Recreational Demands for Maintaining Instream Flows: A Contingent Valuation Approach
用条件估值法估算科罗拉多州Cache la Poudre河休闲者对于河道内流量的支付意愿，发现低流量时河道内用水的边际价值高于灌溉用水，提示需调整水分配政策。
Abstract Recreational uses of streams, although nonconsumptive, increasingly conflict with traditional off‐stream uses of water in arid regions. Recreational demands for instream flows have collective good attributes such that the recreationists' preferences may be inadequately reflected in water allocation decisions. The contingent valuation approach was adapted to impute instream flow shadow prices from a sample of recreationists on the Cache la Poudre River in northern Colorado. During periods of relatively low flows, the estimated instream flow marginal value exceeds the marginal value of water in irrigation, suggesting a need for altered water allocation policies.