[[Actuarial Notes Wiki|Wiki]] / [[Exam 5 (CAS)]] / **Link Ratio** ## Definition ==Link Ratio== is another term for age-to-age factor, representing the multiplicative factor by which losses develop from one age to the next. ## Formula ``` Link Ratio_{age n to n+k} = Cumulative Loss_{n+k} / Cumulative Loss_n ``` ## See Also - [[Age-to-Age Factor#Definition]] (same concept) - [[Development Factor#Definition]] ## References - Friedland, Chapter 4