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Explaining cost overruns in infrastructural projects: A new framework with applications to Sweden

Author

Listed:
  • Brunes, Fredrik

    () (Department of Real Estate and Construction Management, Royal Institute of Technology)

  • Lind, Hans

    () (Department of Real Estate and Construction Management, Royal Institute of Technology)

Abstract

The first part of the article presents a new framework for analyzing cost overruns. It has a descriptive part in two dimensions: when during the process that the cost overrun arose and what part of the cost function was responsible (change in the product, change in quantities of the inputs and change in price of inputs. The explanatory part is a development of Flyvbjerg´s theories and identifies four possible explanations: political/strategic aspects, psychological aspects, competence related and bad luck. It is argued that Flyvbjerg´s technological explanation belongs to the descriptive part. The empirical part of the paper uses this framework to analyze cost overruns in infrastructure projects in Sweden, primarily based on a questionnaire to experienced project managers. The results is that most of the cost overruns occur in the planning stages up to the final design and are related to design changes and to increases in the amount of inputs needed because of technical and administrative problems. Of the explanatory factors there is most support for lack of competence and optimism bias.

Suggested Citation

  • Brunes, Fredrik & Lind, Hans, 2014. "Explaining cost overruns in infrastructural projects: A new framework with applications to Sweden," Working Paper Series 14/1, Royal Institute of Technology, Department of Real Estate and Construction Management & Banking and Finance.
  • Handle: RePEc:hhs:kthrec:2014_001
    as

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    References listed on IDEAS

    as
    1. Cantarelli, C.C. & Molin, E.J.E. & van Wee, B. & Flyvbjerg, B., 2012. "Characteristics of cost overruns for Dutch transport infrastructure projects and the importance of the decision to build and project phases," Transport Policy, Elsevier, vol. 22(C), pages 49-56.
    2. Cantarelli, C.C. & Flyvbjerg, B. & Buhl, S.L., 2012. "Geographical variation in project cost performance: the Netherlands versus worldwide," Journal of Transport Geography, Elsevier, vol. 24(C), pages 324-331.
    3. Chantal C. Cantarelli & Caspar G. Chorus & Scott W. Cunningham, 2013. "Explaining Cost Overruns of Large-Scale Transportation Infrastructure Projects using a Signalling Game," Papers 1307.2180, arXiv.org.
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    More about this item

    Keywords

    cost overrun; theoretical framework; infrastructure; Sweden;
    All these keywords.

    JEL classification:

    • L21 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Business Objectives of the Firm
    • L24 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Contracting Out; Joint Ventures
    • L32 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Public Enterprises; Public-Private Enterprises

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