Aakvik, Arild; Salvanes, Kjell G.; Vaage, Kjell - 2021
problems into estimating the returns to education. In this paper, these problems are addressed by estimating a comparative … advantage model for schooling, in which the returns to education vary at different levels of education. The model requires that … in the 1960s. We find that the returns to education are strongly nonlinear. In particular, we find that the returns to …