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PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

PROCEEDINGS May 15, 16, 17, 18, 2005 - Casualty Actuarial Society

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256 WHEN CAN ACCIDENT YEARS BE REGARDED AS DEVELOPMENT YEARS?numerator of the equation for ˆp ij is the product of the total of thevalues above it and the total of the values to its left. Consequently,if the array were transposed (rows and columns interchanged),the numerator for ˆp ji would be unchanged (and of course thedenominator is also unchanged) from that for ˆp ij .

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