This paper surveys the evolutionary game theoretic literature on reciprocity in human interactions, dealing both with long-term relationships and with sporadic interactions. Four basic themes, repetition, commitment, assortation, and parochialism, appear repeatedly throughout the literature....

A randomly selected treatment group of households in Gurgaon, India was informed whether (or not) their drinking water had tested positive for fecal contamination using a simple test costing about $0.50. Households that were not initially purifying their water, and were told that their drinking...

Strong reciprocity refers to the willingness to sacrifice one's own material self-interest to punish others for opportunistic actions. This propensity provides a decentralized mechanism for the enforcement of social norms, but its extent and persistence poses a theoretical puzzle. Since...

The demand for environmental quality is often presumed to be low in developingcountries due to poverty. Less attention has been paid to the possibility that lack of awareness about the adverse health effects of environmental pollution could also keep the demand low. We use a household survey...

A positive theory of mitigation of environmental degradation is discussed in order to understand the formation of environmental policy. When an environmental problem is not mitigated, this is because those affected don't know it is happening, cannot locate the cause, don't have the resources to...

This paper uses a choice experiment conducted in Nepal during 2013 to estimate household-level willingness to participate in a village-level program under the Reduced Emissions from Deforestation and Forest Degradation initiative requiring reductions in fuelwood collection, as a function of the...

With data from the nearly 6,000 households in the Nepal Living Standards Survey of 2010–11, this paper finds that the mean reduction in household firewood collection associated with use of a biogas plant for cooking is about 1,100 kilograms per year from a mean of about 2,400 kilograms per...

A significant portion of the world’s forests that are eligible for Reducing Emission from Deforestation and Forest Degradation, known as REDD , payments are community managed forests. However, there is little knowledge about preferences of households living in community managed forests for...