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| Agrell, Per J.; Bogetoft, Peter; Tind, Jorgen. |
| This article discusses models in data envelopment analysis (DEA) relaxing the standard convexity assumptions. The basic model treats mutually incomparable pairs of sets to be generated by a procedure proposed earlier. Each pair consists of a consumption set and a production set of feasible input-output combinations. Two fundamental operations by the procedure are based on intersection and convex hull generation in the input-output space. A polarity analysis is performed which, subject to the usual assumptions about free disposability and nonnegativity, appears fruitful to do in the framework of blocking and antiblocking sets. It is shown how this leads to an interchange of the above operations extending some classical results from convex analysis. The last... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Data Envelopment Analysis; Polarity; Research Methods/ Statistical Methods. |
| Ano: 2000 |
URL: http://purl.umn.edu/24188 |
