@article {Chen:06a, title = {An In-Depth Analysis of Information Markets with Aggregate Uncertainty}, journal = {Electronic Commerce Research}, volume = {6}, number = {2}, year = {2006}, pages = {201{\textendash}221}, url = {http://econcs.seas.harvard.edu/files/econcs/files/ecr_2006.pdf}, author = {Yiling Chen and Tracy Mullen and Chao-Hsien Chu} }