Sfb 597 "Staatlichkeit im Wandel" -"Transformations of the State" (WP 141)The contracting between insurers and providers. Therefore, we observe a shift from corporatist self-regulation towards state-regulated market competition within the institutional framework of a social health insurance system. This ongoing reform process towards a welfare market for medical goods was supported by the main political parties on the left and right in order to enhance efficiency and safeguard solidarity.Sfb 597 "Staatlichkeit im Wandel" -"Transformations of the State" (WP 141)