Super efficiency evaluations are introduced along the lines of the potential improvements approach in Bogetoft and Hougaard (1999). Both a reference selection and a related super efficiency index is defined. The new (potential slack) super efficiency index is compared to a Farrell-based super...

Many studies have attempted to explain estimated inefficiency, for instance by bounded rationality, ignorance, lack of incentives or motivation etc. However, the presence of inefficiency remains in conflict with the neo-classical idea of economic rationality. This paper suggests ways in which...

In this paper, we suggest that inefficiency may be an indirect, on-the-job compensation to agents in an organization. We show how to use actual production data to reveal the trade-offs between different inefficiencies (slacks). Moreover, we discuss how to use this to improve productivity...