Productivity growth measurement and decomposition under a dynamic inefficiency specification: The case of German dairy farms. - Ioannis Skevas; Grigorios Emvalomatis; Bernhard Brümmer (Eur. J. Oper. Res., 2018)

Inference in the spatial autoregressive efficiency model with an application to Dutch dairy farms. - Ioannis Skevas (Eur. J. Oper. Res., 2020)

A generalized true random-effects model with spatially autocorrelated persistent and transient inefficiency. - Ioannis Skevas; Theodoros Skevas (Eur. J. Oper. Res., 2021)