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Persistent link: https://www.econbiz.de/10001594701
This paper examines variations in stature and the Body Mass Index (BMI) across space for the United States in 1917/18, using published data on the measurement of approximately 890,000 recruits for the American Army for World War I. It also connects those anthropometric measurements with an index...
Persistent link: https://www.econbiz.de/10012471325
Our two related goals in this paper are the following: Firstly and mainly, we want to examine the effects of major changes in modelling strategy and econometric methodology, over the past twenty years, on estimation of firm-level investment equations using panel data. Secondly, we try to assess...
Persistent link: https://www.econbiz.de/10012471345
cumulative innovation. Recent evidence suggests that semiconductor firms do not rely heavily on patents, despite the …
Persistent link: https://www.econbiz.de/10012471739
Persistent link: https://www.econbiz.de/10012477107
The U.S. fertility transition in the nineteenth century is unusual. Not only did it start from a very high fertility level and very early in the nation's development, but it also took place long before the nation's mortality transition, industrialization, and urbanization. This paper assembles...
Persistent link: https://www.econbiz.de/10012481216
This paper deals with the issue of using infant and childhood mortality as an indicator of inequality. The case is that of the United States in the 20th century. Using microdata from the 1900 and 1910 Integrated Public Use Microsamples (IPUMS), published data from the Birth Registration Area in...
Persistent link: https://www.econbiz.de/10012462523
Over the course of the nineteenth century manufacturing in the United States shifted from artisan shop to factory production. At the same time United States experienced a "transportation revolution", a key component of which was the building of extensive railroad network. Using a newly created...
Persistent link: https://www.econbiz.de/10012464237
All nations that can be characterized as developed have undergone the demographic transition from high to low levels of fertility and mortality. Most presently developed nations began their fertility transitions in the late nineteenth or early twentieth centuries. The United States was an...
Persistent link: https://www.econbiz.de/10012466091
Most of the estimated effects are small and the signs are not wholly consistent with either model, under the null hypothesis that agriculture was the chief beneficiary of rail access. For example, we find that rail access appears to have increased urbanization, raised the likelihood of...
Persistent link: https://www.econbiz.de/10012466284