摘要: This study aims to estimate the recreational use values of Great Lakes beaches using a two-level nested logit Random Utility Model. The choice set contains all 594 public in Michigan. Beach sites located same water body are arranged into nest. trip data were obtained from 2006 online survey web-panel Michigan adults accessed through Survey Sampling International (SSI). variables that affect amount utility derived particular site travel cost and quality variables, which include beach length, days advisory, closure 2006. We report economic loss permanently losing an individual or group as well benefits reducing advisories closures improvement along Michigan's shoreline.