This study is related to optimum control strategies used by a manager supervising a group of independent activities whose performances deteriorate with time. At the end of a day, the manager evaluates information regarding the performance levels of the activities during that day and decides...

We have tried to present an experiment in the detection of illegal weapons production, using a rather modest and simplified computer simulation. Three inspection schemes are defined by their ability to detect evasion and to avoid false alarms, and their effects are simulated using Monte Carlo...

Practically all existing analyses covering the obsolescence or the improvement of productive facilities are concerned with equipment replacement. An extension of such considerations to general capital investment analysis would seem to be a natural development. The present analysis is related to...