If I understand the paper correctly, the "modified Lorenz curves" are what is elsewhere referred to as the Concentration curve. You can use -glcurve- for that, e.g.
ssc describe glcurve
sysuse auto
glcurve weight, sortvar(price) lorenz
If you want to plot several curves for several income sources, do stg like:
glcurve incomesource1, sortvar(totalincome) lorenz glvar(mlc1) pvar(p) nograph
glcurve incomesource2, sortvar(totalincome) lorenz glvar(mlc2) nograph
...
tw line mlc1 mlc2 ... p
or
tw line mlc1 mlc2 ... p p // to add a 45 degree ref line
Good luck
Philippe
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of fleur wouterse
Sent: Tuesday, May 27, 2008 1:04 PM
To: [email protected]
Subject: st: Modified Lorenz Curve
Dear all,
I have been trying to plot Modified Lorenz curves to
illustrate income distribution by source as in the
paper by Leones & Feldman (1998) in Economic
Development and Cultural Change but I do not see an
option in Stata to do anything like this.
Your help is appreciated,
Fleur Wouterse
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