This thesis aims to present both theoretical and empirical analysis of the highly skilled immigration policy, explore its possible reasons and test its effects on the local labor market. Some fundamental theories will be explained with respect to the determinants of immigration restrictions. A multiple linear regression model will be made in order to examine the impact of skilled immigration on native wages and employment prospects of OECD countries in 1990 and 2000. The results of this paper show that skilled immigration only has a zero to small positive short-term effect on the native labor market.