Have you ever been faced with a complex, multi-stage decision like what is the best strategy for testing and drilling for oil, or should we build a new plant or buy an existing one? What about bidding on a new project – what should you bid, and how should you react to your opponent’s bid? Or perhaps you are faced with determining the best litigation strategy is in a legal dispute, or the best series of medical tests and procedures to maximize a patient’s chance of recovery?