Directory of Economic - Commodity - Development Organizations

http://www.imf.org/external/np/sec/decdo/contents.htm

GDP / GPI / PPT

http://en.wikipedia.org/wiki/Gross_domestic_product
http://en.wikipedia.org/wiki/Genuine_progress_indicator
http://hale-business.wikispaces.com/file/view/GDP+vs+GPI.ppt