نتایج جستجو برای: population growth rate

تعداد نتایج: 2249231  

Journal: :تحقیقات اقتصادی 0
غلام رضا محمدپور دانشگاه خلیج فارس بوشهر، دانشکده ی ادبیات رسول بخشی دستجردی دانشگاه یزد، دانشکده ی اقتصاد، مدیریت و حسابداری سمیه جعفری دانشگاه شهید باهنر، دانشکده ی مدیریت و اقتصاد هاجر اثنی عشری دانشگاه زاهدان، دانشکده ی اقتصاد کشاورزی

according to concern the role of population on growth of economic, in this study proceeds the study of age structure population on growth of iran’s economic. to achieve the experimental results, period of 1966-2009 is selected and used of auto regressive distributed lag method to achieve the experimental results. independent variables include the per capita income, population growth rates of 64...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2002
Wolfgang Lutz Ren Qiang

The 20th century has seen unprecedented growth of the human population on this planet. While at the beginning of the century the Earth had an estimated 1.6 billion inhabitants, this number grew to 6.1 billion by the end of the century, and further significant growth is a near certainty. This paper tries to summarize what factors lie behind this extraordinary expansion of the human population an...

Journal: :تحقیقات اقتصادی 0
رسول بخشی دستجردی استادیار، عضو هیأت علمی دانشگاه یزد ناهید خاکی نجف آبادی کارشناس ارشد اقتصاد، دانشگاه یزد

in this paper, we have studied the effect of population on iranian economic growth by using optimal growth theory. optimal growth theory is a nonlinear dynamic planning. classical approaches in mathematics are used for solving these nonlinear systems. but, in this study, we have used genetic algorithm (ga) method. as results show, it seems that population growth in previous years (1350- 1386), ...

Abstract Introduction: population aging refers to an age imbalance of the population so that the ratio of young population decreases while aged population grows. Decrease in fertility rate and growing life expectancy are the two key factors in emergence of population aging. The macro economy effects of population aging on economic growth was examined based on the effects of two factors includ...

Journal: :Journal of Population Economics 2008

Abstract Introduction: population aging refers to an age imbalance of the population so that the ratio of young population decreases while aged population grows. Decrease in fertility rate and growing life expectancy are the two key factors in emergence of population aging. The macro economy effects of population aging on economic growth was examined based on the effects of two factors includ...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2009
Adair Turner

Rapid population growth continues in the least developed countries. The revisionist case that rapid population could be overcome by technology, that population density was advantageous, that capital shallowing is not a vital concern and that empirical investigations had not proved a correlation between high population growth and low per capita income was both empirically and theoretically flawe...

2014
Hiroshi Goto Keiya Minamimura

To explain the links between population distribution and economic integration, we construct a spatial economics model with endogenous fertility. A higher population concentration increases real wages and child-raising costs, thus lowering the fertility rate. However, people migrate to more populated regions to obtain higher real wages. We show that mobility across regions results in more people...

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