All issues

23 years of IJCCR

Volume 23 (Summer, 2019 Issue_2)  
23 2019 Editorial Georgina M. Gómez 1
23 2019 Transforming or reproducing an unequal economy: solidarity and inequality in a community currency Ester Barinaga 2-16
23 2019 Key Factors for the Durability of Community Currencies: An NPO Management Perspective Jeremy September 17-34
23 2019 Sidechain and volatility of cryptocurrencies based on the blockchain technology Olivier Hueber 35-44
23 2019 Social representations of money: contrast between citizens and local complementary currency members Ariane Tichit 45-62
Volume 23 (Winter 2019, Issue 1)
23 2019 Editorial: integration of new narratives and worlds in cc research Filipe M. Alves 1-2
23 2019 Las monedas sociales históricas españolas Wilko von Prittwitz 3-19
23 2019 Las monedas locales complementarias: Modelos de orientación estratégica como política pública Andreu Honzawa

 

20-29
23 2019 Aspectos clave del diseño de una moneda complementaria liderada por la administración pública Lluís Muns Terrats; Marta Segura Bonet; Lluís Torrens Mèlich

 

30-47
23 2019 Ventajas e inconvenientes del uso de las monedas sociales y complementarias (MSCS): ¿qué tipo de valores se ofrecen? Yasuyuki Hirota

 

48-62
23 2019 La importancia de conocer la trazabilidad de las monedas complementarias Marta Segura Bonet; Lluís Muns Terrats

 

63-70
23 2019 ¿Cómo funciona la pluralidad monetaria al nivel de los hogares? La división de tareas entre las divisas en la Argentina (1998 – 2005) Georgina M. Gómez

 

71-82
23 2019 La red Comal y las unidades de intercambio solidario (UDIS): Una historia de apropiación y resiliencia navegando entre contradicciones Paula Sánchez de la Blanca Díaz-Meco

 

83-92
23 2019 El desarrollo endógeno sustentable: análisis de la sustentabilidad del banco de horas Olga Cossettini de Capilla del Monte, Argentina, a partir de la Carta de la Tierra. Ricardo Marcelo Orzi

 

