Simultaneous structuring and scheduling of multiple projects with flexible project structures

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Hoffmann, L.-S.; Kellenbrink, C.; Helber, S.: Simultaneous structuring and scheduling of multiple projects with flexible project structures. In: Journal of Business Economics 90 (2020), Nr. 5-6, S. 679-711. DOI:

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Sum total of downloads: 43

We study the problem to simultaneously decide on the structures and the schedules for an entire portfolio of flexible projects. The projects are flexible as alternative technologies and procedures can be used to achieve the respective project task. The choice between different technologies and procedures affects the activities to be implemented and thus the precedence relations, i.e., the structure of the project. The different projects have given due dates with specific delay payments and compete for scarce resources. In this situation, project structure decisions and scheduling decisions are highly intertwined and have to be made simultaneously in order to achieve the assumed objective of minimizing the delay payments for the entire project portfolio. The problem is formally stated and solved via novel and problem-specific genetic algorithms. The performance of the new algorithms is evaluated with respect to speed and accuracy in a systematic and comprehensive numerical study. © 2020, The Author(s).
License of this version: CC BY 4.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2020
Appears in Collections:Wirtschaftswissenschaftliche Fakultät

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downloads by country:

pos. country downloads
total perc.
1 image of flag of United States United States 11 25.58%
2 image of flag of Germany Germany 8 18.60%
3 image of flag of China China 6 13.95%
4 image of flag of Czech Republic Czech Republic 4 9.30%
5 image of flag of Chile Chile 4 9.30%
6 image of flag of No geo information available No geo information available 3 6.98%
7 image of flag of Sweden Sweden 2 4.65%
8 image of flag of Russian Federation Russian Federation 2 4.65%
9 image of flag of Vietnam Vietnam 1 2.33%
10 image of flag of India India 1 2.33%
    other countries 1 2.33%

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