Insurance system on the demand for labor for a variety of sectors in the Dutch economy. For the simulations we use the Bentolila …

The demand for air transport is largely determined by the spending capacity of customers. Thispaper aims to offer more …

In this paper an inventory model with several demand classes, prioritised according to importance, is analysed. We … consider a lot-for-lot or (S-1,S) inventory model with lost sales.For each demand class there is a critical stock level at and … below which demand from that class is not satisfied from stock on hand. In this way stock is retained to meet demand from …