We consider the situation of a single item having a deterministic, time-varying demand pattern. Production lot sizes, so as to minimize the total of setup and carrying costs, are to be determined subject to production capacity restrictions that can vary with time. Two important theorems...

We examine the problem of scheduling days off in continuous (seven-day-a-week) operations under a variety of day-off policies, when demand for manpower is N on weekdays and n on weekend days. We consider a number of policies governing employee work assignments and in each case we give a formula...

We examine the effects of component commonality on optimal safety stock levels in a two-product, two-level inventory model. The criterion is to minimize system safety stock subject to a service level constraint. Although our model is specialized, its analysis provides insights not available in...