Primary income data yields the most exact estimates of the Gini coefficient. Using Lorenz curves, the Gini coefficient is defined as the ratio of the area between the diagonal and the Lorenz curve and the area of the whole triangle under the diagonal. Various attempts have been made to obtain...

Mobile workers involve flows of labor and human capital and contribute to a more efficient allocation of resources. However, migration also changes relative wages, alters the distribution of skills and affects equality in the receiving society. The paper suggests that skilled immigration...