public authorities should assess what recreational services can be offered citizens visitingaprotected natural area. therefore, the characterisation of visitors as well as the economic valuation of apark’srecreational use would allow the proposal of management strategies to satisfy visitors. for this purpose,410 surveys were taken of visitors to the calaresdelmundoandsimanatural park (spain). t...

this study determines the consumers’ willingness to pay for organic milk in tehran by using contingent valuation method and single bounded dichotomous choice questionnaire. logit regression model was used to evaluate the effect of explanatory variables on willingness to pay and the model parameters were estimated by using maximum likelihood approach. for this purpose, 450 questionnaires were co...

background: air pollution in tehran, capital of iran is responsible for several diverse negative effects. it has been estab­lished that air pollution can affect human health. these health effects include increased hospital admissions due to the ex­acerba­tion of cardiac and respiratory diseases, as well as symptoms such as headache, cough, eye irritation, nausea, sputum and even death in the mo...

To see whether the surrounding real estate price after soil and groundwater pollution remediation will revert to the level before the risk of implicit pollution, this paper uses research methods, such as the hedonic price method and contingent valuation method for analysis. The results of empirical analysis reveal that the hedonic price method will be restricted by trade cases around pollution ...

Income effects reported in contingent valuation (CV) studies tend to be much smaller than those found in the literature on collective choice. This disparity has received surprisingly little attention by environmental economists. The present study uses meta-analysis to explore determinants of the presence/absence of a significant income effect in a sample of CV surveys. The probability of signif...