We consider the problem of scheduling a project when there is an adversary from whom you want to conceal the project’s progress. Interfering with the progress by the adversary is called interdiction. Interdiction may involve hiring away key employees, campaigning for a change in zoning laws,...

This paper studies outsourcing decisions for a two-level service process in which the first level serves as a gatekeeper for a second level of experts. The objective of the system operator (the client) is to minimize the sum of staffing costs, customer waiting costs, and mistreatment costs due...