93-109
Volume 22 (Summer 2018, Issue 2)
22 2018 Editorial: Building community, promoting the commons, and surfing the digital wave Filipe M. Alves 1-3
22 2018 IJCCR Publications: a literature review 2009-2016 Filipe M. Alves; Rui F. Santos 4-15
22 2018 The District Currency: a new currency design for managing the commons Jens Martignoni 16-38
22 2018 Forms of money power and measure of economic value. The alternative currencies coping with care of commons Maurizzio Ruzzene 39-55
22 2018 A digital community bank: mapping negotiation mechanisms in its consolidation as an alternative to commercial banks Eurídice Gomes da Silva Hernandes; Erica Souza Siqueira; Eduardo Henrique Diniz; Marlei Pozzebon 56-70
22 2018 Extending Blockchain Technology to host Customizable and Interoperable Community Currencies Gustav R.B. Friis; Florian Glaser 71-84
22 2018 Swiss impact currency: improving the impact of currency systems for a sustainable economy in Switzerland Christophe Place; Antonin Calderon; James Stodder; Isidor Wallimann 85-104
22 2018 Sustainability of local complementary currencies: conclusions from an empirical study in Poland Grzegorz Sobiecki 105-125
22 2018 Identifying barriers and solutions to adoption of social, complementary and/or virtual currencies Clara Inés Peña de Carrillo; Josep Lluís de la Rosa i Esteva; Paulo Nicolás Carrillo Peña; Peter Pharow 126-142
Volume 22 (Winter 2018, Issue 1)
22 2018 Introduction: Social Currencies, Innovation and Development Ariádne Scalfoni Rigo 1-3
22 2018 Complementary currencies and the financing of investments in long-term assets Rolf Schroeder 4-15
22 2018 Understanding the diversity of CCs worldwide in globalisation and deindustrialisation as an evolutionary tree diagram? Makoto Nishibe 16-36
22 2018 Financing for development: a monetary issue in which money has no say Tristan Dissaux 37-49
22 2018 Could scaling up of time currencies reduce working time, enlarge participatory democracy and redistribute wealth? Bruno Théret 50-59
22 2018 Contrasted cases. Successes and failures of local currency schemes in France since 2010 Jérôme Blanc and Marie Fare 60-73
22 2018 Impact assessment method: an integral and continuous improvement of complementary currency for sustainability Christophe Place 74-88
22 2018 Assessing local mutual credit as a socioeconomic tool for farmers in New York State’s Hudson Valley Andrew Bonanno 89-102
22 2018 Implementation of modern barter exchange system in Bulgaria Rositsa Toncheva 103-119
22 2018 The diversity and evolutionary process of modern community currencies in Japan Yoshihisa Miyazaki and Ken-ichi Kurita 120-131
22 2018 Using simulation and gaming to design a community currency system Masayuki Yoshida and Shigeto Kobayashi 132-144
Volume 21 (Summer 2017, Issue 2)    
21 2017 The Bright and the Dark Side of Virtual Currencies. Recent Development in Regulatory Frame-work Milenko Josavac 1-18
21 2017 What is the potential for community currencies to deliver positive public health outcomes? Case study of Time Credits in Wisbech, Cambridgeshire, UK Gemma Burgess 19-32
21 2017 Sharing is Caring: Mediterranean Time Banking in a Multidimensional Crisis Scenario Lucía del Moral-Espín 33-50
21 2017 Which characteristics of communities boost time-banking? Case study of the United States Katerina Gawthorpe 51-64
21 2017 Let’s change: a critical study of the aims and practices of a local exchange trading scheme Arianna Bove 65-84
21 2017 IDEAS FOR DEBATE A new type of money for a Mayan community to build resilience in a context of economic crisis 85-97 Ranulfo Paiva Sobrinho, Claudia Maricusa Agraz Hernández, Karla Vanessa Córdoba Brenes, Juan Osti Sáenz, Ademar Ribeiro Romeiro 85-97
Volume 21 (Winter 2017, Issue 1)
21 2017 Editorial: Reflections on scaling-up Georgina M. Gómez 1-5
21 2017 From an idea to a scalable working model: Merging economic benefits with social values in Sardex Giuseppe Littera, Laura Sartori, Paolo Dini and Panayotis Antoniadis 6-21
21 2017 Doing it together. Studying the implementation of a new social currency in the Netherlands Lydwien A. Batterink, Edgar A.D. Kampers, and Judith C.V. van der Veer 22-35
21 2017 Timebanking, co-production and normative principles: putting normative principles into practice Neville Clement, Allyson Holbrook, Daniella Forster, Johanna Macneil, Max Smith, Kevin Lyons and Elizabeth McDonald 36-52
