Emiel Maasland Erasmus University, SEOR BV   Erasmus University, SEOR BV, Room H 06-12 P.O. Box 1738 3000 DR Rotterdam Rotterdam, 3000 DR Netherlands   emaasland@few.eur.nl   http://www.seor.nl/       Primary Research Focus: Auction Theory   JEL Areas: D4 : Market Structure and Pricing: General D0 : Microeconomics: General