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The Political Economy of Migration Enforcement

其他書名	Domestic Versus Border Control
出版	SSRN, 2014
URL	http://books.google.com.hk/books?id=nqsBzwEACAAJ&hl=&source=gbs_api

註釋We study migration policy enforcement by an elected government. The policy-maker faces uncertainty on the supply of migrants, but has more information than the public on its preferences and the extent and effectiveness of its enforcement activities. We show that a utilitarian government preferring more migrants than the majority may find it optimal to set a restrictive target to please the median voter, while relaxing its enforcement to admit more foreigners in a concealed way. Lax enforcement may be achieved either by deploying inadequate resources on cost-effective activities (domestic enforcement) or by allocating a larger budget on less effective tools (border enforcement). The attractiveness of one instrument over the other depends on the size of the immigrant flow: if the supply is large, border enforcement might be preferred because, although more costly, it brings the number of migrants closer to the utilitarian optimum. Hence, re-election concerns might provide a rationale for the widespread use of less a effective enforcement tool, such as border control.