@Inproceedings{ Zhao12-WEB,
  author = {K. Zhao and X. Zhao and J. Deng},
  title = {Re-examine Price Dispersion: How Biased Are Listing Prices?},
  booktitle = {Proc. of the 11th Workshop on E-Business (WEB 2012)},
  month = {December 15},
  year = {2012},
  pages = {},
  volume = {},
  address = {Orlando, FL, U.S.A.},
  note = {to appear} }