Owing to the heterogeneity of labors, the cooperation and eomplementarities between labors with different level of skill would achieve increasing returns. The eomplementarities result in a positive feedback between immigration of skilled labors and demands of migratory destination for skilled labors, which leads to a cumulative cycle between interregional labor mobility and regional concentration of human capital. Based on the hypothesis of skill complementarities advanced by Giannetti, the dynamic mechanism of interregional labor mobility is analyzed theoretically and tested positively from a...
