Considering this relationship within the analyzed insurance portfolio, the pure premium for each category of
policyholders is established based on the Gamma regression model, that includes all the statistical relevant tariff variables that explain the variation of the claim frequency and costs. Therefore, this regression model allows to
obtain the pure premium corresponding to each tariff class through the expression: ݁ݔሺݐߚ
ݔ݅ሻ. In summary, the obtained results lead to using tariffs corresponding to the gravity of risks insured by the insurance company