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GLCURVE: Stata module to derive generalised Lorenz curve ordinates

Listed author(s):
  • Stephen P. Jenkins


    (London School of Economics)

  • Philippe Van Kerm


    (University of Namur)

Given variable varname, call it x with c.d.f. F(x), glcurve either draws its Generalised Lorenz curve or generates two new variables containing the Generalised Lorenz ordinates for x, i.e. GL(p) at each p = F(x) (or both). For a population ordered in ascending order of x, a graph of GL(p) against p plots the cumulative total of x divided by population size, against cumulative population share. GL(1) = mean(x). glcurve can also be used to derive many other related concepts such as concentration curves and 'Three Is of Poverty' (TIP) curves, with appropriate definition of varname, order of cumulation (set with sortvar option), and normalisation (e.g. by the mean of varname). For example, the 'ordinary' Lorenz curve L(p) = GL(p)/mean(x). Users of this routine for Stata 5 or 6 should use glcurve5; users of Stata 7 should use glcurve7.

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Software component provided by Boston College Department of Economics in its series Statistical Software Components with number S366302.

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Programming language: Stata
Requires: Stata version 8.0
Date of creation: 27 Oct 2004
Date of revision: 24 Jun 2008
Handle: RePEc:boc:bocode:s366302
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