Increasing awareness of food safety issues has brought a boost in sanitary and phytosanitary regulations and standards. Although is likely that these regulations have increased health and welfare in the countries that impose them, they may also have an important effect in exporting countries,...

To test for preference heterogeneity in dichotomous choice contingent valuation responses, a random parameter logit (RPL) specification is used in this analysis. The RPL model confirms heterogeneity in respondents' preferences for protection of public open space, as reflected in statistically...