A contingent valuation survey of Thai adults revealed that private demand for a hypothetical AIDS vaccine that is safe, has no side effects, and lasts 10 years, rises with income, the lifetime risk of HIV infection and vaccine efficacy, and declines with vaccine price and respondent’s age.

In the summer of 2005, we interviewed 996 randomly selected respondents in Beira, Mozambique concerning their willingness and ability
to pay for cholera vaccine for themselves and for other household members. Respondents were told that two doses of the vaccine would be

The demand function for vaccines against typhoid fever was estimated using stated preference
data collected from a random sample of 1065 households in Hue, Vietnam, in 2002. These are the first
estimates of private willingness-to-pay (WTP) and demand functions for typhoid vaccines in a
developing country.

This paper analyses the impact of income inequality on public good provision in an experimental setting. A sample of secondary school students were recruited to participate in a simple linear public goods game where income heterogeneity was introduced by providing participants with unequal token endowments.

The European Union has been relatively cautious about using biotechnology in food production. A label regime combined with the right of individual member states to ban introduction of new genetically modified (GM) strains means thatGMfood products in effect are banned in many countries.

We show how it is possible to empirically test whether a ban can be motivated by reference to potential negative externalities. This is followed up by results from a choice experiment.We cannot reject the hypothesis of equal WTP for a ban and a labeling scheme.

In the highlands of Ethiopia, livestock as an important component of the mixed farming system perform multiple functions providing high quality food, draft power and manure for crop production, and cash income. Field studies in different parts of the country in the 1980s showed that livestock account for 37-87% of total farm cash income of farmers, indicating the importance of livestock in rural livelihood, especially as one moves from mixed farming in the highlands to agropastoral systems on the highland-lowland margins (Gryseels, 1988).

This paper analyses participatory development through the lens of public goods theory. South Africa's Community Water Supply & Sanitation Programme is discussed as a case study.

We explore the effect of income inequality and peer punishment on voluntary provision of public goods in an experimental context. Our sample draws from nine fishing communities in South-Africa where high levels of inequality prevail.

The proportion of money sent, which is typically assumed to reflect trust, decreased significantly as the stake
size was increased in a trust game conducted in rural Bangladesh.

Nevertheless, even with very large stakes, most senders and receivers sent substantial fractions.

This paper reports the results of a stated preference survey in the highlands of Ethiopia where the farmers are given a choice between an agricultural extension package and a local public - representing two major developing strategies. The study finds that a majority of people prefers the public good.