Multiphasic Responses to Environmental Change in the Amazon: A Case Study of Fertility, Migration and Land Use Change

In this presentation, the Multiphasic Response model is used as a foundation for understanding the relationship between land use change (agricultural development), fertility and human migration in the Ecuadorian Amazon. Davis' 1963 Theory of Multiphasic Response proposed that individuals and households recognize the need to change demographic behavior to avoid declines in standards of living and to take advantage of economic opportunities. Novel to Davis' argument was that people will respond to external economic dynamics both sequentially and simultaneously, hence the term multiphasic.

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Sanford Rhodes Conference Room
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