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From |
"Francesco Burchi" <fburchi@uniroma3.it> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
Re: st: re: Inequality of education: ineqdec0? |

Date |
Fri, 19 Feb 2010 15:48:16 +0100 |

Dear Martin, Than you for the interesting point you raise. However, this does not seem to be an issue in my case because I am analyzing the changes in inequality in Peru during the crisis of end 1980s-beginning of 1990s. It seems that the average years of education fall for most of the groups and inequality slightly raises. My idea was to use different inequality indices, such as the Gini, Entropy, as well as the coefficient of variation, which, as you suggest, takes into consideration the average years of education since it is given by the standard deviation divided by the mean. My question is: can I simply use the "ineqdec0 EDU" command to compute the Gini for years of schooling? Any suggestion on other indices? Thanks, Francesco --- On Thu, 18/2/10, Francesco Burchi wrote: > I am using individual data to calculate inequality of > educational participation across people in a country > in 3 different year. I would like to compute the Gini > coefficient and possibly other indices of inequality > on the variable "years of schooling". Can I use the > simple command: > Ineqdec0 EDU ? > > The problems is that years of schooling is a discrete > variable, which presents many 0-values, and I am not > sure whether I can use the same procedure used for > computing income inequality. Moreover, can I compare > directly the indices for the three years? ...[show rest of quote] One problem you would need to consider is that any changes in inequality over time will be influenced by educational expansion, i.e. more recent cohorts get more education than older cohorts. So what usualy happens is that initially there isn't much inequality because a large portion of the population was bunched at the lowest level (i.e. everybody is equally misserable). In later cohorts people get more education, which means that there is more possibility to differ from one another, and thus inequality increases. So, if you see an increase in inequality over time you need to ask yourself, do I see an increase in inequality or an increase in the average level of education? In my sub-discipline such an increase in inequality would be considered a trivial consequence of educational expansion. At least you would need to discuss the relation between inequality and changes the average level of education. One way to do so is to show how the distribution of education changes over time. You could a stacked bar chart for that. Hope this helps, Maarten -------------------------- Maarten L. Buis Institut fuer Soziologie Universitaet Tuebingen Wilhelmstrasse 36 72074 Tuebingen Germany http://www.maartenbuis.nl -------------------------- Dear Statalisters, I am using individual data to calculate inequality of educational participation across people in a country in 3 different year. I would like to compute the Gini coefficient and possibly other indices of inequality on the variable "years of schooling". Can I use the simple command: Ineqdec0 EDU ? The problems is that years of schooling is a discrete variable, which presents many 0-values, and I am not sure whether I can use the same procedure used for computing income inequality. Moreover, can I compare directly the indices for the three years? Thanks, Francesco * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**AW: st: re: Inequality of education: ineqdec0?***From:*"Martin Weiss" <martin.weiss1@gmx.de>

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