Article history: Received 7 February 2011 Received in revised form 28 June 2011 Accepted 5 July 2011 Available online 18 July 2011 When examining questions regarding the Lewis model, one of the most salient set of facts involves the shift of labor between agricultural and the off farm sectors. The goal of this paper is to answer several questions about the nature of this movement: How has the e...

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The structure of the hull project 1288 trawler in a region fore hold was improved to ensure fatigue strength assemblies intersection main frames with second bottom. To this end, study these carried out for original side and two versions its modernization. Values internal forces at points appearance cracks compartment have been determined three design side. It found that greatest act middle half...

In recent years, the radio communication system has undergone significant modernization. This concerns both design and development of new means improvement modernization existing ones antenna-feeder devices for them. A general feature networks is dependence main characteristics objects on type parameters antenna systems decisions regarding their location. The developed technique constructive sy...

Empress Dowager Cixi, birth mother of the Qing Dynasty Emperor Tongzhi, lived in the late 19 Century and the early 20 Century, and was the actual ruler of the Qing Dynasty from 1861 to 1908. Under her administration, her great support of Westernization during the earlier period promoted modernized revolution of Chinese society, whereas her objection to the political reform during the late perio...

Legacy application software is typically written in a dialect of Fortran, and must be reprogrammed to run on today's microprocessor-based multicomputer architectures. We describe our experiences in modernizing a legacy direct numerical simulation (DNS) code with the KeLP software infrastructure. The resultant code runs on the IBM SP2 with higher numerical resolutions than possible with the lega...

[Excerpt] In this paper, we show how labor turnover considerations can be integrated into the human investment theory of migration and demonstrate that such a model provides a much better explanation for migration rates into major metropolitan areas than the conventionally-used unemployment rate. The method used here may be of interest as well to researchers working on other human investment pr...

We study the effects of immigration on native welfare in a general equilibrium model featuring two skill types, search frictions, wage bargaining, and a redistributive welfare state. Our quantitative analysis suggests that, in all 20 countries studied, immigration attenuates the effects of search frictions. These gains tend to outweigh the welfare costs of redistribution. Immigration has increa...