The correct definition of the product market and of the geographic market is a prerequisite for assessing market structures in antitrust cases. For hospital markets, both dimensions are controversially discussed in the literature. Using data for the German hospital market we aim at elaborating...

Background: This paper analyses the volume-outcome relationship and the effects of minimum volume regulations in the German hospital sector. Methods: We use a full sample of administrative data from the unselected, complete German hospital population for the years 2005 to 2007. We apply...