“…In order to understand the determinant factors of abnormal performances and risk variations, we regressed the various measures a E,j , b E,j and ω 1,j over a vector of characteristics relative to the companies, their pension funds, and the economy. We analyzed approximately 15 characteristic variables, but for the purposes of presentation only retained those deemed the most pertinent in previous studies (Atanasova & Hrazdil, 2010;Ferson & Schadt, 1996;Jin et al, 2006;McFarland et al, 2009;Milevsky & Song, 2010;Munnell & Soto, 2007). These variables, as well as their expected impact on both risk and performance, are presented in Appendix 1.…”