Volume 20 (Summer 2016)
20 2016 Editorial Georgina M. Gómez 1
20 2016 Psychological factors influencing the use and development of complementary currencies Carmen Smith and Alan Lewis 2-23
20 2016 Classifying non-bank currency systems using web data Ariane Tichit, Clément Mathonnat and Diego Landivar 24-40
20 2016 The “commodity – money – commodity” mutual credit complementary currency system. Marxian money to promote community trade and market economy Samo Kavčič 41-53
Volume 19 (Summer 2015, Issue 2)
19 2015 Introduction: Money and Development Georgina Gómez 1-5
19 2015 Territorial development and Community currencies: symbolic meanings in Brazilian Community development banks Marie Fare, Carlos de Freitas and Camille Meyer 6-17
19 2015 Complementary Currencies for Sustainable Development in Kenya: The Case of the Bangla-Pesa William O. Ruddick, Morgan A. Richards, and Jem Bendell 18-30
19 2015 Virtual social currencies for unemployed people: social networks and job market access Maëlle Della Peruta and Dominique Torre 31-41
19 2015 Price Setting Mechanisms in Complementary Currencies in Argentina’s Redes de Trueque Georgina M. Gómez 42-52
19 2015 What kinds of volunteer become more motivated by community currency? Influence of perceptions of reward on motivation Ken-ichi Kurita, Masayuki Yoshida and Yoshihisa Miyazaki 53-61
19 2015 Building trust: exploring the role of community exchange and reputation Robin Krabbe 62-71
19 2015 Community Currency in Korea: How do we envision community currency? Joonmo Kang and Baeg Eui Hong 72-80
19 2015 Beyond growth: problematic relationships between the financial crisis, care and public economies, and alternative currencies Maurizio Ruzzene 81-93
19 2015 French complementary currency systems: exploring contributions to promote social currency in Argentina Ricardo Orzi 94-105
19 2015 The Financing of Complementary Currencies: Problems and Perspectives Rolf. F. H. Schroeder 106-113
19 2015 On Velocity in Several Complementary Currencies Josep Lluis de la Rosa and James Stodder 114-127
19 2015 Prices in Parallel Currency: the case of the Exchange Network of Chania, Crete Irene Sotiropoulou 128-136
19 2015 Cooperation and Intertrade between Community Currencies: From fundamentals to rule-making and clearing systems, including a case study of the Zurich Area, Switzerland Jens Martignoni 137-151
19 2015 Validating and improving the Impact of Complementary Currency Systems through impact assessment frameworks Christophe Place and Leander Bindewald 152-164
19 2015 It’s the motivation, stupid! The influence of motivation of secondary currency initiators on the currencies’ success Lukas Fesenfeld, Jan Stuckatz, Iona Summerson, Thomas Kiesgen, Daniela Ruß, Maja Klimaschewski 165-172
Volume 19 (Winter 2015, Issue 1)
19 2015 The Community Currency Scene in Spain Hughes, Neil 1-11
19 2015 How Green is Our Money? Mapping the Relationship between Monetary Systems and the Environment Brooks, Skylar 12-18
19 2015 2015 Book reviews
Volume 18 (Summer 2014)
18 2014 A Counter-Hegemonic Discourse of Economic Difference: A Critical Discourse Analysis of Timebanking in the United States Rice, Julie Steinkopf 1-10
18 2014 First Micro-Simulation Model of a LEDDA Community Currency-Dollar Economy Boik, John 11-29
18 2014 2014 Book reviews
Volume 17 (Summer 2013)
17 2013 Improving Complementary Currency Interchange By A Regional Hub-Solution Huber, L. and Martignoni, J. 1-7
17 2013 Bitcoin: The Political ‘Virtual’ Of An Intangible Material Currency Jansen, M. 8-18
17 2013 Taking Moneyless Exchange to Scale: Measuring and Maintaining the Health of a Credit Clearing System Greco, T. 19-25
17 2013 Is A Global Virtual Currency With 
Universal Acceptance Feasible? Jegatheesan, S., Ahmed, S., Chamney, A. and El-Kadri, N. 26-44
17 2013 Complementary currency and its impact on the economy Groppa, Octavio 45-57
17 2013 2013 Book reviews
Volume 16 (Summer 2012, Issue 2)
16 2012 A New Approach to a Typology of Complementary Currencies Martignoni, J. 1-17
16 2012 Key Indicators of Time Bank Participation: Using Transaction Data for Evaluation Collom, E. 18-29
16 2012 Japan’s Fureai Kippu Time-banking in 
Elderly Care: Origins, Development, 
Challenges and Impact Hayashi, M. 30-44
