Volume 21 - Article 25 | Pages 759-764
The metastable birth trajectory
| Date received: | 23 Dec 2008 |
| Date published: | 18 Nov 2009 |
| Word count: | 1319 |
| Keywords: | dynamic population models, metastable population, quadratic exponential trajectory, stable population |
| DOI: | 10.4054/DemRes.2009.21.25 |
| Weblink: | All publications in the ongoing Special Collection 8 "Formal Relationships" can be found at http://www.demographic-research.org/special/8/ |
Abstract
The metastable model generalizes the stable population model by allowing net maternity to change exponentially over age and time. As a result, the metastable model generates an exponentially quadratic birth trajectory, which is characterized by a constant proportion of births by age of mother. The metastable model is well suited to analyzing steady fertility declines and transitions between two regimes of fixed vital rates.
Author's Affiliation
Robert Schoen - Pennsylvania State University, United States of America
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