Agricultural insurance ratemaking: development of a new premium principle

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<title>Agricultural insurance ratemaking: development of a new premium principle</title>
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<namePart>Tan, Ken Seng</namePart>
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<namePart>Porth, Lysa</namePart>
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<abstract displayLabel="Summary">Determining the appropriate premium to charge for the underlying risk is central to delivering a sustainable agricultural insurance program. Though this is fundamental to all types of insurance, in agriculture this is a particularly challenging task given systemic risk, information asymmetry, and a number of multifaceted factors pertaining to the loss experience data, including scarcity and credibility. The objective of this article is to formally introduce premium principles to the agricultural insurance literature, with a focus on a new premium principle approach based on the multivariate weighted distribution. The multivariate weighted premium principle (MWPP) formalizes the reweighting of historical loss experience using auxiliary factors in order to refine the agricultural insurance pricing. These auxiliary factors may reflect systemic risk and include material information, such as economic and market conditions, weather, soil, etc. In the empirical study, a unique reinsurance data set from the province of Manitoba, Canada, is used to evaluate a number of potential premium principles. With the flexibility of the MWPP, the empirical results indicate that the MWPP approach can be a viable premium principle for pricing agricultural insurance. Furthermore, the MWPP redistributes premium rates and assigns increased loadings to higher risk layers, helping reinsurers manage their reserves and achieve improved sustainability in the long term</abstract>
<note type="statement of responsibility">Wenjun Zhu, Ken Seng Tan, and Lysa Porth</note>
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<topic>Seguros agrarios</topic>
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<topic>Primas de seguros</topic>
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<topic>Riesgos</topic>
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<topic>Factores de riesgo</topic>
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<topic>Matemática del seguro</topic>
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<geographic>Estados Unidos</geographic>
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<title>North American actuarial journal</title>
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<publisher>Schaumburg : Society of Actuaries, 1997-</publisher>
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<identifier type="issn">1092-0277</identifier>
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<text>02/12/2019 Tomo 23 Número 4 - 2019 , p. 512- 534</text>
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