This paper presents a utility function model of donors who need to determine their donation to a charity organization that structures and publishes donations by tiers. By considering the prestige associated with each tier level, our analysis suggests that a tiered scheme generates an incentive...

We consider the problem of optimizing the location and size of buffers in semi-continuous manufacturing processes. This problem is formulated as a non-linear integer program that determines the optimal buffer size for individual stages and allocates tanks to those stages in order to minimize...

We consider the anesthesiologist staff planning problem for operating services departments in large multi-specialty hospitals. In this problem, the planner makes monthly and daily decisions to minimize total costs. The monthly decisions include deciding how many anesthesiologists should be on...