3 sector
http://ricardvalls.blogspot.com/
http://www.charitybank.org/news/67-people-think-charities-should-invest-their-money-ethically
http://www.intress.org/debate-crisis-ss.html
http://www.euclidnetwork.eu/pages/en/this-is-european-social-innovation.html
http://www.euskadinnova.net/es/innovacion-social/noticias/organizacion-hibrida/5282.aspx
http://ricardvalls.blogspot.com/2011/02/la-inversion-social-del-grupo-santander.html