16 2012 Are Alternative Currencies A Substitute Or A Complement To Fiat Money? Evidence From Cross-Country Data Pfajfar, D., Sgro, G. and Wagner, W. 45-56
16 2012 2012 Book reviews
 Volume 16 (Winter 2012, Issue 1)
16D 2012 Editorial 2012 (Volume 16 Special Issue): Thirty Years of Community and Complementary Currencies  J. Blanc 1-4
16D 2012 Democratizing Money: Historical Role of the U.S. Federal Government in Currency Creation Wainwright, S. 5-13
16D 2012 Selling Scrip to America: Ideology, Self-help and the experiments of the Great Depression Elvins, S. 14-21
16D 2012 Tax Anticipation Scrip as a Form of Local Currency in the USA during the 1930s Gatch, L. 22-35
16D 2012 Community Currencies as Integrative Communication Media for Evolutionist Institutional Design Nishibe, M. 36-48
16D 2012 A comparison in transaction efficiency between dispersive and concentrated money creation Kichiji, N. and Nishibe, M. 49-57
16D 2012 Does Demurrage matter for Complementary Currencies? Godschalk, H. 58-69
16D 2012 Economic Activity Without Official Currency in Greece: The * Hypothesis Sotiropoulou, I. 70-79
16D 2012 Sustainability of the Argentine Complementary Currency Systems Gómez, G. 80-90
16D 2012 Moral Money: A Case Study at the Chiemgauer Regional money Thiel, C. 91-96
16D 2012 Solidarity economy between a focus on the local and a global view Volkmann, K. 97-105
16D 2012 Stroud Pound: A Local Currency to Map, Measure and Strengthen the Local Economy Scott Cato, M. and Suárez, M. 106-115
16D 2012 Local Exchange Trading Systems in Central European post-Communist Countries Jelínek, P., Szalay, Zs. and Konečný, A. 116-123
16D 2012 An Empirical Study of the Social Effects of Community Currencies Nakazato, H. and Hiramoto, T. 124-135
16D 2012 CC Coupon Circulation and Shopkeepers’ Behaviour: A Case Study of the City of Musashino, Tokyo, Japan Kurita, K., Miyazaki, Y. and Nishibe, M. 136-145
16D 2012 A two-marketplace and two-currency system: A view on business-to-business barter exchange Young, M. 146-155
16D 2012 Emerging trend of complementary currencies systems as policy instruments for environmental purposes: changes ahead? Joachain, H. and Klopfert, F. 156-168
16D 2012 Trophic currencies: ecosystem modeling and resilient economies Brakken, M., Austin, P., Rearick, S. and Bindewald, L. 169-175
Volume 15 (Summer 2011, Issue 2)
15A 2011 Eco-Pesa: An Evaluation of a Complementary Currency Programme in Kenya’s Informal Settlements Ruddick, W.O. 1-12
15A 2011 Time is of the Essence: The Challenges and Achievements of a Swedish Time Banking Initiative Molnar, S. 13-22
15A 2011 A Theoretical Framework for Shared Monetary Governance Jones, S.D. 23-30
15A 2011 Community Currency Research: An analysis of the literature Schroeder, R.F.H., Miyazaki, Y., Fare, M. 31-41
15A 2011 Status: The Burlington Currency Project: A History Kirschner, A. 42-55
15A 2011 Money and Participatory Governance: A review of the literature Jones, S.D. 56-68
15A 2011 Downtown Dollars: Community currency or discount coupon? Kaplan, N. 69-77
15A 2011 Communal Currencies In Venezuela Dittmer, K. 78-83
15A 2011 Calgary Dollars: Economic and Social Capital Benefits Wheatley, G., Younie, C., Alaijlan, H. and McFarlane, E. 84-89
15A 2011 2011 Book Reviews
 Volume 15 (Winter 2011, Issue 1)
15D Editorial 2011 (Volume 15 Special Issue): The State of the Art Longhurst, N. and Seyfang, G. 1
15D 2011 Preface 2011 (Volume 15 Special Issue): Yet Another Moment of Truth Boyle, D. 1-3
15D 2011 Classifying ‘CCs’: Community, Complementary and Local Currencies Blanc, J. 4-10
15D 2011 On The Money: Getting the message out Rogers, J. 11-16
15D 2011 Complementary Currencies in Germany: The Regiogeld System Thiel, C. 17-21
15D 2011 What Have Complementary Currencies in Japan Really Achieved? Hirota, Y. 22-26
15D 2011 Alternative Exchange Systems in Contemporary Greece Sotiropoulou, I. 27-31
15D 2011 Complementary Currencies for Sustainable Local Economies in Central America Brenes, E. 32-38
15D 2011 Community Currency Progress in Latin America (Banco Palmas) Place, C. 39-46
15D 2011 L’Accorderie and Le Jardin Universel (JEU) in Quebec Lizotte, M. and Duhaime, G. 47-51
15D 2011 Kékfrank to Boost the Resilience of Locality Szalay, Z.E. 52-56
15D 2011 The SOL: A Complementary Currency for the Social Economy and Sustainable Development Fare, M. 57-60
