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. Author manuscript; available in PMC: 2012 May 10.
Published in final edited form as: J Health Econ. 2011 Nov 22;31(1):257–270. doi: 10.1016/j.jhealeco.2011.10.009

Table 1.

The four indices

Mirror Non mirror
Symmetry Generalized Symmetric Index Symmetric Index
Non symmetry Generalized Extended Concentration Index Extended Concentration Index