Backcountry hikers' willingness-to-pay for removing grazing from trails in the Hoover Wilderness is analyzed using a multinomial Dirichlet negative binomial distribution. This multivariate discrete distribution allows the direct calculation of seasonal welfare measures that are derived from an...

We adapt the theoretical state-preference model to value nonmarket public goods under individual uncertainty about use, illustrating with an assessment of willingness-to-pay to prevent acid rain lake damage in the northeast. Individual usage uncertainty is modeled via probabilities of...