Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/21421
Authors: 
Heitmüller, Axel
Year of Publication: 
2003
Series/Report no.: 
IZA Discussion paper series 770
Abstract: 
Previous migration facilitates future population moves, a phenomenon called network migration. However, thus far, network migration has been closely linked to network externalities. In contrast, this paper argues that the incumbent migration population can actively impact on future migration flows, yet fails to achieve a Pareto optimal network size due to coordination failures. In short, it stresses the active role incumbents take in the provision of network effects and, second, it provides theoretical evidence that selfperpetuating and sustained immigration is not at odds with rational acting individuals and must not simply be ascribed to pure network externalities.
Subjects: 
household migration networks
Pareto optimality
optimal network size
network externalities
JEL: 
J61
C70
J60
Document Type: 
Working Paper

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