Tunisian’s public hospitals have been often deemed inefficiency, yet unfortunately no empirical study has demonstrated the breadth and/or depth of this inefficiency. To address this issue, we develop a non parametric methodology to measure efficiency at patient level for five cardiology wards....

In a recent article, Briec, Kerstens and Vanden Eeckaut (2004) develop a series of nonparametric, deterministic non-convex technologies integrating traditional returns to scale assumptions into the non-convex FDH model. They show, among other things, how the traditional technical input...