That's an extreme, but it's certainly common economic knowledge that income inequality -- in rich nations -- tends to promote economic growth. Of course, commo

That's an extreme, but it's certainly common economic knowledge that income inequality -- in rich nations -- tends to promote economic growth. Of course, common knowledge is sometimes wrong, but I think it takes more than one article to disprove it. One example of such common knowledge: http://www.springerlink.com/content/w26530m1x3163184/ http://www.springerlink.com/content/w26530m1x3163184/