Voluntary Public Goods Provision, Coalition Formation, and Uncertainty
---- Acknowledgements -----
We would like to thank Mark Isaac, Marc Nerlove, Ulrich Wagner, Tobey Page, Michael Greenstone, Wayne Gray, and seminar participants at the Columbia, Harvard, NBER, Resources for the Future, the University of California at Berkeley, the University of California at Santa Barbara, and the University of Maryland for helpful comments. Gary Charness provided invaluable insights at many stages of our experimental development. However, we are responsible for all errors. Supported in part by the National Science Foundation, grant No. 0114437, and Resources for the Future. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.