper argues that - in contrast to an often expressed view - the formation of larger and more powerful buyers need not reduce welfare by stifling suppliers´ incentives. If contracts are determined in bilateral negotiations, the presence of larger buyers may both increase...

We challenge the view that the presence of powerful buyers stifles suppliers´ incentives to innovate. Following Katz (1987), we model buyer power as buyers´ ability to substitute away from a given supplier and isolate several effects that support the opposite view, namely that the presence of...

This paper studies the impact of buyer power on dynamic efficiency. We consider a bargaining model in which buyer power arises endogenously from size and may impact on a supplier's incentives to invest in lower marginal cost. We challenge the view frequently expressed in policy circles that the...

This paper argues that - in contrast to an often expressed view - the formation of larger and more powerful buyers need not reduce welfare by stifling suppliers' incentives. If contracts are determined in bilateral negotiations, the presence of larger buyers may both increase suppliers'...

This paper studies the impact of buyer power on dynamic efficiency. We consider a bargaining model in which buyer power arises endogenously from size and may impact on a supplier's incentives to invest in lower marginal cost. We challenge the view frequently expressed in policy circles that the...

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...