The analysis of age-specific fertility patterns via logistic models

Cristina Rueda-Sabater and Pedro Alvarez-Esteban

Journal of Applied Statistics, 2008, vol. 35, issue 9, 1053-1070

Abstract: In this paper, we introduce logistic models to analyse fertility curves. The models are formulated as linear models of the log odds of fertility and are defined in terms of parameters that are interpreted as measures of level, location and shape of the fertility schedule. This parameterization is useful for the evaluation, and interpretation of fertility trends and projections of future period fertility. For a series of years, the proposed models admit a state-space formulation that allows a coherent joint estimation of parameters and forecasting. The main features of the models compared with other alternatives are the functional simplicity, the flexibility, and the interpretability of the parameters. These and other features are analysed in this paper using examples and theoretical results. Data from different countries are analysed, and to validate the logistic approach, we compare the goodness of fit of the new model against well-known alternatives; the analysis gives superior results in most developed countries.

Keywords: logistic model; fertility schedule; state-space model; maximum-likelihood estimation; Tempo; quantum (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (1)

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DOI: 10.1080/02664760802192999

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