@inproceedings{CKKK-EC11,
  title = "On the Efficiency of Equilibria in Generalized Second Price Auctions",
  author = "Caragiannis, Ioannis and Kaklamanis, Christos and Kanellopoulos, Panagiotis and Kyropoulou, Maria",
  year = "2011",
  booktitle = "Proceedings of the 12th ACM Conference on Electronic Commerce (EC)",
  isbn = "978-1-4503-0261-6",
  keywords = "auctions, equilibria, generalized second price, price of anarchy",
  pages = "81--90",
  series = "EC '11",
  url = "http://doi.acm.org/10.1145/1993574.1993588",
  doi = "10.1145/1993574.1993588",
}