In this paper we tackle the problem of the presence of negative average rate of returns in the computation of the performance of ethical mutual funds. The presence of these negative values raises problems both in the computation of the classical performance indicators and in DEA modeling. In...

The field of theoretical and applied efficiency analysis is pursued both by economists and people from operational research and management science. Each group tends to cite a different paper as the seminal one. Recent availability of extensive electronically accessible databases of journal...

En el Consejo Europeo de Lisboa (2000) los Jefes de Estado y de Gobierno de la Unión Europea fijaron como objetivo conseguir que la economía europea se convirtiese en la más competitiva y dinámi-ca del mundo para el año 2010. De este modo las actividades de investigación y desarrollo (I+D)...

We measure the capacity output of a firm as the maximum amount producible by a firm given a specific quantity of the quasi-fixed input and an overall expenditure constraint for its choice of variable inputs. We compute this indirect capacity utilization measure for the total manufacturing sector...