@inproceedings{fpgft,
	author = {Riccardo Colini{-}Baldeschi and Paul W. Goldberg and Bart de Keijzer and Stefano Leonardi and Stefano Turchetta},
	title = {Fixed Price Approximability of the Optimal Gain from Trade},
	booktitle = {Proceedings of the 13th International Conference on Web and Internet Economics (WINE)},
	pages = {146--160},
	year = {2017},
	publisher = {Springer}
}