This paper focus on a contingent valuation (CV) exercise as to compute estimates for the willingness to pay (WTP) for recreation and biodiversity benefits of a Natural Park in Portugal. The CV survey gathers 1678 respondents and three development policy options. We refer to the Wilderness Areas...

This paper explores the statistical validity of the willingness to pay (WTP) answers from a contingent valuation (CV) survey concerning value assessment of recreation and biodiversity protection programs. Firstly, we use a non-parametric testing approach as to evaluate the whether (a) different...

For the past two decades, China has experienced strong, continuous economic growth. At the same time, the number of motor vehicles in China has rapidly increased. As a direct result of such a phenomenon, China has been registering significant increases in air pollution. In spite of recent...