نتایج جستجو برای: demographic transition theory

تعداد نتایج: 1117475  

Journal: :American journal of human biology : the official journal of the Human Biology Council 2009
Mary K Shenk

Over the last three decades many authors have addressed the demographic transition from the perspective of evolutionary theory. Some authors have emphasized parental investment factors such as the costs of raising children, others have emphasized the effects of mortality and other forms of risk, and others have emphasized the biased transmission of cultural norms from people of high status. Yet...

2003
HAITHAM ISSA

This paper extends the literature on economic growth and demographic change by developing a neo-classical model of endogenous growth in which both economic and demographic outcomes are jointly determined. The key point in this model is the endogenisation of child mortality rate by linking it to parents’ human capital, defined in a broad sense to include both education and health. The numerical ...

2011
Neil Cummins

The spectacularly early decline of French fertility is one of the great puzzles of economic history. There are no convincing explanations for why France entered a fertility transition over a century before anywhere else in the world. This analysis links highly detailed individual level fertility life histories to wealth at death data for four rural villages in transition-era France, 1750-1850. ...

Journal: :physical chemistry research 2014
vahid saheb mohammad solimannejad

the hydrogen abstraction reaction by oh radical from ch2brch2br (r1) and ch₃chbr2 (r2) is investigated theoretically by semi-classical transition state theory. the stationary points for both reactions are located by using ωb97x-d and kmlyp density functional methods along with cc-pvtz basis. single-point energy calculations are performed at the qcisd(t) and ccsd(t) levels of theory with differe...

2012
V Bhaskar

We present international evidence on the marriage market implications of cohort size growth, and set out a theoretical model of how marriage markets adjust to imbalances. Since men marry younger women, secular growth in cohort size in the second phase of the demographic transition worsens the position of women. This e¤ect has been substantial in many Asian countries earlier, and continues to be...

2008
WANG Feng Andrew Mason Robert Retherford Yong Cai Fang Cai Martin K. Whyte

During the last two and a half decades, China has witnessed demographic change of historic proportions. It has transformed from a “demographic transitional” society, one where reductions in mortality led to rapid population growth and subsequent reductions in fertility led to slower population growth, to a “posttransitional” society, where life expectancy has reached new heights, fertility has ...

Journal: :Transactions of the American Mathematical Society 2017

Journal: :Cliometrica 2012
Oded Galor

This paper develops the theoretical foundations and the testable implications of the various mechanisms that have been proposed as possible triggers for the demographic transition. Moreover, it examines the empirical validity of each of the theories and their significance for the understanding of the transition from stagnation to growth. The analysis suggests that the rise in the demand for hum...

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