After reviewing some of the basic preprocessins techniques for handling safety stocks and multilevel problems, we discusss a variety of aspects arising particularly in small and large bucket (time period) models such as stars-ups, changeovers, minimum batch sizes, choice of one or two set-ups...

In this case study of the Swedish beer market we relate the volatility of firms' market shares to changes in their products' market shares. We focus on the four leading firms' product portfolios, and in particular the development of the market shares of old, newly introduced, and withdrawn...