Research on Revenue Insurance Premium Ratemaking of Jujube Based on Copula-Stochastic Optimization Model

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Copula function</td><td class="align_center">Parameter</td><td class="align_center">Kendall rank correlation coefficient</td><td class="align_center">Euclidean distance squared</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Frank</td><td class="align_center">−1.4956</td><td class="align_center">−0.1626</td><td class="align_center">0.0120</td></tr><tr><td class="align_left">Gumbel</td><td class="align_center">1.0000</td><td class="align_center">1.3575<i>e</i> − 06</td><td class="align_center">0.0125</td></tr><tr><td class="align_left">Clayton</td><td class="align_center">1.4509<i>e</i> − 06</td><td class="align_center">7.2543<i>e</i> − 07</td><td class="align_center">0.0125</td></tr><tr><td class="align_left">Gaussian</td><td class="align_center">−0.3024</td><td class="align_center">−0.1955</td><td class="align_center">0.0142</td></tr><tr><td class="align_left"><i>t</i></td><td class="align_center">−0.3050</td><td class="align_center">−0.1973</td><td class="align_center">0.0143</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Estimation results of the optimal Copula function.</div>

Journal of Mathematics

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Table 3

Table 3: Research on Revenue Insurance Premium Ratemaking of Jujube Based on Copula-Stochastic Optimization Model 