This paper has developed and estimated a valuation model for water quality improvement. After reviewing more than 100 studies, we set up a data set that has 332 valuations from 38 distinct studies. Based on the data set, we estimate a linear valuation model, which can then be used to predict the...

Recreation demand models are typically plagued by limited information on site attributes. If these unobserved site attributes are correlated with the observed characteristics and/or the travel cost variable, the resulting parameter estimates are likely to be biased. We develop a Bayesian...