Some Further Notes on Estimating Ultimate Incurred Losses in Auto Liability Insurance [Discussion]

Mr. Harwayne has presented this paper as a supplement to his previous paper “Estimating Ultimate Incurred Losses in Auto Liability Insurance” (Volume XLV, 1958 Proceedings of C.A.S.). He here elaborates on the derivation of and the factors underlying a formula incorporated in his preceding paper; namely, In the formula, a value for y expresses losses paid as of any evaluation date as a percentage of total losses eventually to be incurred on a policy year of automobile insurance exposures.