Scaling in non-stationary time series. (II). Teen birth phenomenon

M Ignaccolo, P Allegrini, P Grigolini, P Hamilton and B.j West

Physica A: Statistical Mechanics and its Applications, 2004, vol. 336, issue 3, 623-637

Abstract: This paper is devoted to the problem of statistical mechanics raised by the analysis of an issue of sociological interest: the teen birth phenomenon. It is expected that these data are characterized by correlated fluctuations, reflecting the cooperative properties of the process. However, the assessment of the anomalous scaling generated by these correlations is made difficult, and ambiguous as well, by the non-stationary nature of the data that shows a clear dependence on seasonal periodicity (periodic component) and an average changing slowly in time (slow component) as well. We use the detrending techniques described in the companion paper [The earlier companion paper], to safely remove all the biases and to derive the genuine scaling of the teen birth phenomenon.

Keywords: Sociological time series; Complexity; Scaling; Detrending methods (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:336:y:2004:i:3:p:623-637

DOI: 10.1016/j.physa.2003.12.033

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