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Selection of scenarios in qualitative models: The case of a government tenders model

Author

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  • Štěpán Veselý

    (Department of Economics, Faculty of Business and Management, Brno University of Technology, Kolejní 4, 612 00 Brno, Czech Republic)

  • Mirko Dohnal

    (Department of Economics, Faculty of Business and Management, Brno University of Technology, Kolejní 4, 612 00 Brno, Czech Republic)

Abstract

The task of this methodological paper is to clarify the process of selection of scenarios in qualitative models. Articles on qualitative modeling usually do not cover the topic of scenarios selection exhaustively, only the basic operations are (sometimes) described. This lack of detail might lead to confusion and overly simplified understanding of the process of model development when new users meet with qualitative models. We outline the basic principle of consistency, i.e. that scenarios inconsistent with a given knowledge item entered into the qualitative model are discarded from the model. With help of this principle, the vast set of all "imaginable" scenarios (2712 in our case) can be reduced to just 7 scenarios in less than 40 steps. A manageable number of scenarios is important to enable interpretation and practical use, e.g. to evaluate concrete tasks and policies. For our demonstration we use our previously published model of government tenders. The current paper can help those who want to understand qualitative models and their development better, it is not restricted to the problem of qualitative modeling of government tenders.

Suggested Citation

  • Štěpán Veselý & Mirko Dohnal, 2013. "Selection of scenarios in qualitative models: The case of a government tenders model," Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Mendel University Press, vol. 61(7), pages 2923-2929.
    • Handle: RePEc:mup:actaun:actaun_2013061072923
    DOI: 10.11118/actaun201361072923
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    References listed on IDEAS

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    1. Cundric, A. & Kern, T. & Rajkovic, V., 2008. "A qualitative model for road investment appraisal," Transport Policy, Elsevier, vol. 15(4), pages 225-231, July.
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