Recently, customer-based product development is becoming a popular paradigm. Customer expectations and needs are identified and transformed into requirements for product design with the help of various methods and tools. However, in many cases, these models fail to focus on the perceived value that is crucial when customers make the decision of purchasing a product. In this book, a prescriptive approach to support value-based requirements engineering is proposed, describing the foundations, procedures and initial applications in the context of requirements engineering for commercial aircraft....