Pinyan Lu, Tao Xiao. Improved Efficiency Guarantees in Auctions with Budgets. In Tim Roughgarden, Michal Feldman, Michael Schwarz, editors, Proceedings of the Sixteenth ACM Conference on Economics and Computation, EC '15, Portland, OR, USA, June 15-19, 2015. pages 397-413, ACM, 2015. [doi]
Abstract is missing.