As the CCR primal model places no restriction on the weights other than a lower bound of epsilon, it is not rare for a unit to be rated efficient at the expense of having a very uneven distribution of weights where some or most of the factors have been practically ignored. To remedy the situation, additional restrictions on weights may be used.
Weight Flexibility
by Ali Emrouznejad & Rajiv Banker
Two days training at Aston University
See details HERE
William W Cooper
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