Economic valuation with stated preference techniques : a manual 1. The foundations of economic valuation 2. commissioning a stated preference study 3. Population sample and survey mode 4. designing a contingent valuation questionnaire 5. Contingent valuation : analysing the results 6. designing a choice modelling questionnaire 7. Choice modelling : analysing the results 8. Validity and reliability 9. Aggregation 10. Reporting 11. Combining revealed and stated preference techniques 12. Cautions caveats and future directions 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