نتایج جستجو برای: increase of immigration
تعداد نتایج: 21181133 فیلتر نتایج به سال:
This paper presents a theoretical and empirical study of how immigration influences the joint determination of the wage structure and internal migration behavior for native-born workers in local labor markets. Using data from the 1960–2000 decennial censuses, the study shows that immigration is associated with lower in-migration rates, higher out-migration rates, and a decline in the growth rat...
Localities in developed countries often enact regulations to deter low-income households from moving in. In developing countries, such restrictions lead to the emergence of informal housing sectors. To deter low-income migrants, localities in developing countries withhold public services to the informal housing sector. Using a large sample of Brazilian localities, we examine migration and exclu...
The resident population of the United States plus Armed overseas, (2) resident population, and (3) civilian populaForces overseas was estimated to be approximately tion. The estimates are based on data from the decennial 261,755,000 on December 1, 1994. This figure represents census; statistics on births and deaths provided by the Naan increase of 2,458,000 or 1.0 percent over the estimate tion...
The political situation in Tehran has caused the city to become a commercial, industrial, administrative, educational and military center of Iran for decades. Such a situation has created waves of immigration and displacement of population from all over the country to the city. In order to understand the situation of the immigrant population of Tehran, this paper uses census data from 2006 and ...
What are the political implications of domestic migration to the American South? Using the American National Election Studies, we track the changing dynamic of party identification and presidential voting among white southern in-migrants and natives. Although it was once thought southern in-migration from the rest of the country contributed to Republican ascendancy in the region, we find that i...
چکیده: در این تحقیق تأثیر ملاس که یکی از محصولات جانبی صنایع قند می باشد به عنوان یک افزودنی مقاومت خشک جدید در بهبود پالایش پذیری و ویژگی های فیزیکی و مکانیکی مقوای کنگره ای کهنه (occ) مورد بررسی قرار گرفته شد. بدین منظور پنج سطح ملاس( 0،5، 10، 15 و 18%) و سه سطح درجه روانی(420،400و320 میلی لیتر)به عنوان فاکتورهای متغیر در نظر گرفته شد و برای هر تیمار کاغذهای دست ساز با مساحت 2cm200 و وزن پای...
rural industrialization or establishing industries in rural area as an important and most prevalent procedure for non agricultural economic development is discussed in this article. lack of main agricultural production parameters like water resource, rich and suitable soil, in these areas, in spite of plenty of manpower, directs the situation to day by day immigration rate from rural areas. ind...
Background: Poverty and low socioeconomic status are the most important reasons of increasing the global burden of tuberculosis, not only in developing countries but also in developed countries for particular groups. The purpose of this study was to assess the association between socioeconomic factors and the number of tuberculosis patients using quantile regression for count data. Me...
The debate on migration and development has swung back and forth like a pendulum, from developmentalist optimism in the 1950s and 1960s, to neo-Marxist pessimism over the 1970s and 1980s, towards more optimistic views in the 1990s and 2000s. This paper argues how such discursive shifts in the migration and development debate should be primarily seen as part of more general paradigm shifts in so...
We study a dynamic model of ecosystems where an immigration flux assembles the species community and maintains its biodiversity. This framework is particularly relevant for insular ecosystems. Population dynamics is represented either as an individual-based model or as a set of deterministic equations for population abundances. Local extinctions and immigrations balance at a statistically stati...
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