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Exploring escalation of commitment in construction project management: case study of the Scottish Parliament project.

Ahiaga-Dagbui, Dominic D.; Smith, Simon D.

Authors

Dominic D. Ahiaga-Dagbui

Simon D. Smith



Contributors

A. Raiden
Editor

E. Aboagye-Nimo
Editor

Abstract

Successfully managing large construction projects within defined budget and time constraints has always been a major challenge largely because crucial decisions about the project's ultimate fate have to be made within an environment of significant uncertainty at the beginning of the project. It is not surprising that cost and time overruns are commonplace on construction projects. Existing literature often suggests economical, technical, political or managerial roots to this phenomenon. A less explored possible cause within construction management framework is the escalation of commitment to a course of action. This theory, grounded in social psychology and organisation behaviour, suggests the tendency of people and organisations to become 'locked-in' and 'entrapped' in a particular course of action and thereby 'throw good money after bad' to make the venture succeed. This defies conventional rationality behind subjective expected utility theory. Through a critical analysis of the literature, we identify different frequently cited enablers of escalation of commitment. Using a hindsight constructivist approach, we then demonstrate references to some of these enablers on the Scottish Parliament project. We found strong evidence in support of possible strategic misrepresentation, confirmation bias, self-justification and optimism bias. We highlight the importance of setting realistic time and budget constraints to circumvent escalation and make several recommendations to attenuate unwarranted escalation of commitment, including the use of an objective outsider to evaluate responses to disconfirming information and the structuring of incentive systems that do not punish for inconsistency in order to curb the effects of self-justification and reputation management.

Start Date Sep 1, 2014
Publication Date Dec 31, 2014
Publisher ARCOM Association of Researchers in Construction Management
Pages 753-762
ISBN 9780955239083
Institution Citation AHIAGA-DAGBUI, D.D. and SMITH, S.D. 2014. Exploring escalation of commitment in construction project management: case study of the Scottish Parliament project. In Raiden, A. and Aboagye-Nimo, E. (eds.) Proceedings of the 30th Association of Researchers in Construction Management (ARCOM) annual conference, 1-3 September 2014, Portsmouth, UK. Reading: ARCOM [online], pages 753-762. Available from: http://www.arcom.ac.uk/...Ahiaga-Dagbui_Smith.pdf
Keywords Cost overruns; Confirmation bias; Escalation of commitment; Self justification; Strategic mis- representation
Publisher URL http://www.arcom.ac.uk/-docs/proceedings/ar2014-0753-0762_Ahiaga-Dagbui_Smith.pdf

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