This paper is concerned with the problem of maintaining open order due dates in job shops that plan and schedule their operations using Material Requirements Planning (MRP) methodology. Two different techniques for dealing with open order due date changes are analyzed using customer service...

Eilon and Christofides (E & C), in their paper on "The Loading Problem" [Eilon, S., N. Christofides. 1971. The loading problem. Management Sci. 17(5, January) 259-268.], suggest a solution using a heuristic algorithm. In this note we would like to present a simpler heuristic algorithm which is...