IDEAS home Printed from
MyIDEAS: Login to save this article

An Alternative Formulation of the Esteban-Gradín-Ray Extended Measure of Polarization

  • Ma Casilda Lasso de la Vega


    (Universidad del País Vasco)

  • Ana Marta Urrutia


    (Universidad del País Vasco)

Measuring the extent to which distribution is polarized has recently attracted some attention from economists. Polarization, though related to inequality, is a different concept and implies a tendency towards clustering of observations into groups. It is of interest because it may be related to the generation of tensions and social unrest. In independent studies, Esteban and Ray (1994) and Wolfson (1994) conceptualized the notion of polarization and developed the corresponding measures. Since their papers, many other indices have been proposed. Particularly, in a recent paper in this journal, Grad´ın (2002) uses an extension of the Esteban and Ray measure. In this paper we point out some problems with this extended measure of polarization and explore an alternative formulation for the extension so as to solve the problem identified. An illustration of the use of these tools taking data from 22 Latin American countries shows the possibilities of this new measure and how polarization and inequality can often differ in practice.

To our knowledge, this item is not available for download. To find whether it is available, there are three options:
1. Check below under "Related research" whether another version of this item is available online.
2. Check on the provider's web page whether it is in fact available.
3. Perform a search for a similarly titled item that would be available.

Article provided by Journal of Income Distribution in its journal Journal of Income Distribution.

Volume (Year): 15 (2006)
Issue (Month): I (December)
Pages: 42-54

in new window

Handle: RePEc:jid:journl:y:2006:v:15:i:i:p:42-54
Contact details of provider: Postal:
York Hall 327, 2275 Bayview Avenue, Toronto, Ontario M4N 3M6

Phone: 416-487-6712
Fax: 416-487-6852
Web page:

More information through EDIRC

No references listed on IDEAS
You can help add them by filling out this form.

This item is not listed on Wikipedia, on a reading list or among the top items on IDEAS.

When requesting a correction, please mention this item's handle: RePEc:jid:journl:y:2006:v:15:i:i:p:42-54. See general information about how to correct material in RePEc.

For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Benjamin Nicholls)

If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

If references are entirely missing, you can add them using this form.

If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.

If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.

Please note that corrections may take a couple of weeks to filter through the various RePEc services.

This information is provided to you by IDEAS at the Research Division of the Federal Reserve Bank of St. Louis using RePEc data.