“…Other fields of research where the inventory-theoretic framework has been applied include the topics of interaction/cooperation between different agents in the supply chain (Allen et al, 1985;Sheffi, 1985;Tyworth and Zeng, 1998), consolidation, i.e. grouping several small shipments into one large shipment Buffa, 1986aBuffa, , b, 1987Swenseth and Buffa, 1990), order splitting, i.e. placing an order with two or more suppliers instead of a single supplier (Ganeshan et al, 1999;Dullaert et al, 2005), distribution network design (Perl and Sirisoponsilp, 1988;Campbell, 1990), and a comparison of distribution strategies .…”