Introduction to Microeconomics
 Spring 2010
Prof. Rubin
This assignment is worth 15 points. It is due in class on Monday May 3; I will only
accept assignments in class; no emails will be accepted.
It must be typed using a 12 point font. (I will not accept any handwritten assignments.)
Double space everything
. You must limit your written response to one page though
the
graph that I ask you to draw below should be on a separate piece of paper.
Put your name and Student ID on the top left hand side of the first page.
Go to the following web site and read about the Lorenz Curve and the Gini Coefficient.
http://www.econweb.com/texts/current/Mansions/inequalitymeasure.html
The Lorenz Curve is a way to depict the distribution of income and the Gini Coefficient
(Gini Index) is a measure of the extent of inequality.
Mankiw does not include these
concepts in his book but I think it is important that you become familiar with these terms
and with some sense of the historical trends in inequality.
(You might find it helpful to
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 Fall '09
 PERRY
 Gini coefficient, Income inequality metrics, Lorenz Curves

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