Background: The regional availability of specialized physicians is an important aspect in healthcare of patients with IBD. The association between physician density and healthcare is not yet clear. Most studies did not consider district type, which reflects population density. Our research...

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...