The superior performance of echelon stock based policies for multi-stage serial and assembly inventory systems has been well established in literature. De Bodt and Graves [1] were the first to develop an echelon stock based continuous review (R,Q) model for a two-stage serial system. In this...

In this paper, we present an aggregate production planning (APP) model applied to a Portuguese firm that produces construction materials. A multiple criteria mixed integer linear programming (MCMILP) model is developed with the following performance criteria: (1) maximize profit, (2) minimize...