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Anonymity, reciprocity,and conformity: evidence from voluntary contributions to a national park in Costa Rica
(Environment for Development, 2008)
We investigate the role of anonymity, reciprocity, and conformity for voluntary contributions, based on a natural fieldexperiment conducted at a national park in Costa Rica. Contributions made in public in front of the ...
Deforestation impacts of environmental services payments: Costa Rica's PSA Program 200-2005
(Environment for Development, 2008)
Costa Rica’s environmental services payments program (Pagos por Servicios Ambientales, or PSA) started in 1997 and was the true pioneer in this area. It is broadly cited and has led to numerous calls for emulating its ...
Paying the price of sweetening your donation: evidence from a natural field experiment
(Environment for Development, 2010-02)
Using a natural field experiment in a recreational site, a public good almost fully dependent on voluntary donations, we explored the crowding-out effect of gift rewards. First, we investigated whether receiving a map in ...
Determinants of Performance of Drinking-Water Community Organizations
(Environment for Development, 2010-02)
This paper presents an institutional analysis of the underlying factors affecting the performance of drinking-water community organizations in rural areas of Costa Rica. These organizations provide water to more than 60 ...
Don't tell me what to do, tell me who to follow!: field experiment evidence on voluntary donations
(Environment for Development, 2010-06)
We conducted a field experiment in a protected area to explore the effects of conformity to a social reference versus a comparable, but imposed, suggested donation. As observed before, we see visitors conforming to the ...