Archivio Istituzionale della RicercaSutton (1998) has recently proposed a theoretical lower bound to firm size inequality when a market is made of several independent submarkets. His results are valid asymptotically, as the number of submarkets becomes arbitrarily large. We show that, in small samples, his results can be interpreted as a positive relationship between an index of firmsize inequality and the number of submarkets. We also test this relationship in the Italian motor insurance market.
Firm size distribution in small samples / Buzzacchi, Luigi; Tommaso, Valletti. - In: BULLETIN OF ECONOMIC RESEARCH. - ISSN 0307-3378. - 56:(2004), pp. 301-309.
Firm size distribution in small samples
BUZZACCHI, LUIGI;
2004
Abstract
Sutton (1998) has recently proposed a theoretical lower bound to firm size inequality when a market is made of several independent submarkets. His results are valid asymptotically, as the number of submarkets becomes arbitrarily large. We show that, in small samples, his results can be interpreted as a positive relationship between an index of firmsize inequality and the number of submarkets. We also test this relationship in the Italian motor insurance market.
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https://hdl.handle.net/11583/1397865
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