Matching and Challenge Gifts to Charity:Evidence from Laboratory and Natural Field Experiments
---- Acknowledgements ----
We are grateful to the British Columbia Chapter of the Sierra Club of Canada for allowing us to design their fundraising campaign. Part of the writing of this paper was done while Daniel Rondeau was an OECD fellow and Visiting Scholar at the LAboratoire Méditerranéen d'Économie Théorique et Appliquée (LAMETA), INRA-Montpellier, France. Their financial support and hospitality is gratefully acknowledged. We also thank seminar participants at Wharton, Columbia, and the 2004 EAERE and 2005 ASSA meetings. Richard Carson, Rachel Croson, Glenn Harrison, Liesl Koch, David Reiley, Lise Vesterlund, Stefano della Vigna, Timothy Cason and three anonymous referees provided remarks that improved the manuscript. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.