@inproceedings{STOC-2006-RoughgardenS,
	author        = "Tim Roughgarden and Mukund Sundararajan",
	booktitle     = "{Proceedings of the 38th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1132516.1132528",
	isbn          = "1-59593-134-1",
	pages         = "79--88",
	publisher     = "{ACM}",
	title         = "{New trade-offs in cost-sharing mechanisms}",
	year          = 2006,
}