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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 ...
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 ...