Efficient Estimation of the Lorenz Curve and Associated Inequality Measures from Grouped Observations

N. C. Kakwani and N. Podder

Chapter 4 in Modeling Income Distributions and Lorenz Curves, 2008, pp 57-70 from Springer

Abstract: Abstract This paper introduces a new coordinate system for the Lorenz curve. Particular attention is paid to a special case of wide empirical validity. Four alternative methods have been used to estimate the proposed Lorenz curve from the grouped data. The well known inequality measures are obtained as the function of the estimated parameters of the Lorenz curve. In addition the frequency distribution is derived from the equation of the Lorenz curve. An empirical illustration is presented using the data from the Australian Survey of Consumer Expenditure and Finances 1967–68.

Keywords: Income Inequality; Income Distribution; GINI Index; Consistent Estimator; Lorenz Curve (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1007/978-0-387-72796-7_4

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