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What drove western population growth in the U.S. during the 19th century? The facts are: (i) The birth ratio was higher …% of the rate of population growth in the northwest region. The rest derived from natural increase. From 1890 to 1900, this … simulated to see whether it can match the time-series decomposition of population growth between migration and fertility. It can …
Persistent link: https://www.econbiz.de/10005085485
. If repeated bouts of the plague reduced the population of Florence in the fourteenth century and kept it low into the …
Persistent link: https://www.econbiz.de/10005051448
This paper makes five contributions to the modeling of societies organized primarily according to age. First, it models the social rules adhered to by a particular age-group society, the Rendille of Northern Kenya. Second, it shows that their age-group rules are well represented by the standard...
Persistent link: https://www.econbiz.de/10005069345
After the fall in fertility during the Demographic Transition, many developed countries experienced a baby bust, followed by the Baby Boom and subsequently a return to low fertility. Received wisdom from the Demography literature links these large fluctuations in fertility to the series of...
Persistent link: https://www.econbiz.de/10004977939
The objective of the paper is to develop and estimate a non-parametric dynamic model of the marriage market. Individuals are differentiated by their age and current marital status. In each period, unmarried men and women choose whether they want to marry and who to marry. Equilibrium transfers...
Persistent link: https://www.econbiz.de/10005085430
The present paper constructs possible baseline economies with an aging population to analyze Social Security reform … experiments. In this process, the following two aspects are stressed: First, like most other developed countries, the population … present paper solves the model for equilibrium transition paths from 1961 through 2200, using the actual (and projected) age-population …
Persistent link: https://www.econbiz.de/10005085452
In this paper, we generalize the notion of Pareto-efficiency to make it applicable to environments with endogenous populations. Two different efficiency concepts are proposed, P-efficiency and A-efficiency. The two concepts differ in how they treat people that are not born. We show how these...
Persistent link: https://www.econbiz.de/10005090876
Social norms are influenced by the technological environment that a society faces. Behavioral modes reflect purposive decision making by individuals, given the environment they live in. Thus, as technology changes, so might social norms. There were big changes in social norms during the 20th...
Persistent link: https://www.econbiz.de/10005051241
Persistent link: https://www.econbiz.de/10005051343
.S. population by 0.4 years, and that new cancer drugs accounted for 10.7% of the overall increase in U.S. life expectancy at birth …
Persistent link: https://www.econbiz.de/10005069456