ATANASIU, Virginia; VLADU, Daniela Mihaela - In: Romanian Statistical Review Supplement 60 (2012) 2, pp. 29-43
It is an original paper, which shows how the hierarchical model with two levels, can be used to determine the linear non-homogeneous credibility premiums at the sector level and at the contract level. The fact that it is based on complicated mathematics, involving conditional expectations,...