题目 Describe briefly the theory of the demographic transition. At what stage in this tran siti on do most develop ing coun tries seem to be? Expla in your an swer. 人口过渡理论: 第一阶段:在实现现代化之前,高出生率和几乎齐平的高死亡率两者共同作用的结 果是若干个世纪以来这些国家的人口保持...
The demographic transition is divided into 5 stages. Stage one: high mortality and high fertility--a life expectancy at birth (LEB) of under 45 years and a total fertility rate (TFR) of more than 6.5. Stage two: both mortality and fertility began to decline although the decline in ...
The transition began around 1800 with declining mortality in Europe. It has now spread to all parts of the world and is projected to be completed by 2100. This global demographic transition has brought momentous changes, reshaping the economic and demographic life cycles of individuals and ...
RANSITION IN CHINA. AN ASSESSMENT OF THE DEMOGRAPHIC TRANSITION IN CHINA.AN ASSESSMENT OF THE DEMOGRAPHIC TRANSITION IN CHINA.Many Chinese scholars hold the view that demographic transition in China has been completed. Some even argue that the country has already entered a "post-demographic ...
Stages of the Demographic Transition from a Child\"s Perspective: Family Size, Cohort Size, and Children\"s Resources Stages of the demographic transition from a child's perspective: family size, cohort size, and children's resources. Popul Dev Rev. 2008; 34 :225–52.David Lam, Leticia M...
The life histories of humans who were engaged in reproduction during the demographic transition were investigated. It was discovered that these life histories were subject to great changes during the period involving the birth cohorts from the years 1870-1949. Although the number of all and surviving...
From a theoretical point of view, competition for the educational resources at the family and the population levels may change as the demographic transition advances. Although family size started to decline in the mid-1960s in México, the reduction in the size of the cohorts that compete for ...
It influences the economy growth in China seriously owing to the surplus and shortage ... Y He,W Wei,Q He,... 被引量: 1发表: 2006年 Mortality, the Trade-off between Child Quality and Quantity, and Demo-economic Development (1999). Demographic transition, stagnation and economic cycles in...
An important transition in the economic history of countries occurs when they move from a regime of low prosperity, high child mortality and high fertility to a state of high prosperity, low child mortality and low fertility. Researchers have proposed va
Is there indeed a new or renewed demographic transition? The evidence suggests that there is. A rapidly growing number of countries of diverse cultural background have entered the natality transition since World War II and after a 25-year lapse in such entries. In these countries the transition...