OWA operators in the insurance industry

István Á. Harmati, Norbert Kovács, Dávid Fülep, Krisztián Koppány

Article ID: 8015
Vol 8, Issue 13, 2024

VIEWS - 32 (Abstract) 14 (PDF)

Abstract


In this paper, we examine a possible application of ordered weighted average (OWA for short) aggregation operators in the insurance industry. Aggregation operators are essential tools in decision-making when a single value is needed instead of a couple of features. Information aggregation necessarily leads to information loss, at least to a specific extent. Whether we concentrate on extreme values or middle terms, there can be cases when the most important piece of the puzzle is missing. Although the simple or weighted mean considers all the values there is a drawback: the values get the same weight regardless of their magnitude. One possible solution to this issue is the application of the so-called Ordered Weighted Averaging (OWA) operators. This is a broad class of aggregation methods, including the previously mentioned average as a special case. Moreover, using a proper parameter (the so-called orness) one can express the risk awareness of the decision-maker. Using real-life statistical data, we provide a simple model of the decision-making process of insurance companies. The model offers a decision-supporting tool for companies.


Keywords


aggregation; ordered weighted averaging; OWA; risk awareness

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References


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DOI: https://doi.org/10.24294/jipd8015

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