Goerg, Sebastian Max Planck Institute for Research on Collective Goods, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1111/ecin.12245/full (Publisher version)
Goerg, S., Lightle, J. P., & Ryvkin, D. (2016). Priming the charitable pump: an experimental investigation of two-stage raffles. Economic Inquiry, 54(1), 508-519.