@article{Easley1997, title = {The information content of the trading process}, author = {David Easley and Nicholas M. Kiefer and Maureen O'Hara}, journal = {Journal of Empirical Finance}, month = {Jun}, number = {2-3}, pages = {159--186}, url = {http://www.sciencedirect.com/science/article/B6VFG-3SX0D5B-4/1/0edf227b8e82cde794ebf8d2a9757917}, volume = {4}, year = {1997}, biburl = {http://www.bibsonomy.org/bibtex/224c4258688e3cccc52e93a54f9257cfb/smicha}, keywords = {Market microstructure } }