The macrodynamics of international migration as a sociocultural diffusion process. Part A: theory [0.03%]
国际迁移的宏动力学作为一个社会文化传播过程。A:理论部分
N D Diamantides
N D Diamantides
"This study formulates a model of the macrodynamics of international migration using a differential equation to capture the push-pull forces that propel it. The model's architecture rests on the functioning of information feedback between s...
Longevity and life expectancy [0.03%]
长寿和预期寿命
C Marchetti
C Marchetti
"In this article the evolution of life expectancy is examined historically for various European nations at various ages, and according to sex. Appropriate logistic equations describe the facts and extrapolate into the future giving the doct...
Human population dynamics revisited with the logistic model: how much can be modeled and predicted? [0.03%]
Logistic模型重温:人口动力学能建模和预测多少内容?
C Marchetti,P S Meyer,J H Ausubel
C Marchetti
"We revive the logistic model, which was tested and found wanting in early-20th-century studies of aggregate human populations, and apply it instead to life expectancy (death) and fertility (birth)....For death...the logistic portrays the s...
The macrodynamics of international migration as a socio-cultural diffusion process. Part B: applications [0.03%]
国际移民作为社会文化扩散过程的宏观动力学 第二部分:应用
N D Diamantides
N D Diamantides
"This study formulates a model of the macrodynamics of international migration using a differential equation to capture the push-pull forces that propel it. The model's architecture rests on the functioning of information feedback between s...
J F Coates
J F Coates