A new multivariate approach is introduced to identify the middle class of a society and to measure its possible decline. The middle class is a properly defined central region in attribute space that contains a fixed portion of the population. The decline of the middle class is measured by comparing the dispersion of the middle class. The use of minimum volume ellipsoids and different notions of central regions is discussed in one and several dimensions. An empirical illustration is given using German data on income and wealth.
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Paper provided by Universita' Politecnica delle Marche (I), Dipartimento di Economia in its series Working Papers with number
333.
Find related papers by JEL classification: D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement I30 - Health, Education, and Welfare - - Welfare and Poverty - - - General
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