Hierarchal decision structures are prevalent systems, competitive economic organizations, supply chain, agricultures, bio-fuel production, and so on. The area of the multi-level optimization provides the art of science of making such decisions. Several mathematical models for such problems have been presented. The fundamental idea of the multi-level optimization is to is that the leader decides his goals then asks the followers in the organization for their solutions which obtained individually. The followers’ decisions are then presented and altered by the leader in the light of general advantage for the association.

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