Full Citation
Title: The Physics of Large-Scale Food Crises
Citation Type: Miscellaneous
Publication Year: 2018
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Abstract: Investigating the “physics” of food crises consists in identifying features which are common to all large-scale food crises. One element which stands out is the fact that during a food crisis there is not only a surge in deaths but also a correlative temporary decline in conceptions and subsequent births. As a matter of fact, birth reduction may even start several months before the death surge and can therefore serve as an early warning signal of an impending crisis. This scenario is studied in three cases of large-scale food crises. Finland (1868), India (1867–1907), China (1960–1961). It turns out that between the regional amplitudes of death spikes and birth troughs there is a power law relationship. This confirms what was already observed for the epidemic of 1918 in the United States (Richmond et al. 2018b). In a second part of the paper we explain how this relationship can be used for the investigation of mass-mortality episodes in cases where direct death data are either uncertain or nonexistent.
Url: https://arxiv.org/pdf/1807.05100.pdf
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Authors: Richmond, Peter; Roehner, Bertrand, M; Wang, Qing-hai
Publisher: Trinity College Dublin
Data Collections: IPUMS USA
Topics: Fertility and Mortality, Other
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