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In Living Memory: The Dynamics of Event Recollection in a Stable Population

Frank T Denton and Byron G Spencer

Department of Economics Working Papers from McMaster University

Abstract: We model a stable population that has experienced an important historical event and the declining proportion of the population that remembers that event, as time passes. The proportion is determined by the demographic characteristics of the population, including its age distribution, the natural rate of growth, the underlying birth rate, the life table probabilities to which the population is subject, and the effects of immigration and emigration under alternative assumptions about the nature of the event. (We distinguish between “local” and “universal” events.) It is determined also by the choice of an age of awareness of children at the time the event occurred. We preface development of the model by noting examples of major events of the kind we have in mind and, after development, explore the model’s sensitivity to different parameter specifications, by experimental simulation. The output of each experiment is a sequence of “remembering” proportions at successive decade intervals and the corresponding mean ages of the “rememberers” in relation to the overall mean age of the population.

Keywords: Population memory; Collective living memory; Population modelling; Demographic dynamics; Stable population (search for similar items in EconPapers)
JEL-codes: C63 J1 J10 J11 (search for similar items in EconPapers)
Pages: 25 pages
Date: 2020-05
New Economics Papers: this item is included in nep-age and nep-ore
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