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@article{ Johnes2010, title = {Heterogeneity and the evaluation of efficiency: the case of Italian universities}, author = {Johnes, Geraint and Agasisti, Tommaso}, journal = {Applied Economics}, number = {11}, pages = {1365-1375}, volume = {42}, year = {2010}, doi = {https://doi.org/10.1080/00036840701721463}, urn = {https://nbn-resolving.org/urn:nbn:de:0168-ssoar-250133}, abstract = {A random parameters stochastic frontier model is applied to Italian data in order to evaluate the cost function and efficiency of higher education institutions. The method yields useful information about inter-institutional variation in cost structure and technical efficiency. Returns to scale and scope are evaluated for the typical university, and it is found that these returns are almost ubiquitously decreasing, a finding with clear policy implications.}, }