gini I understand as a coefficient allowing some guess at level of equality. What is a Hefindahl please? Thanks, Hari
The Herfindahl is the sum of the squared market shares. H = 1 means "monopoly." H = 1/n (for n very large) means a "perfectly competitive" market.
Julio
_________________________________________________________________ MSN Amor: busca tu ½ naranja http://latino.msn.com/autos/