Margret Kennedy is one of the foremost experts on monetary reform and alternative curriences:
"Prof. Dr. Margrit Kennedy, is an architect with a Masters Degree in Urban and Regional Planning and a Ph.D. in Public and International Affairs. She has published books, articles and reports on community school planning and building, women and architecture, urban ecology, permaculture, money, land and tax systems. She has also practised architecture and urban planning in Brazil, Nigeria, Scotland, the USA and Germany and has worked as a professor for Ecological Building Technologies at the Department of Architecture, University of Hanover. At present she lives in the eco-village of Lebensgarten in Steyerberg, Lower Saxony. Her work in ecological architecture in 1982, led her to the discovery, that it is virtually impossible to carry out sound ecological concepts on the scale required today, without fundamentally altering the present money system or creating new complementary currencies.
Her book 'Interest and Inflation-Free Money, Creating an Exchange Medium that works for Everybody and Protects the Earth' was published first in 1987 and updated and revised in 1995: Seva International, Mumbai, India & Okemos, Michigan, USA - [email protected]
As a consultant in complementary currencies, she recently helped in the preparation for creating a sustainable money system with demurrage for the planned international city of Aurovillle, India, for Cali, Columbia, for different Regions in Argentina, Germany und New Zealand,. Margrit and her husband, Prof. Declan Kennedy, have been running international workshops on different aspects of money reform, alternative years in English and German, since 1988 in Steyerberg" (http://www.margritkennedy.de/english/cvenglish.html)
Her book is available at http://userpage.fu-berlin.de/~roehrigw/kennedy/english/