Among both inventory theorists and practitioners, it is common use to include an opportunity cost rate in the holding cost rate. In that way, the cost of capital can be roughly incorporated in an average cost (AC) inventory model. The traditional way for calculating the opportunity cost rate is...

Reverse logistics concerns the integration of used and obsolete products back into the supply chain as valuable resources. Economic, marketing, and legislative drivers increasingly are leading companies to take back and recover their products after use. The arising product flows pose novel...

This proceedings volume contains a selection of 87 papers presented at the Symposium on Operations Research (SOR 99) that was held at the Otto-von-Guericke-University of Magdeburg from September 1-3, 1999. The contributions cover developments in Mathematical Programming, Combinatorial...