This model discusses mobile network operators' (MNOs) incentives to invest in their network facilities such as new 4G networks under various regimes of data roaming charge regulation. Given an induced externality of investments (spillovers) due to the roaming agreements it will be shown that...

In this paper we investigate the existence of a two-tier medical system in the German acute care hospital sector using data from a survey of 483 German hospitals. The focus of our analysis lies on the impact of hospital concentration on the probability of discrimination of patients with...

Financial constraints are an important impediment to the growth of small businesses. We study theoretically and empirically how the financial constraints of agents affect their decisions to exert effort, and, hence the organizational decisions and growth of principals, in the context of...

Consumers increasingly prefer to bundle their purchases into a single shopping trip, inducing complementaries between initially independent or substitutable goods. Taking this one-stop shopping behavior into account, we show that slotting fees may emerge as a result of a rent-shifting mechanism...

IT-Compliance als Teilbereich der IT-Governance erlangt derzeit wachsende Bedeutung. Dass die Forderung nach Gesetzestreue trivial erscheint, offenbar jedoch nicht ist, belegen allein schon die in 2008 bekannt gewordenen Compliance-Verstöße. Diesbezüglich wird die Befolgung der Vorschriften...

The benefits of family ownership and control of firms are at the center of the family firm debate. Previous studies have used either family ownership or management as proxies for control. Both indicators are off the mark, as they do not measure decision control as intended by the theory of the...

This paper investigates the impact of work group diversity on performance. Analyzing a uniquely large sample of management teams from the U.S. mutual fund industry we find that the influence of diversity on performance depends on the dimension of diversity that is analyzed. Informational...

The paper addresses the business value discussion of IT focussing on Business Process Management (BPM), where BPM is understood as an integrated management concept with IT as a critical enabling technology. To answer the question if there could be any financial benefit effects due to...

Im Rahmen der Controllingstudie, die vom VDMA Bayern unterstützt wird, wurde der Fragestellung der Kooperationen kleiner und mittlerer Unternehmen (KMU) in Netzwerken, Verbänden, Interessensgemeinschaften oder virtueller Unternehmen hinsichtlich der Umsetzung strategischer Geschäftsideen, wie...

Im Rahmen dieser Studie die vom VDMA Bayern unterstützt wird, wurde der Fragestellung der Kooperationen kleiner und mittlerer Unternehmen (KMU) in Netzwerken, Verbänden, Interessensgemeinschaften oder virtueller Unternehmen hinsichtlich der Umsetzung strategischer Geschäftsideen, wie z.B. der...