Hillenbrand, Adrian Max Planck Institute for Research on Collective Goods, Max Planck Society;
Winter, Fabian Max Planck Institute for Research on Collective Goods, Max Planck Society;
http://www.coll.mpg.de/pdf_dat/2017_12online.pdf (Any fulltext)
Hillenbrand, A., & Winter, F. (2017). Volunteering under Population Uncertainty.