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- Multiplier adjustment in data envelopment analysisPublication . Santos, Jorge M. A.; Cavique, Luís; Mendes, Armando B.Weights restriction is a well-known technique in the DEA field. When those techniques are applied,weights cluster around its new limits, making its evaluation dependent of its levels. This paper introduces a new approach to weights adjustment by Goal Programming techniques, avoiding the imposition of hard restrictions that can even lead to unfeasibility. This method results in models that are more flexible.