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Predicting Automobile Insurance Multi-Regional Base Pure Premiums, Edward Nissan, Iskandar S. Hamwi
Predicting Automobile Insurance Multi-Regional Base Pure Premiums, Edward Nissan, Iskandar S. Hamwi
Journal of Actuarial Practice (1993-2006)
Multi-regional insurance base premiums are customarily computed by a top-down method where national or state projections are adjusted to reflect regional differences. This paper proposes a methodology for a bottom-up projection. A weighing scheme that minimizes the variance of the estimator is suggested as a criterion to establish an overall multi-regional rate.