This manual offers a detailed, up-to-date explanation of how to carry out economic valuation using stated preference techniques. It is relevant for the application of these techniques to all non-market goods and services including air and water quality; provision of public open space; health care that is not sold through private markets; risk reduction policies and investments not provided privately; provision of information as with the recorded heritage, the protection of cultural assets and so on. The resulting valuations can be used for a number of purposes including, but not limited to, demonstrating the importance of a good or service; cost-benefit analysis; setting priorities for environmental policy; design of economic instruments; green national/corporate accounting, and natural resource damage assessment. Compiled by the leading experts in the field, this manual starts by explaining the concepts. It shows how to choose the most appropriate technique and how to design the questionnaires. Detailed advice on econometric analysis is provided, as well as explanation of the pitfalls that need to be avoided.