Dear Franco, I would suggest you read and review http://p2pfoundation.net/From_an_Economics_of_Power_and_Greed_to_an_Economic... contact max neef, chile, for book of the week treatment, with recommended excerpts from chapter 5, see review -- P2P Foundation: http://p2pfoundation.net - http://blog.p2pfoundation.net Connect: http://p2pfoundation.ning.com; Discuss: http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation Updates: http://del.icio.us/mbauwens; http://friendfeed.com/mbauwens; http://twitter.com/mbauwens; http://www.facebook.com/mbauwens