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Preference elicitation and sensitivity analysis in multicriteria group decision support for industrial risk and emergency management

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The resolution of complex decision situations in crisis andremediation management following an industrial emergency requires inputfrom different disciplines. Contributing to the transparency and traceabilityof decisions and taking subjective preferences into account, Multi-criteriaDecision Analysis (MCDA) is suitable for involving various stakeholder andexpert groups in the decision-making process with diverse backgroundknowledge and different views and responsibilities.

The focus of this paper is to highlight the role of MCDA in riskand emergency management in the nuclear power generation sector on thebasis of a hypothetical case study. Special emphasis is placed on the modellingof the decision-makers’ preferences. The aim is to explore the sensitivityof decision-making processes to simultaneous variations of the preferenceparameters and consequently to contribute to a facilitation of the preferencemodelling process by comprehensibly visualising and communicating theimpact of these preferential uncertainties on the results of the analysis.

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