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Zelenyuk, Natalya; Zelenyuk, Valentin - 2014

Persistent link: https://www.econbiz.de/10011342007

Mayer, Andreas; Zelenyuk, Valentin - In: European journal of operational research : EJOR 238 (2014) 3, pp. 774-785

Persistent link: https://www.econbiz.de/10010401937

Zelenyuk, Valentin - In: European journal of operational research : EJOR 240 (2015) 1, pp. 269-277

Persistent link: https://www.econbiz.de/10010491711

Curi, Claudia; Guarda, Paolo; Lozano Vivas, Ana; … - In: Journal of productivity analysis 40 (2013) 3, pp. 367-385

Persistent link: https://www.econbiz.de/10010411355

Zelenyuk, Natalya - 2017

suffered from significant inefficiencies. In this work, we estimate the intermediation-type efficiency of individual banks, and …

Persistent link: https://www.econbiz.de/10012972842

Mayer, Andreas; Zelenyuk, Valentin - In: The Palgrave handbook of economic performance analysis, (pp. 527-557). 2019

Here, we consider the problem of aggregation of efficiency and productivity indices. We will summarize some of the …

Persistent link: https://www.econbiz.de/10012175867

Färe, Rolf; Zelenyuk, Valentin - In: Economics letters 196 (2020), pp. 1-4

Persistent link: https://www.econbiz.de/10012510101

Simar, Léopold; Zelenyuk, Valentin; Zhao, Shirong - 2022

Persistent link: https://www.econbiz.de/10013258269

Zelenyuk, Valentin - In: European journal of operational research : EJOR 282 (2020) 1, pp. 172-187

Persistent link: https://www.econbiz.de/10012157592

Zelenyuk, Natalya; Zelenyuk, Valentin - 2021

Persistent link: https://www.econbiz.de/10012428455