Ali, Agha Iqbal; Cook, Wade D.; Seiford, Lawrence M. - In: Management Science 37 (1991) 6, pp. 733-738
In a recent paper, Golany (1988) proposes an interesting extension of Data Envelopment Analysis to the situation where ordinal relations among weights corresponding to certain dimensions exist. However, the development of the extended model contains mathematical errors and the proposed...
