Competitive paper submitted to the 17th Annual IMP Conference 9-11 September 2001, Oslo, Norway Knowledge and Ignorance of Connections between Relationships by Elsebeth Holmen 1 and Ann-Charlott Pedersen 2 1 Norwegian University of Science and Technology, Department of Industrial Economics and Technology Management, Alfred Getz vei 1, N-7491 Trondheim, Norway. Phone: + 47 73 59 04 64, fax: + 47 73 59 35 65, e-mail: holmen@iot.ntnu.no. University of Twente, Department of Construction Technology & Construction Process, P.O. Box 217, NL-7500 AE Enschede, The Netherlands. E-mail: e.holmen@sms.utwente.nl. University of Southern Denmark - Sønderborg, Grundtvigs Allé 150, DK-6400 Sønderborg, Denmark. E-mail: holmen@sb.sdu.dk. 2 Norwegian University of Science and Technology, Department of Industrial Economics and Technology Management, Alfred Getz vei 1, N-7491 Trondheim, Norway. Phone: + 47 73 59 35 03, fax: + 47 73 59 35 65, e-mail: pedersen@iot.ntnu.no.