The benefits of nature-based tourism to biodiversity conservation are often presumed but rarely quantified. The relative value placed on attributes of nature parks is unknown, as is the contribution of biodiversity to tourists' willingness to visit a particular protected area. We surveyed...

The importance of natural capital to economic systems is increasingly recognized. Previous empirical models of economic growth rates, however, have emphasized accumulation of physical and human capital. This paper shows that the economic growth of over 70 countries has been positively affected...