While in the primal DEA model weights are associated with factors, each dual weight (so called because they are obtained as a result of solving the dual DEA model ) is associated with a DMU. The value of the dual weight ? indicates the importance attributed to unit j in defining tlie input-output mix of the composite unit (Oral and Yolalan 1990).
Dual weights – dual multipliers
by Ali Emrouznejad & Rajiv Banker
William W Cooper
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