نتایج جستجو برای: demographic transition theory

تعداد نتایج: 1117475  

Journal: :Economic and social changes: facts, trends, forecast / Экономические и социальные перемены: факты, тенденции, прогноз 2014

2012

The demographic transition is a process which involves the movement from high birth and death rates to low values and from high population growth rates to a relatively stable dynamic of population. If in the countries of Western Europe this pattern can be seen easily, the question is how the demographic transition phenomenon manifests in the countries of Central and Eastern Europe. Specialized ...

2011
Okechukwu D. Anyamele

This study investigates the role of wealth in infant mortality in Sub-Saharan Africa, hereafter (SSA). Using recent data from Demographic and Health Surveys (DHS), we document the differences that exit within urban and between urban and rural residents in Sub-Saharan Africa based on wealth. Our findings lead us to conclude that there is a statistical significant difference both within urban res...

2007

Recent demographic research has largely been focused on the rapid decline of fertility rates throughout the developed and developing world. The classic theories of the determinants of population change frequently used to model and explore fertility decline and transition in all populations have resulted from substantial empirical research. However many questions about the mechanisms involved in...

Reaction mechanism among indoline-2,3-dione, pyrrolidine-2-carboxylic acid and (Z)-2-(1-(2-hydroxynaphthalen-1-yl)ethylidene)hydroxycarboxamide to form 1’-((((aminooxy)carbonyl)amino)methyl)-2’-(1-hydroxynaphthalen-2-yl)-2’-methyl-1’,2’,5’,6’,7’,7a’-hexahydrospiro[indoline-3,3’-pyrrolo[1,2-a]imidazole-2-one was investigated using density functional theory (DFT) at B3LYP basis theory. The three-...

2017
Tânia M Bovolenta Andre C Felicio

Brazil is currently experiencing a significant demographic transition characterized by a decrease in fertility rates and an exponential increase in the number of elderly citizens, which presents a special challenge for the health care professionals. More than other portions of the population, the elderly are most commonly affected by chronic diseases such as Parkinson's disease. Policymakers co...

2013
J. Van Bavel

UNLABELLED At the beginning of the nineteenth century, the total world population crossed the threshold of 1 billion people for the first time in the history of the homo sapiens sapiens. Since then, growth rates have been increasing -exponentially, reaching staggeringly high peaks in the 20th century and slowing down a bit thereafter. Total world population reached 7 billion just after 2010 and...

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