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Citation Indices from GS

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:: Volume 19, Issue 1 (9-2008) ::
مجله‌ی بررسی‌ها 2008, 19(1): 1-14 Back to browse issues page
Estimation of Lorenz Curve and Gini Coefficient by Parametric Method
Azadeh Mojiri , Reza Mohtashami Borzadaran * , Yadollah Waghei
Abstract:   (4433 Views)

Abstract. Lorenz curve is an important tool to measure income inequality. Many indices are defined based on Lorenz curve to measure the inequality; Gini coefficient is one of them.

In this paper, we introduce Lorenz curve and Gini coefficient and we estimate the unknown parameters of income probability distribution by the maximum likelihood method. Functional forms of the Lorenz curve are estimated via two methods and the best functional form is introduced.

Finally, we estimate the Lorenz curve and the Gini coefficient based on the data of household income and expenditure survey of Iran 2005.

Keywords: Functional forms, Gini coefficient, Least squares estimation, Lorenz curve, Maximum likelihood estimation
Full-Text [PDF 172 kb]   (3841 Downloads)    
Type of Study: Research | Subject: General
Received: 2008/12/21 | Accepted: 2009/04/13 | Published: 2016/03/1
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Mojiri A, Mohtashami Borzadaran R, Waghei Y. Estimation of Lorenz Curve and Gini Coefficient by Parametric Method. مجله‌ی بررسی‌ها 2008; 19 (1) :1-14
URL: http://ijoss.srtc.ac.ir/article-1-116-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 19, Issue 1 (9-2008) Back to browse issues page
مجله‌ی بررسی‌های آمار رسمی ایران Ijoss Iranian Journal of Official Statistics Studies
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