ILKE ONUR TOBB Economics and Technology University   60. Sokak 19/5 Gunes Apt. Emek Mahallesi Ankara, 06510 TURKEY   ionur@etu.edu.tr   http://ikt.etu.edu.tr/Ilke_Onur_Eng.html   Biographical Sketch: Ilke Onur is currently an Assistant Professor in the Department of Economics at TOBB Economics and Technology University. He earned his Ph.D. in Economics from the University of Texas at Austin in 2005. His current research interests are industrial organization, game theory, auction theory, economics of information systems and electronic commerce.   Primary Research Focus: Internet Auctions   JEL Areas: D0 : Microeconomics: General C7 : Game Theory and Bargaining Theory:General