Pammolli, F.; Fu, D.; Buldyrev, S. V.; Riccaboni, M.; … - In: The European Physical Journal B - Condensed Matter and … 57 (2007) 2, pp. 127-130
We introduce a model of proportional growth to explain the distribution P(g) of business firm growth rates. The model predicts that P(g) is Laplace in the central part and depicts an asymptotic power-law behavior in the tails with an exponent ζ=3. Because of data limitations, previous studies...