The paper considers methodological issues pertinent to the economic assessment of ecosystem services. It is primarily written for a natural science audience however it also proposes a methodology which is intended to be of interest to economists charged with undertaking valuation work for...

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...