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Directional distances and their robust versions : computational and testing issues
Daraio, Cinzia; Simar, Léopold - In: European journal of operational research : EJOR 237 (2014) 1, pp. 358-369
Persistent link: https://www.econbiz.de/10010378590
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Dynamic effects in inefficiency : evidence from the Colombian banking sector
Galán, Jorge E.; Almeida, Helena Tenório Veiga de; … - In: European journal of operational research : EJOR 240 (2015) 2, pp. 562-571
Persistent link: https://www.econbiz.de/10010487008
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Generalized estimation of productivity with multiple bad outputs : the importance of materials balance constraints
Atkinson, Scott Estes; Tsionas, Efthymios G. - In: European journal of operational research : EJOR 292 (2021) 3, pp. 1165-1186
Persistent link: https://www.econbiz.de/10012502432
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Direct estimation of marginal characteristics of nonparametric production frontiers in the presence of undesirable outputs
Podinovski, Victor V. - In: European journal of operational research : EJOR 279 (2019) 1, pp. 258-276
Persistent link: https://www.econbiz.de/10012102744
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Panel data stochastic frontier model with determinants of persistent and transient inefficiency
Lai, Hung-pin; Kumbhakar, Subal - In: European journal of operational research : EJOR 271 (2018) 2, pp. 746-755
Persistent link: https://www.econbiz.de/10011890405
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The case for the use of multiple imputation missing data methods in stochastic frontier analysis with illustration using English local highway data
Stead, Alexander D.; Wheat, Phill - In: European journal of operational research : EJOR 280 (2020) 1, pp. 59-77
Persistent link: https://www.econbiz.de/10012132361
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Estimating Malmquist productivity indexes using probabilistic directional distances : an application to the European banking sector
Kevork, Ilias S.; Pange, Jenny; Tzeremes, Panayiotis; … - In: European journal of operational research : EJOR 261 (2017) 3, pp. 1125-1140
Persistent link: https://www.econbiz.de/10011740596
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On distinguishing the direct causal effect of an intervention from its efficiency-enhancing effects
Badunenko, Oleg; D'Inverno, Giovanna; De Witte, Kristof - In: European journal of operational research : EJOR 310 (2023) 1, pp. 432-447
Persistent link: https://www.econbiz.de/10014340187
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Efficiency decomposition in two-stage data envelopment analysis : an application to non-life insurance companies in Taiwan
Kao, Chiang; Hwang, Shiuh-nan - In: European journal of operational research : EJOR 185 (2008) 1, pp. 418-429
Persistent link: https://www.econbiz.de/10003768793
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The determinants of efficiency and productivity in the Swiss insurance industry
Biener, Christian; Eling, Martin; Wirfs, Jan Hendrik - In: European journal of operational research : EJOR 248 (2016) 2, pp. 703-714
Persistent link: https://www.econbiz.de/10011409749