Antitrust analysis conventionally assumes that illegal agreements among competitors raise prices and lower quantities, relative to lawful competition. However, markets for healthcare services have tendencies towards overprovision, which may increase when competition declines. This paper examines this possibility using data from a well-known antitrust case in Wisconsin. We find that, in parts of...

The number of video surveillance deployments in publicly accessible spaces is continuously increasing. At the same time, the call for technical assistance of human operators in terms of so-called smart video surveillance system has been growing ever louder and is addressed by research and development. With such systems, video analysis algorithms for activity recognition, tracking, and biometric...

Data protection legislation requires personal data to be collected and processed only for lawful and legitimate purposes. Unfortunately, existing protection mechanisms are not appropriate for purpose control: they only prevent unauthorized actions from occurring and do not guarantee that the data are actually used for the intended purpose. In this paper, we present a flexible framework for purp...