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%T Heterogeneity and the evaluation of efficiency: the case of Italian universities %A Johnes, Geraint %A Agasisti, Tommaso %J Applied Economics %N 11 %P 1365-1375 %V 42 %D 2010 %K stochastic frontier; random parameter models; costs; higher education %= 2011-05-10T10:35:00Z %~ http://www.peerproject.eu/ %> https://nbn-resolving.org/urn:nbn:de:0168-ssoar-250133 %X 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. %C USA %G en %9 journal article %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info