Narrow search
Showing 1 - 10 of 17
Cover Image
Optimal combinations of stochastic frontier and data envelopment analysis models
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 294 (2021) 2, pp. 790-800
Persistent link: https://www.econbiz.de/10012595910
Cover Image
Stochastic frontier models with time-varying conditional variances
Tsionas, Efthymios G.; Kumbhakar, Subal - In: European journal of operational research : EJOR 292 (2021) 3, pp. 1115-1132
Persistent link: https://www.econbiz.de/10012502428
Cover Image
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
Cover Image
Endogenous dynamic efficiency in the intertemporal optimization models of firm behavior
Tsionas, Efthymios G.; Malikov, Emir; Kumbhakar, Subal - In: European journal of operational research : EJOR 284 (2020) 1, pp. 313-324
Persistent link: https://www.econbiz.de/10012238677
Cover Image
A spatial stochastic frontier model with endogenous frontier and environmental variables
Kutlu, Levent; Tran, Kien C.; Tsionas, Efthymios G. - In: European journal of operational research : EJOR 286 (2020) 1, pp. 389-399
Persistent link: https://www.econbiz.de/10012240243
Cover Image
On the estimation of technical and allocative efficiency in a panel stochastic production frontier system model : some new formulations and generalizations
Kumbhakar, Subal; Tsionas, Efthymios G. - In: European journal of operational research : EJOR 287 (2020) 2, pp. 762-775
Persistent link: https://www.econbiz.de/10012293949
Cover Image
Quantile stochastic frontiers
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 282 (2020) 3, pp. 1177-1184
Persistent link: https://www.econbiz.de/10012161889
Cover Image
Revisiting the returns of public infrastructure in Mexico : a limited information local likelihood estimation
Mamatzakis, Emmanuel C.; Tsionas, Efthymios G. - In: Economic modelling 75 (2018), pp. 132-141
Persistent link: https://www.econbiz.de/10012101457
Cover Image
On the estimation of total factor productivity : a novel Bayesian non-parametric approach
Tsionas, Efthymios G.; Polemis, Michael - In: European journal of operational research : EJOR 277 (2019) 3, pp. 886-902
Persistent link: https://www.econbiz.de/10012102208
Cover Image
A Bayesian semiparametric approach to stochastic frontiers and productivity
Tsionas, Efthymios G.; Mallick, Sushanta Kumar - In: European journal of operational research : EJOR 274 (2019) 1, pp. 391-402
Persistent link: https://www.econbiz.de/10011990080