Ludwig Schuster, who advises many of complementary currency systems that have sprung up in Germany, looked at the role that money systems have to play in moving economies away from the exponential growth paradigm. He argued that, as different activities offer different benefits, special currencies may be needed for particular purposes.
Recording of parallel workshop with Richard Douthwaite, and Ludwig Schuster. This video is available to Feasta Members and attendees of the conference only. Please contact website @ feasta.org for access.