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Corrado Di Guilmi, Mauro Gallegati and Edoardo Gaffeo
''Power Law Scaling in the World Income Distribution''
( 2003, Vol. 15 No.6 )
We show that over the period 1960-1997, the range comprised between the 30th and the 85th percentiles of the world income distribution expressed in terms of GDP per capita invariably scales down as a Pareto distribution. Furthermore, the time path of the power law exponent displays a negatively sloped trend. Our findings suggest that the cross-country average growth process appears to be scale invariant but for countries in the tails of the world income distribution, and that the relative volatility of smaller countries' growth processes have increased over time.
Keywords: Growth
JEL: O4 - Economic Growth and Aggregate Productivity: General
E1 - General Aggregative Models: General
Manuscript Received : Jul 14 2003 Manuscript Accepted : Aug 02 2003

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