Barth, Erling; Bratsberg, Bernt; Haegeland, Torbjørn; … - 2009
various
administrative registers, in particular person-specific files covering gender, education, and age,
and matched … between each education level and the
age polynomial; immigrant status; union membership; gender and interactions between … gender
and all other characteristics; an indicator variable for year of observation; interactions between
the year variable …