"Anreizmodelle zur Förderung von privaten Public Value-Angeboten" [Incentive Models to Support Private Public Value Offerings], presentation of the survey on regulation by incentive options for the services of private broadcasters by W. Schulz at the DLM symposium "Public Value – Was soll der private Rundfunk für die Gesellschaft leisten?" [Public Value - What Should Private Broadcasting Do for Society?] in Berlin on 17 March 2011.