نتایج جستجو برای: economic in urban centers

تعداد نتایج: 17064811  

2008
Charles M. Becker Amitava Dutt

This chapter considers the literature on urbanization and migration to cities from rural areas in developing and middle-income countries. The chapter assesses recent patterns, discusses traditional models, addresses more recent models of migration, presents some of the recent findings from the micro-econometric literature, and closes with a discussion of the role of cities in economic growth. C...

2017
Lu Zhang Hongru Du Yannan Zhao Rongwei Wu Xiaolei Zhang

"The Belt and Road" initiative has been expected to facilitate interactions among numerous city centers. This initiative would generate a number of centers, both economic and political, which would facilitate greater interaction. To explore how information flows are merged and the specific opportunities that may be offered, Chinese cities along "the Belt and Road" are selected for a case study....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1386

the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

ژورنال: Hormozgan Medical Journal 2012
Alizadeh, A, Hadian, M, Mobaraki, H, Mohseni, SH, Salemi, M,

Introduction: The health sector plays an important role in the structure of society, so that any investment in this sector influences the efficiency of economic and social activities. The most important requirements of economic reform in health sector, is the reform of budgeting methods and its resources distribution. The aim of this study was determination of the requirements for activit...

2016
Heike Mayer Rahel Meili

Urban and rural areas differ in economic, social and environmental terms. Due to the diverging dynamics in urban and rural areas, the social and economic distance between them might increase in the future even more. Rural entrepreneurs with linkages to urban areas are able to bridge the rural–urban divide by accessing some of the urban features, such as knowledge and markets, while at the same ...

2004
Mary C. Daly Robert G. Valletta

Information technology (IT) producers were among the key drivers of the national economic expansion during the late 1990s and in 2000, helping to spur robust growth in output, productivity, and income. Between 1995 and 2000, IT-producing businesses accounted for nearly one-third of U.S. GDP growth and, by one estimate, nearly two-thirds of the surge in productivity growth, despite accounting fo...

Journal: :iau international journal of social sciences 2014
seyed ali hashemianfar shahriyar paknia maryam sabeti

this article wants to propose this theory that farm corporations are agropolitan development models in iran. as over-concentrating investments to the urban areas did not lead to a trickledown effect to the rural areas. to the extreme, there are ideas to minimize linkages with the urban economy, and to make the rural areas pursue self-sufficiency by maximizing its potentials. however, against th...

2016
Qian Yang Aiwen Lin Zhenzhen Zhao Ling Zou Cheng Sun

Urban ecosystem health evaluation can assist in sustainable ecological management at a regional level. This study examined urban agglomeration ecosystem health in the middle reaches of the Yangtze River with entropy weight and extension theories. The model overcomes information omissions and subjectivity problems in the evaluation process of urban ecosystem health. Results showed that human cap...

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Urban areas are the main centers of economic, social and political growth in any country and have proven themselves to be the most attractive places for wealth, work, creativity and innovation. But at the same time, these areas also face significant challenges in the areas of physical and environmental degradation, social deprivation, insecurity, unemployment, housing shortages, traffic, and ma...

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