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Accounting for intra-industry technological heterogeneity in the measurement of operations efficiency
Tsionas, Efthymios G.; Patel, Pankaj - In: International journal of production economics 260 (2023), pp. 1-11
Persistent link: https://www.econbiz.de/10014310170
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Comparison of stochastic frontier models using the Hyvärinen factor
Tsionas, Efthymios G. - In: Economics letters 202 (2021), pp. 1-5
Persistent link: https://www.econbiz.de/10012607224
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Bounded rationality and thick frontiers in stochastic frontier analysis
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 284 (2020) 2, pp. 762-768
Persistent link: https://www.econbiz.de/10012238794
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Directional technology distance functions through duality
Tsionas, Efthymios G. - In: Economics letters 190 (2020), pp. 1-5
Persistent link: https://www.econbiz.de/10012228175
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Remarks on bank competition and convergence dynamics
Tsionas, Efthymios G. - In: Journal of risk and financial management : JRFM 13 (2020) 5/101, pp. 1-5
In a recent paper, Karadima and Louri use frontier-based measures of market power and bank competition in an application to Euro Area banking. The purpose of the present note is to access their paper in a critical way, as there are certain fallacies and errors.
Persistent link: https://www.econbiz.de/10012304947
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A note on Sigma-Mu efficiency analysis as a methodology for evaluating units through composite indicators
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 286 (2020) 3, pp. 1187-1196
Persistent link: https://www.econbiz.de/10012291636
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Microfoundations for stochastic frontiers
Tsionas, Efthymios G. - In: European journal of operational research : EJOR 258 (2017) 3, pp. 1165-1170
Persistent link: https://www.econbiz.de/10011644701
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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
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The profit function system with output- and input-specific technical efficiency
Tsionas, Efthymios G. - In: Economics letters 151 (2017), pp. 111-114
Persistent link: https://www.econbiz.de/10011742145
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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