Effect of marital status on death rates. Part 2: Transient mortality spikes

Peter Richmond and Bertrand M. Roehner

Physica A: Statistical Mechanics and its Applications, 2016, vol. 450, issue C, 768-784

Abstract: We examine what happens in a population when it experiences an abrupt change in surrounding conditions. Several cases of such “abrupt transitions” for both physical and living social systems are analyzed from which it can be seen that all share a common pattern. First, a steep rising death rate followed by a much slower relaxation process during which the death rate decreases as a power law. This leads us to propose a general principle which can be summarized as follows: “Any abrupt change in living conditions generates a mortality spike which acts as a kind of selection process”. This we term the Transient Shock conjecture. It provides a qualitative model which leads to testable predictions. For example, marriage certainly brings about a major change in personal and social conditions and according to our conjecture one would expect a mortality spike in the months following marriage. At first sight this may seem an unlikely proposition but we demonstrate (by three different methods) that even here the existence of mortality spikes is supported by solid empirical evidence.

Keywords: Death rate; Marital status; Widowhood; Young widowers; Response function; Transient behavior (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:450:y:2016:i:c:p:768-784

DOI: 10.1016/j.physa.2015.12.138

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