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...

Previous literature has found that politically conservative individuals express a lower willingness-to-pay (WTP) for environmental goods than left-wing supporters. Using data from three surveys valuing water we investigate the role of context by evaluating whether the means of provision (public...