@conference {Chen:05a,
	title = {Information Markets vs. Opinion Pools: An Empirical Comparison},
	booktitle = {Proceedings of the Sixth ACM Conference on Electronic Commerce (EC{\textquoteright}05)},
	year = {2005},
	pages = {58-67},
	url = {http://econcs.seas.harvard.edu/files/econcs/files/ec221-chen.pdf},
	author = {Yiling Chen and Chao-Hsien Chu and Tracy Mullen and David M. Pennock}
}
