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Risk And Rationality: An Exploration Of Prospect Theory In The Context Of Project Management

Tsiga, Zakari Danlami; (2019) Risk And Rationality: An Exploration Of Prospect Theory In The Context Of Project Management. Doctoral thesis (Ph.D), UCL (University College London). Green open access

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Project management focuses on delivering outcomes using available resources with predetermined goals (Glemarec & Puppim de Oliveira, 2012). Economic theory presents the concept of utility in decision making, assuming that people are rational decision-makers, although behavioural economics and prospect theory have challenged this idea, making a number of specific claims about how decision-making behaviour in practice deviates from the predictions of rationality. This research explores whether the importance of risk management is understood by project participants, examines the applicability of prospect theory in projects and evaluates whether it adequately describes decision making in the context of project risk management. The research implements a mixed method sequential explanatory approach. Surveys provide quantitative data from a large population and focus group discussions are used to gain a causal understanding of decision makers’ behaviour. This research finds that prospect theory provides a better prediction of project-based decision making than expected utility theory. In particular, prospect theory’s concept of reference dependence applies, with the dual reference points of the current expected cost at completion and the original budget both significantly influencing decisions. When project performance is only slightly below expectations, project managers’ decisions reflect a ‘double-or-nothing’ effect, as they take risks to try to get back within budget. As performance deteriorates further, however, decision makers become more risk averse, fitting a pattern of ‘damage limitation’, contradicting the predictions of prospect theory, which predicts increasingly risk-seeking behaviour when in an unfavourable position.

Type: Thesis (Doctoral)
Qualification: Ph.D
Title: Risk And Rationality: An Exploration Of Prospect Theory In The Context Of Project Management
Event: UCL (University College London)
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: Copyright © The Author 2019. Original content in this thesis is licensed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) Licence (https://creativecommons.org/licenses/by/4.0/). Any third-party copyright material present remains the property of its respective owner(s) and is licensed under its existing terms. Access may initially be restricted at the author’s request.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10080425
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