Fare, Rolf; Grosskopf, Shawna and Zelenyuk, Valentin (2002): Finding Common Ground: Efficiency Indices. Published in: Aggregation, Efficiency, and Measurement (2007): pp. 83-95.
Fare, Rolf and Zelenyuk, Valentin (2002): On Mr. Farrell's Decomposition and Aggregation. Published in: International Journal of Business and Economics , Vol. 4, No. 2 (2005): pp. 167-171.
Fare, Rolf and Zelenyuk, Valentin (2004): Aggregation of Scale Elasticities Across Firms. Unpublished.
Simar, Leopold and Zelenyuk, Valentin (2004): On testing equality of distributions of technical efficiency scores. Published in: Econometric Reviews , Vol. 25, No. 4 (December 2006): pp. 497-522.
Zelenyuk, Valentin (2005): Testing the impact of ICT in developed countries during 1980-1995: distributional analysis in Solow’s growth accounting framework. Unpublished.
Zelenyuk, Valentin (2005): Power of significance test of dummies in Simar-Wilson two-stage efficiency analysis model. Published in: Applied Economics Letters , Vol. 15, No. 16 (2009): pp. 1493-1495.
