Sen’s seminal, negative theorem about minimal liberalism has had a profound effect on economics, philosophy, and the social sciences. To address concerns raised by his result, we show how Sen’s assumptions must be modified to obtain positive conclusions; e.g., one resolution allows an agent...

The concept of generosity is largely used in the literature on pension systems. However this concept is not really clarified and very different pension systems are qualified as generous. The purpose of our paper is twofold. First of all, we investigate the concept, the different uses made,...