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...

Using a unique dataset we examine empirically which factors explain output per contributor in open source projects. We find that the output per contributor of open source programmes is much higher when licenses are less restrictive. Further examination suggests that the difference in output per...