摘要：The paper illustrates a methodology based on the combined use GIS instruments and Contingent Valuation Surveys to manage, in an integrated way, geographic information on the distribution in space of natural assets and respondents. The objective is to develop a procedure that, avoiding assumptions on the market scope for environmental assets and on the contents of respondents’ choice sets, has the potential to provide more reliable estimates of benefits, to be used in support of environmental and resource management decision.
