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Do Inequality Measures Measure Inequality?, Gary S. Fields

Gary S Fields

[Excerpt] In the literature, much attention has been paid to a number of aspects of inequality including the distinction between relative and absolute inequality, axiomatization of inequality, the Lorenz criterion for inequality comparisons, properties of various inequality measures, and inequality decomposition. In no way do I wish to argue with the main results derived in these areas. Rather, my purpose here is to add to the theory of inequality measurement by dealing with one aspect of inequality which has been largely ignored by economists and by others. This is the question of how inequality changes - in particular, whether it …