Deutschland tue nicht genug dafür, um dem wissenschaftlichen Nachwuchs verlässliche Perspektiven für eine Karriere in der Wissenschaft zu öffnen. Auch gelinge es noch nicht im ausreichenden Maß, ausländische Wissenschaftlerinnen und Wissenschaftler fest einzustellen. Ein Problem sieht er...

This paper reconsiders the (self-)selection of international migrants. In an extended Roy-model we analyse the factors which affect the selection bias of migrants. In particular, we find that migrants need not necessarily be (un-)favourably self-selected if the inequality of earnings is higher...

"This paper analyses the (self-)selection of migrants between countries which have substantial differences in the inequality of earnings and income levels. In an extended version of the Roy-model we consider migration costs, which tend to grow less than proportional with the income level. As a...

"This paper analyses the (self-)selection of migrants between countries which have substantial differences in the inequality of earnings and income levels. In an extended version of the Roy-model we consider migration costs, which tend to grow less than proportional with the income level. As a...