Graaff, Thomas de; Gorter, Cees; Nijkamp, Peter - 2001
purelyeconomic factors like unemployment and wage levels in importance. The empiricalmeasurement and analysis of migrants' networks …Contemporary migration studies witness an increasing interest in the socio-economicrole of networks of migrants. Such … developed by Ellisonand Glaeser (the gamma coefficient), with a view to the measurement of spatial clusteringof migrants in the …