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Chengdu [a] is the capital city of the Chinese province of Sichuan. With a population of 20,937,757 at the 2020 census, [5] it is the fourth most populous city in China, and it is the only city with a population of over 20 million apart from direct-administered municipalities. It is traditionally the hub of Western China. Chengdu is in central ...
Among them, the total permanent population of Chongqing, Shanghai, Beijing and Chengdu is above 20 million. [7] Shanghai is China's most populous urban area, [ 8 ] [ 9 ] while Chongqing is its largest city proper , the only city in China with the largest permanent population of over 30 million.
The Chinese government aimed to reduce population growth by promoting guidelines for birth control and family planning. The government believed that having fewer children and spacing births more adequately would allow families to allocate more resources per child, resulting in better health and education outcomes for children.
Demographic economics or population economics is the application of economic analysis to demography, the study of human populations, including size, growth, density, distribution, and vital statistics.
Population Growth and Economic Development. Introduction. The relationship existing between population growth and economic development is one of the subject areas which scholars have explored extensively. The current prediction from researchers is that, various high-income countries are likely to experience slow population growth.
Evolutionary game theory was first developed by Ronald Fisher in his 1930 article The Genetic Theory of Natural Selection. [26] In 1973 John Maynard Smith formalised a central concept, the evolutionarily stable strategy. [27] Population dynamics have been used in several control theory applications. Evolutionary game theory can be used in ...
P 0 = P(0) is the initial population size, r = the population growth rate, which Ronald Fisher called the Malthusian parameter of population growth in The Genetical Theory of Natural Selection, [2] and Alfred J. Lotka called the intrinsic rate of increase, [3] [4] t = time. The model can also be written in the form of a differential equation:
Pierre François Verhulst (28 October 1804, in Brussels – 15 February 1849, in Brussels) was a Belgian mathematician and a doctor in number theory from the University of Ghent in 1825. He is best known for the logistic growth model.