Presents information to create a trade-off analysis framework for use in government and commercial acquisition environments this book presents a decision management process based on decision theory and cost analysis best practices aligned with the ISO/IEC 15288, the systems engineering handbook, and the systems engineering body of knowledge. It provides a sound trade-off analysis framework to generate the tradespace and evaluate value and risk to support system decision-making throughout the life cycle. Trade-off analysis and risk analysis techniques are examined. The authors present an integrated value trade-off and risk analysis framework based on decision theory. These trade-off analysis concepts are illustrated in the different life cycle stages using multiple examples from defense and commercial domains.