Dulam, T.

suriname level country emigration brain effect emigration rate school education brain gain hypothesis migration drain university hypothesis school age population share netherland home country brain drain number education levels enrolment population wage differentials brain gain capital school age time series data model appendix kom university statistic growth world paper student school enrolment rate brain drain effects figure error capital formation economic bureau series capita people section opportunity variable development newey west hac result individual docquier time series dimension world bank policy error correction models study proxy theory increase differential error correction model unesco uis database dollar beine conclusion evidence correction support table formation anton nation income share correlation cape verde schlenrlpr discussion