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Hans Björnsson


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Hans C. Björnsson

Professor (Research)

Center for Integrated Facility Engineering

Department of Civil and Environmental Engineering

Stanford University


M.Sc (CE) (1967) Chalmers University of Technology, Sweden

M.U.R.P. (1974) University Of Illinois at Urbana-Champaign

Ph.D. (1974) Chalmers University of Technology, Sweden

Hans Bjornsson is a professor (research) at the Center for Integrated Facility Engineering (CIFE) which is working on applying information technologies to the construction industry to improve integration in the process from the design to the management of the constructed facility. The research involves a wide range of technical, social, economical and managerial issues. His own research is in the area of e-commerce in design and construction, computer-supported collaboration, modeling design and construction processes and in the evaluation of IT investments.

He is a former dean of the School of Technology Management & Economics at Chalmers and a professor of Construction Systems Management there. He has been on the faculty of University of Illinois at Urbana-Champaign, M.I.T., and the University of Southern California. He is a member of the Royal Swedish Academy of Engineering Sciences.

Recent Publication (2002)

Refereed conference proceedings

  1. Ekstrom, M., Bjornsson, H., A rating system for AEC e-bidding that accounts
    for rater credibility,
    International Symposium on Procurement Systems and
    Technology Transfer (CIB W092/TG23/TG36), Trinidad/Tobago, January 14-
    17, 2002
  2. Svavarsson, D., Ekström, M., Björnsson, Bergendahl, G., Evaluating IT
    Investments in the AEC Industry, Ninth European Conference on
    IT-Evaluation, Paris, 15-16 July, 2002
  3. Ekstrom, M., Bjornsson, H., A rating system for AEC e-bidding that accounts
    for rater credibility, 10th Joint W055 - W065 International Symposium on
    Construction Innovation and Global Competitiveness (CIB W055, W065),
    Cincinnati, September 2002
  4. Taylor, J., Bjornsson H., Identification and Classification of Value Drivers for
    a New Production Home Building Supply Chain, Tenth Annual Conference on
    Lean Construction, Gramado, Brazil, August 6-8, 2002
  5. Ng, F. and Bjornsson, H., Using Lattices to Evaluate Flexibility in Material
    Procurement Contracts, 3rd International Conference on Decision Making in
    Urban and Civil Engineering, London, November, 2002
  6. Min, J.U., Bjornsson, H., Web Service Integration in AEC Supply Chain Management: An Agent Approach, ECPPM 2002: eWork and eBusiness in AEC, Portorož, Slovenia,  September 8- 11, 2002.

 Journal articles

  1. Ekstrom, M., Bjornsson., H., Trust building tools supporting electronic
    bidding in construction, Journal of Construction Procurement (CIB), Vol. 8.
    No. 2, November 2002, p. 133-147
  2. Ekstrom, M., Bjornsson., H, Accounting for rater credibility when evaluating
    AEC subcontractors, Construction Management and Economics, Spon Press,
    Vol. 21, No, 1, 2003
  3. Ng, Francis, Bjornsson, H, Chieu, S., Valuing a price cap contract for
    material procurement as a real option, accepted for publishing in
    Construction Management and Economics, Spon Press,  2003

Articles submitted to journals; under review

  1. Ekström, Martin, Björnsson, Hans, Nass, Clifford, (2002) A reputation
    mechanism for business-to-business electronic commerce that accounts
    for rater credibility
    , Submitted for Publication in Journal of Electronic Commerce and Organizational Computing (conditionally accepted)
  2. Ekström, Martin, Björnsson, Hans, (2002) Valuing Flexibility in AEC IT investments, Submitted for Publication in Journal of Construction Engineering and Management, ASCE
  3. Ekström, Martin, Björnsson, Hans, Nass, Clifford, Levitt, Raymond, Kunz, John, (2002) The Impact of Rating Systems on B2B Commerce from a Transaction Cost Perspective, Submitted for Publication in International Journal of Electronic Commerce*
  1. Ng, F, Bjornsson, H.,(2002), Using Real Option and Decision Analysis to Evaluate AEC Investments, Submitted for publishing in Construction Management and Economics


  1. Bryman, Martin , Cederberg, Pontus , Björnsson, Hans, Ekström, Martin,
    (2001) Activities performed by venture capitalists in their portfolio
    companies - A comparison between Silicon Valley and Sweden
    , Submitted
    for Publication in Journal of Entrepreneurship Management

Book chapters

  1. Björnsson, H., “IT-strategier I företag och project” in IT-tillämpningar i
    bygg- och fastighetsföretag (uncertain title), forthcoming early 2003 by
    Swedish publisher.

Technical Reports

  1. Bjornsson, H, Crow, R.T., Huntington, H.G., “International Comparisons of
    Electricity Rstructuring: Considerations for Japan, CIFE and The  Energy
    Modeling Forum; Stanford University, September, 2002
  2. CIFE TR 142: "Quantifying Price Flexibility In Material Procurement as a Real
    Option" Francis Ng, Samuel Chiu, Hans Bjornsson, October 2002, 30 pages
  3. CIFE TR 134: "Rating Systems for AEC Subcontractors - The Impact of
    Rater Credibility", Martin A. Ekström, Hans C. Björnsson, Clifford I. Nass,
    July 2002, 29 pages


Contact Information

Stanford University
Stanford, California 94305-4020

Phone: (650) 723-6486
Fax: (650) 723-4806

Email: hansbj@stanford.edu