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Do Entrance Fees Crowd Out Donations for Public Goods? Evidence from a Protected Area in Costa Rica
Alpízar, Francisco, (2014)
Paying the price of sweetening your donation: Evidence from a natural field experiment
Alpízar, Francisco, (2012)
Don’t Tell Me What to Do, Tell Me Who to Follow! - Field Experiment Evidence on Voluntary Donations
Alpízar, Francisco, (2010)