The idea that each country should have one currency is so deeply rooted in people's minds that the possibility of multiple and concurrent currencies seems unthinkable. Monetary systems contribute to problems of high unemployment and social distress during financial and economic crisis, so reforms to increase the responsiveness and flexibility of the monetary system can be part of the solution.

List of Figures; List of Tables; List of Contributors; Acknowledgements; 1. The monetary system as an evolutionary construct Georgina M. Gómez; 2. Monetary Plurality in Economic Theory Jérôme Blanc, Ludovic Desmedt, Laurent Le Maux, Jaime Marques-Pereira, Pepita Ould-Ahmed and Bruno Théret ; 3. Making sense of the plurality of money: a Polanyian attempt Jérôme Blanc; 4. How does monetary plurality work at the household level? The division of labour among currencies in Argentina (1998-2005) Georgina M. Gómez; 5. Monetary federalism as A concept and its Empirical underpinnings in Argentina's monetary history Bruno Théret; 6. Famine of Cash: Why Have Local Monies Remained Popular throughout Human History? Akinobu Kuroda; 7. The pervasiveness of monetary plurality in economic crisis and wars Georgina M. Gómez and Wilko von Prittwitz und Gaffron; 8. Birth, Life and Death of a Provincial Complementary Currency from Tucuman, Argentina (1985 - 2003) Bruno Théret; 9. Community Currency and Sustainable Development in Hilly and Mountainous Areas: A Case Study of Forest Volunteer Activities in Japan Yoshihisa Miyazaki and Ken-ichi Kurita; 10. Sustainable Territorial Development and Monetary Subsidiarity Marie Fare; 11. Relationship between people's money consciousness and circulation of community currency Shigeto Kobayashi, Takashi Hashimoto, Ken-ichi Kurita and Makoto Nishibe; 12. Gaming Simulation using Electronic Community Currencies: Behavioural Analysis of Self-versus-Community Consciousness Masahiro Mikami and Makoto Nishibe; 13. For the policy maker: when and how is monetary plurality an option Georgina M. Gómez; Index