“…The intergenerational elasticity (IGE), which is the slope coefficient from a regression of the log of child's income on the log of parents’ income, has a long history in the intergenerational income mobility literature. But recent work has considered more complicated setups such as: (i) transition matrices; (ii) the probability that child's income is greater than parents’ income; and (iii) the correlation of the ranks of child's income and parents’ income, among other ideas (Jantti et al ., ; Bhattacharya and Mazumder, ; Murtazashvili, ; Chetty et al ., 2014a,b; Murtazashvili, Liu and Prokhorov, ; An, Le and Xiao, ; Chetty et al ., ; Collins and Wanamaker, ; Kitagawa, Nybom and Stuhler, ).…”