This policy brief highlights the key messages for policy makers from the World Bank report "Seeing the Invisible: A Strategic Report on Groundwater Quality" (Ravenscroft and Lytton 2022a). This report and “A Practical Manual on Groundwater Quality Monitoring" (Ravenscroft and Lytton 2022b)...

The study sought to assist governments in introducing school-focused programming into reforms of primary education. The included: (i) an assessment of how well 26 World Bank-assisted project designs for primary education met criteria for educational effectiveness; (ii) the preparation of a...

"Freund and Ozden provide new survey evidence showing that loss aversion and reference dependence are important in shaping people's perception of trade policy. Under the assumption that agents' welfare functions exhibit these behavioral elements, they analyze a model with a welfare-maximizing...

"In determining domestic water prices, policy makers often need to use information about the demand side rather than only relying on information about the supply side. Household surveys have frequently been employed to collect demand-side information. This paper presents a multiple bounded...

"The authors interviewed commuters in Delhi, India, asking them to report their willingness to pay (WTP) to reduce their risk of dying in road traffic accidents in each of three scenarios that mirror the circumstances under which the majority of the road fatalities in Delhi occur. The WTP...

"The authors show how willingness to pay surveys can be used to gauge household demand for improved network water and sanitation services. They do this by presenting a case-study from Sri Lanka, where they surveyed approximately 1,800 households in 2003. Using multivariate regression, they show...

"Laplante, Meisner, and Wang present a study of willingness-to-pay of the Armenian Diaspora in the United States to protect Armenia's Lake Sevan, a unique and precious symbol of the Armenian cultural heritage. Dichotomous choice contingent valuation questions were asked in mail surveys to elicit...

"Xie, Shah, Capannelli and Wang use a contingent valuation method to study the design of economic incentives to phase out polluting motorcycles in Bangkok. Like in many other cities, the government of Bangkok has been considering a series of control measures to discourage and eventually...

"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...