We model a spot market in a make-to-stock industry with two types of suppliers: A type 1 supplier faces stochastic contracted demand and has access to the spot market for liquidating surplus, while a type 2 supplier produces only for the spot market. We find the production quantity equilibrium...

Co-sourcing is a new type of inter-organizational relationship, that is broader, both in operational scope and in risk sharing, than traditional outsourcing relationships. Based on a number of case studies, we develop analytical models of co-sourcing which evaluate when it is optimal, and what...

Rapid technological developments and deregulation of the telecommunications industry have changed the way in which leading content providers distribute and price their goods and services. Instead of selling both content and access through proprietary networks, these firms are shifting their...

Many companies use successful WIP limiting strategies such as CONWIP, kanban or drum-buffer-rope to control parts flows in complex production systems. This paper analyzes assembly systems with a tree structure, random processing times and a constant WIP control system. A heuristic version of the...