"Studies comparing household surveys with on-site interceptor surveys have typically accounted for over-sampling avid users in the on-site interceptor surveys (that is, endogenous stratification). However, these studies have typically not accounted for the possibility that the household sample...

"This paper presents a case study of willingness-to-pay (WTP) estimation using random valuation models. A contingent valuation survey was conducted in Yerevan, Armenia to estimate people's WTP for the protection of Lake Sevan. Three elicitation formats - open-ended, closed-ended, and the...

The Bhutan Forest Note articulates opportunities for supporting Bhutan's sustainable development aspirations, including its constitutional commitment to maintain at least 60 percent of the country's land area under forest cover and to better respond or prepare for vulnerabilities such as climate...

This study answers the key questions on marine protected areas (MPAs) by assessing country experience with these and other tools along the marine management area continuum that have been adopted to address loss of biodiversity and fisheries and other marine resource degradation, which have...

The participation of local communities and other stakeholders in managing forestry and conservation projects can help to improve forest productivity, alleviate poverty, enhance environmental sustainability, and make rules governing forest access more enforceable. Introducing participatory...

Sri Lanka's ten-year development framework aims at accelerating economic growth while ensuring a path of sustainable development and prioritizing conservation of the country's natural heritage. It is in this context that this policy note seeks to examine the scope for enhancing protection of Sri...

"A tradable development rights (TDR) program focusing on biodiversity conservation faces a crucial problem defining which areas of habitat should be considered equivalent. Restricting the trading domain to a narrow area could boost the range of biodiversity conserved but could increase the...