The world and most regions and countries are experiencing unprecedentedly rapid demographic change. The most obvious example of this change is the huge expansion of human numbers: four billion have been added since 1950. Projections for the next half century expect a highly divergent world, with stagnation or potential decline in parts of the developed world and continued rapid growth in the le...

In 1971 Abdel R. Omran published his classic paper on the theory of epidemiologic transition. By the mid-1990s, it had become something of a citation classic and was understood as a theoretical statement about the shift from infectious to chronic diseases that supposedly accompanies modernization. However, Omran himself was not directly concerned with the rise of chronic disease; his theory was...

Over the past couple of decades, if not more, Kerala, a state in southern India, has drawn both international and national attention for its achievements in demographic transition with fertility reaching below replacement level and under 5 mortality comparing with most of the developed countries. In the social sector the literacy level (both male and female) has been the highest in the country ...

The paper develops a general equilibriummodel where population sources, such as fertility and mortality rates, are chosen variables. It is shown that the evolution of population over time depends on income and relative prices of mortality and fertility rates. Initially as a country develops, countries should face a period with increasing fertility and higher population growth rates but later fe...

At the end of the 19 century several French scholars noted that a remarkable change was taking place in the population of their country. The number of children per family declined, clearly as the result of deliberate efforts to reduce fertility within marriage. It was soon understood that the voluntary limitation of marital fertility was a revolutionary novelty and the term ‘demographic revolut...

in this article, in order to demonstrate the pragmatic elements of rawls’s viewpoint, the developmental path of his a theory of justice shall first be investigated. this development has two phases: in the first phase, justice has an ethical-philosophical basis. in a theory of justice, this phase is specifically shown under the title of theory of justice. in the second phase, justice has no phil...

In the 19th century, the United Kingdom began a period of economic transformation known as the Industrial Revolution. While the typical reader may think of Dickensian mills when hearing of the Industrial Revolun the 19th century, the United Kingdom began a period of economic transformation known as the Industrial Revolution. It’s commonly believed that this era opened as new inventions improved...

Life history of organisms is exposed to uncertainty generated by internal and external stochasticities. Internal stochasticity is generated by the randomness in each individual life history, such as randomness in food intake, genetic character and size growth rate, whereas external stochasticity is due to the environment. For instance, it is known that the external stochasticity tends to affect...

Background Studies of trends in population changes and epidemiological profiles in the developing world have overwhelmingly relied upon the concepts of demographic, epidemiological, and health transitions, even though their usefulness in describing and understanding population and health trends in developing countries has been repeatedly called into question. The issue is particularly relevant ...