The New Economics Foundation is a think-tank and provides a wealth of information regarding the LM3 tool and other related tools such as Plugging the Leaks and Umbrellas and Funnels. The aim is raise awareness of the local economy and the need to invest in it.
http://www.neweconomics.org/gen/tools_top.aspx
Click here to access Wansbeck District Council’s LM3 study (2005).