We consider the work flow in a medical teaching facility, examining the process that involves an initial patient exam by a resident physician, a subsequent conference between the resident and the attending physician, and the attending physician's visit with the patient. We create an analytical...

This paper contributes to the supply chain contracts literature in economics and operations by performing qualitative sensitivity analysis of a wholesale price contract in a two-echelon supply chain setting. Order-theory tools are used to derive sufficient conditions for monotonicity of contract...

We consider a retailer with one radio frequency identification (RFID) enabled supplier and one non-RFID enabled supplier. Assuming vendor managed inventory, we address the problem of allocation and pricing of the retail shelf-space. Using a Stackelberg game where the retailer leads, we observe...

Although uncertainty is rife in many project management contexts, little is known about adaptively optimizing project schedules. We formulate the problem of adaptively optimizing the expected present value of a project's cash flow, and we show that it is practical to perform the optimization....

We consider a retailer with one radio frequency identification (RFID) enabled supplier and one non-RFID enabled supplier. Assuming vendor managed inventory, we address the problem of allocation and pricing of the retail shelf-space. Using a Stackelberg game where the retailer leads, we observe...

Demand volatility and production lead time oblige manufacturers of made-to-stock goods to use economic forecasts in deciding on production quantities. Manufacturers of finitely durable goods face an additional complication—in making production decisions, they must consider not only the...

We consider project scheduling where the project manager’s objective is to minimize the time from when an adversary discovers the project until the completion of the project. We analyze the complexity of the problem identifying both polynomially solvable and NP-hard versions of the problem....

Machine sequencing formulations typically assume that the characteristics of the job set to be processed are given. However, in many applications, jobs can be batched in different ways. Two types of minimum flow-time sequencing problems with lot sizing are formulated. The "item-flow" formulation...

Traditional scheduling models have emphasized sequencing of tasks at machines. At multiple-machine work-centers mean flow times are affected by the allocation of work to machines, as well as the batch-sizes used for processing. An efficient algorithm for computing the optimal solution for the...