Green Cities Fund has been at the forefront of economic innovation in Cuba, providing educational information on socially responsible enterprise as an adjunct to the state-controlled economy.
Here is an article on the subject: http://www.ssireview.org/
November 2014 NPR program on cooperatives in Cuba: http://latinousa.org/2014/11/
Green Cities Fund sponsored Socially Responsible Enterprise and Local Development in Cuba Project has recently published a helpful guide to doing business in Cuba.
Download the guide: Doing Business in Cuba