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Pasquale Cirillo
''Some evidence about the evolution of the size distribution of Italian firms by age''
( 2009, Vol. 29 No.3 )
In this short note we are interested in the distribution of Italian firm size by age. In the wake of other recent work, such as Cabral and Mata (2003) [On the evolution of firm size distribution: facts and theory. American Economic Review 93, 1075-1090] for Portuguese companies, we aim to verify if the size distribution of young firms (less than 5 years old) is sensibly different from that of older firms (more than 30 years old). To perform our analysis we use a very comprehensive industrial panel, with about 25k firms for twenty years of observations. As far as the results are concerned, it is possible to verify a clear difference in the size distribution of firms by age, for which we give a good fit using the generalized beta distribution of the second kind.
Keywords: firms' size distribution, generalized beta of the second kind, firms' age, empirical laws
JEL: C4 - Econometric and Statistical Methods: Special Topics
D3 - Distribution: General
Manuscript Received : Mar 05 2009 Manuscript Accepted : Jul 22 2009

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