@article { pacheco16,
	journal = {Journal of Mathematical Biology},
	keywords = {Miscellaneous;Multi-Agent Societies;Game Theory;},
	number = {4},
	pages = {997-1010},
	title = {Evolutionary dynamics of collective index insurance},
	volume = {72},
	year = {2016},
	author = {Jorge M. Pacheco and Francisco C. Santos and Simon A. Levin}
}