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The structure of production technologies with ratio inputs and outputs Ole Bent OlesenNiels Christian PetersenVictor V. Podinovski OriginalPaper Open access 09 March 2022 Pages: 255 - 267
Exploring hospital efficiency within and between Italian regions: new empirical evidence Cristian BarraRaffaele LagravineseRoberto Zotti OriginalPaper Open access 11 March 2022 Pages: 269 - 284
Goodness--of--fit tests for stochastic frontier models based on the characteristic function Simos G. MeintanisChristos K. Papadimitriou OriginalPaper 14 March 2022 Pages: 285 - 296
Energy intensity improvement and energy productivity changes: an analysis of BRICS and G7 countries Ching-Ren ChiuMing-Chung ChangJin-Li Hu OriginalPaper 14 March 2022 Pages: 297 - 311
Elasticity measurement on multiple levels of DEA frontiers: an application to agriculture Seda Busra SaracKazim Baris AticiAydin Ulucan OriginalPaper 25 April 2022 Pages: 313 - 324