Contemporary migration studies witness an increasing interest in the socio-economicrole of networks of migrants. Such networks are sometimes even regarded as the mostimportant attraction and location factors for migration, and may even exceed purelyeconomic factors like unemployment and wage...

Since ethnic clustering is common in Germany, a better understanding of its effects on the integration of immigrants could be important for integration policies, especially in the light of rising immigration and a skilled worker shortage. Yet, both economic theory and empirical research for...