Pešta, Michal; Hudecová, Šárka - In: Insurance: Mathematics and Economics 51 (2012) 2, pp. 472-479
The distribution-free chain ladder reserving method belongs to the most frequently used approaches in general insurance. It is well known, see Mack (1993), that the estimators f̂j of the development factors are unbiased and mutually uncorrelated under some mild conditions on the mean structure...