Ahn, T.K.; Isaac, R. Mark; Salmon, Timothy C. - In: Journal of Public Economics 93 (2009) 1-2, pp. 336-351
When a public good is congestible, individuals wanting to provide the public good face challenges in forming groups of optimal size, selecting the members of the group, and encouraging members to contribute for the public good. We conduct a series of experiments in which subjects form groups...