IOWA STATE UNIVERSITY Department of Economics Working Papers Series Ames, Iowa 50011 Iowa State University does not discriminate on the basis of race, color, age, religion, national origin, sexual orientation, sex, marital status, disability, or status as a U.S. Vietnam Era Veteran. Any persons having inquiries concerning this may contact the Director of Affirmative Action, 1031 Wallace Road Office Building, Room 101, 515-294-7612. Discrete Double Auctions with Artificial Adaptive Agents: A Case Study of an Electricity Market Using a Double Auction Simulator Deddy Koesrindartoto September 2002 Working Paper # 02005