Assessing efficiency in the Spanish public universities through comparative non-radial and radial data envelopment analysis

In this study we have used data from Spanish public universities to assess their efficiency in a longitudinal framework between 2008/9–2014/15. To carry out the analysis, two windows data envelopment analysis and intertemporal, non-radial and radial analysis methodologies were compared. The main results show a significant deterioration in university efficiency from the 2012/13 academic year for the three proposed frontiers, with both...