Chiswick, Barry R.; Lee, Yew Liang; Miller, Paul W. - Institute for the Study of Labor (IZA) - 2002
disappear by 3 ½ years after immigration for speaking skills, but they persist for reading and writing skills. The variables … destination language proficiency among immigrants. Skills tested and economic immigrants have the greatest proficiency shortly … after immigration, followed by family-based visa recipients, with refugees having the lowest proficiency. These differences …