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...

The paper deals with the fear-of-losing-customers argument for price rigidity. We address the following question: does the fact that customers are subject to non-renewal clause foster price flexibility? Using a new database in which customers are forced to change their subscription each year, we...

Existing migrant networks play an important role in explaining the size and structure of immigration flows. They affect the net benefits of migration for future migrants by lowering assimilation costs (‘self-selection’ channel) and increase the probability of potential migrants to obtain a...