Scheduling non-critical activities using multicriteria approach

Krzysztof S. Targiel (), Maciej Nowak () and Tadeusz Trzaskalik ()
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Krzysztof S. Targiel: University of Economics in Katowice
Maciej Nowak: University of Economics in Katowice
Tadeusz Trzaskalik: University of Economics in Katowice

Central European Journal of Operations Research, 2018, vol. 26, issue 3, No 5, 585-598

Abstract: Abstract In many projects the problem of selecting the start time of a non-critical activity arises. Usually it is possible to use the “as soon as possible” or “as late as possible” rules. In some situations, however, the result of such a decision depends on external factors such as exchange rate. This leads to an approach in which the problem of scheduling non-critical activities is solved using an expanded Cox–Ross–Rubinstein (CRR) binomial tree method. In the paper a bi-criteria problem of determining the start time of a non-critical activity is considered. We assume that the early start and the late start of the activity have been identified using Critical Path Method, but the project manager is free to select the time when the activity will actually be started. This decision cannot, however, be changed later, as it is associated with the allocation of key resources. Two main criteria are considered: cost and risk. While cost depends on exchange rate, risk increases with the delay of the start of the activity. The problem can be described as a dynamic process. We propose a new interactive technique for solving such a bi-criteria decision making problem under risk. The procedure uses trade-offs to identify a candidate solution. The CRR binomial method is applied to evaluate the cost of the activity.

Keywords: Project scheduling; Trade-offs; Interactive approach; CRR binomial method (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s10100-018-0542-y

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