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This paper asks whether the migration decisions of unauthorized Mexican immigrants to the USA have been influenced by stronger US border enforcement efforts since 1993 that have sharply increased the physical risk and financial cost of illegal immigration. These measures were supposed to have decreased the probability of successful entry, thereby lowering the expected benefits of migration. We carried out a logistic regression analysis of data from a recent survey of 603 returned migrants and potential first‐time migrants in rural Mexico. Our findings indicate that tougher border controls have had remarkably little influence on the propensity to migrate illegally to the USA. Political restrictions on immigration are far outweighed by economic and family‐related incentives to migrate. An alternative, labor‐market approach to immigration control with higher probability of effectiveness is outlined.  相似文献   
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These two perspectives on the need for state governments were presented to the RIPAA National Conference on 30 November 1995, Brisbane.  相似文献   
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Colin  Gray 《Political studies》1994,42(1):25-39
The end of the Cold War has wrought havoc among Western students of strategy as well as among and to the political institutions of the post-war period. Many erstwhile 'strategists' have decided that it is more correct for the 1990s to become specialists in security, even global security. This paper examines critically, in strategic perspective, the purported connections between economic well-being and global security. The proposition that a strategic, more broadly a 'realist', perspective either neglects or discourages ethical considerations is also discussed. There is less than meets the eye to claims for a rising pre-eminence for economic issues vis a vis a global security, while the very concept of a global security is more attractive than it is useful.  相似文献   
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The value-added tax (VAT) requires considerable sophistication on the part of both the taxpayers and the tax authorities in order to function effectively; not all countries meet this criteria. After Niger implemented the VAT in 1986, instead of realizing an increase in tax revenue it witnessed a decline, creating a major budget crisis. This article discusses why the VAT was an inappropriate choice for Niger, analyzes the reasons for the decline in tax revenue, and proposes alternative policies consistent with the administrative capacity of the Niger government and the existing socioeconomic environment.  相似文献   
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Books in review     
He has also served as research director of the Guggenheim Foundation from 1972–1984. Among his books are Men in Groups; The Imperial Animal(with Robin Fox); The Manufacture of Evil;and The Pursuit of Pleasure.  相似文献   
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