Jansen, Jos Max Planck Institute for Research on Collective Goods, Max Planck Society;
http://dx.doi.org/10.1111/j.1530-9134.2008.00173.x (Any fulltext)
Jansen, J. (2008). Information Acquisition and Strategic Disclosure in Oligopoly. Journal of Economics and Management Strategy, 17(1), 113-148.