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Weather Insurance of Wine - How Quantity and Quality Regulations Affect Risks

Author

Listed:
  • Martial Phélippé-Guinvarc'H

    (Groupama - Agricultural Insurance Service of GROUPAMA - Agricultural Insurance Service of GROUPAMA)

Abstract

To develop weather insurance, GROUPAMA builds a general model of agronomic crop yield density function. This approach is applied for cereal, industrial products, wine and fruits. From the density function, weather risk premium is computed. The wine-producing practices disturb our approach of risks. First, wine yields are limited by public regulations. Second, some cooperatives applied quality regulations. Then, observed crop yields are not agronomic crop yields needed by the model. The paper proposes a simulation process to estimate the agronomic parameters of areas crop yields from observed crop yields data. This process is tested on Champagne wine historical data. We measure too the impact of the quantity rules on our estimation of premium. Next, the paper analyses impact on quality on the idiosyncratic risk and on the premium. It results that agronomic parameters give cheaper premium estimation. Because rigorous growing process is implemented, include quality risk is not systemically more expensive but need to compute an individual analyse.

Suggested Citation

  • Martial Phélippé-Guinvarc'H, 2007. "Weather Insurance of Wine - How Quantity and Quality Regulations Affect Risks," Post-Print hal-04523727, HAL.
    • Handle: RePEc:hal:journl:hal-04523727
    DOI: 10.22004/ag.econ.9258
    as

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