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    The impact of applying effort to reduce activity variability on the project time and cost performance

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    Publication type
    Vlerick strategic journal article
    Author
    Martens, Annelies
    Vanhoucke, Mario
    Publication Year
    2019
    Journal
    European Journal of Operational Research
    Publication Volume
    277
    Publication Issue
    2
    Publication Begin page
    442
    Publication End page
    453
    
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    Abstract
    During project execution, deviations from the baseline schedule are inevitable due to the presence of uncertainty and variability. To assure successful project completion, the project’s progress should be monitored and corrective actions should be taken to get the project back on track. This paper presents an integrated project control procedure for measuring the project’s progress and taking corrective actions when necessary. We apply corrective actions that reduce the activity variability to improve the project outcome. Therefore, we quantify the relation between the applied managerial effort and the reduction in activity variability. Moreover, we define three distinct control strategies to take corrective actions on activities, i.e. an interventive strategy, a preventive strategy and a hybrid strategy. A computational experiment is conducted to evaluate the performance of these strategies. The results of this experiment show that different strategies are preferred depending on the topological network structure of projects. More specifically, the interventive strategy and hybrid strategy are preferred for parallel projects, while the preventive strategy is preferred for serial projects.
    Keyword
    Project Management, Schedule Control, Corrective Actions, Simulation
    Knowledge Domain/Industry
    Operations & Supply Chain Management
    DOI
    10.1016/j.ejor.2019.03.020
    URI
    http://hdl.handle.net/20.500.12127/6597
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.ejor.2019.03.020
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