We evaluate the sensitivity of distance decay in individuals’ stated willingness to pay (WTP) for water quality improvements in eutrophied lakes. We extend the standard model of contingent valuation (CV) by allowing individuals to adopt a sequential evaluation process consisting of two...

The Rio Conference in 1992, with its Agenda 21 and the statement of principles for sustainable development, was an important impetus for environmental issues in Costa Rica, which together with processes already emerging in the country, led to the creation of Program Payment for Environmental...