Migration flows are shaped by a complex combination of self-selection and out-selection mechanisms. In this paper, the authors analyze how existing diasporas (the stock of people born in a country and living in another one) affect the size and human-capital structure of current migration flows....

This paper reviews the existing literature on the impact of migrants networks on the patterns of international migration. It covers the theoretical channels at stake in the global effect of the networks. It identifies the key issues, namely the impact on size, selection and concentration of the...

Credit Rating Agencies (CRAs) have been in the regulator's spotlight since the subprime crisis occurred and they remain under criticism due to suspected conflicts of interest that could arise from clients soliciting a rating. The aim of this paper is to contribute to the current discussion on...