Cwiakala-Malys, Anna; Nowak, Wioletta - In: Operations Research and Decisions 3 (2009), pp. 5-18
This article contains a method for classifying Data Envelopment Analysis models. Two main criteria i.e. orientation and returns to scale are used. These criteria enable distinguishing between oriented and non-oriented DEA models with constant and variable returns to scale. Basic properties of...