| Issue |
Europhys. Lett.
Volume 72, Number 5, December 2005
|
|
|---|---|---|
| Page(s) | 865 - 871 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2005-10294-8 | |
| Published online | 26 October 2005 | |
Statistical properties of the circulation of magazines and newspapers
Departamento de Física, Universidade Estadual de Maringá Avenida Colombo 5790, 87020-900, Maringá-PR, Brazil
Received:
26
July
2005
Accepted:
28
September
2005
We analyze data sets containing the circulation of magazines and
newspapers. We show that the cumulative distribution follows, in
the range of large circulation, a power law behavior whose
exponent is 
; and deviations from the asymptotic
power law behavior can be well described by a q-exponential
distribution (Zipf-Mandelbrot law) from Tsallis statistics. We
also show that, in the range of large circulation, the
distribution of logarithmic growth rates is consistent with an
exponential; and the standard deviation of the growth rates is
practically independent of the circulation (size). Moreover, we
employ a model, inspired in one of the simplest model for firm
growth, in order to reproduce some of our findings.
PACS: 89.90.+n – Other topics in areas of applied and interdisciplinary physics / 89.75.Da – Systems obeying scaling laws / 02.50.-r – Probability theory, stochastic processes, and statistics
© EDP Sciences, 2005
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