In this note I show that there is a mistake in the proof of uniqueness in Engelbrecht-Wiggans, Milgrom and Weber's seminal "Competitive Bidding and Proprietary Information" and provide a correct proof. © 2005 Elsevier B.V. All rights reserved.
Dubra, J. (2006). A correction to uniqueness in “Competitive Bidding and Proprietary Information.” Journal of Mathematical Economics, 42(1), 56–60. https://doi.org/10.1016/j.jmateco.2004.04.003