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机译:Testing household preferences for the importance of the frequency and severity of water quality impairment
Brock Univ, Dept Econ, St Catharines, ON, Canada;
Univ Wisconsin, Sch Freshwater Sci, 600 E Greenfield Ave, Milwaukee, WI 53204 USA;
Univ Victoria, Dept Biol, Victoria, BC, Canada;
Water quality index; phosphorous loading; nonmarket value; discrete choice experiment; latent class model;