15D 2011 Building Local Resilience: The emergence of the UK Transition Currencies Ryan-Collins, J. 61-67
15D 2011 A Report from Vermont (USA): The VBSR Marketplace Kirschner, A. 68-72
15D 2011 Time-Banking in Social Housing Naughton – Doe, R. 73-76
15D 2011 The Colours of Money: Artmoney as Community Currency Banks, M. 77-81
15D 2011 Complementary Currency Open Source Software in 2010 Slater, M. 82-87
Volume 14
14A 2010 Editorial 2010 (volume 14) Longhurst, N.
14A 2010 Learning To Exchange Time: Benefits and Obstacles To Time Banking Ozanne, L. 1-16
14A 2010 The Case for Monetary Diversity Mouatt, S. 17-28
14A 2010 Stamp Scrip in the Great Depression: Lessons for Community Currency for Today? Warner, J. 29-45
14B 2010 Research Briefing: Grassroots Innovations and Complementary Currencies Seyfang, G. and Longhurst, N. 1-2
Volume 13
13 2009 13 (2009), editorial Williams, C.C. 1-2
13 2009 Time for Each Other: Working Towards a Complementary Currency Model to Serve the Anti-Poverty Policies of the Municipality of Landgraaf, the Netherlands van Kuik, M. 3-18
13 2009 Change Takes Time: Exploring Structural and Developmental Issues of Time Banking Gregory, L. 19-32
13 2009 Stiansen Endre and Guyer Jane I. (1999) Credit, Currencies and Culture: African Financial Institutions in Historical Perspective Ngoumou, T. 33-35
13 2009 The Impact of Community Currency Systems on Gender Relations in Rural Northeast Thailand: A Hybrid Social Audit-Gender Analysis Approach Walker, D. 36-60
13 2009 Chiemgauer Regiomoney: Theory and Practice of a Local Currency Gelleri, C. 61-75
13 2009 Social Economy and Central Banks: Legal and Regulatory Issues on Social Currencies (Social Money) as a Public Policy Instrument Consistent with Monetary Policy Freire, M.V. 76-94
13 2009 Josh Ryan-Collins, Lucie Stephens and Anna Coote (2008) The New Wealth Of Time: How Time Banking Helps People Build Public Services Devitt, K. 95-97
13 2009 David Akin and Joel Robbins (eds) (1999) Money and Modernity: State and Local Currencies in Melanesia de Meulenaere, S. 95-98
13 2009 Gill Seyfang (2009) The New Economics of Sustainable Consumption: Seeds of Change Graugaard, J. 99-101
Volume 12
12 2008 Editorial 2008 (volume 12) Seyfang, G. 1
12 2008 2007 Yearly Report of the Worldwide Database of Complementary Currency Systems de Meulenaere, S. 2-19
12 2008 Peter North (2006) Alternative Currency Movements as a Challenge to Globalisation? A Case Study of Manchester’s Local Currency Networks. Boulianne, M. 20-23
12 2008 Community Currency: An Approach To Economic Sustainability In Our Local Bioregion Soder, N. T. 24-52
12 2008 An Economic Analysis Of Contemporary Local Currencies In The United States Krohn, G.A. and Snyder, A.M. 53-68
12 2008 Helmut Creutz (2008) Le Syndrome De La Monnaie. Vers Une Economie De Marche Sans Crise. Blanc, J. 69-73
Volume 11
11 2007 Editorial 2007 (volume 11) Williams, C.C. 0
11 2007 Local Currency Loans and Grants: Comparative Case Studies of Ithaca HOURS and Calgary Dollars Mascornick, J. 1-22
11 2007 2006 Yearly Report of the Worldwide Database of Complementary Currency Systems de Meulenaere, S. 23-35
11 2007 The Motivations, Engagement, Satisfaction, Outcomes, and Demographics of Time Bank Participants: Survey Findings from a U.S. System Collum, E. 36-83
11 2007 Towards A Knowledge Economy Carrillo, C.I., de la Rosa, J.L. and Canals, A. 84-97
11 2007 Exploring Gender Divisions In A Community Currency System: The Case Of The Barter Network In Argentina Pereyra, F. 98-111
Volume 10
10 2006 Editorial 2006 (volume 10) Williams, C.C. 0
10 2006 Complementary Currency Innovation: Self-guarantee in peer-to-peer currencies Ardon, M. and Lietaer, B. 1-7
10 2006 2005 Yearly Report of the Worldwide Database of Complementary Currency Systems de Meulenaere, S. 8-17
10 2006 A Proposal for a Brazilian Education Complementary Currency Lietaer, B. 18-23
10 2006 Community Exchange and Trading Systems in Germany Schroeder, R.F.H. 24-42
10 2006 Argentina in the Red: What can the UK’s Regional Economies Learn from the Argentinian Banking Crisis? Cato, M.S. 43-55
10 2006 Establishing Time Based Community Currencies: Means of Measure, Exchange and Storage Serra, S. H. 56-67
Volume 9
9 2005 Has the Time for Electronic Currency Come? Imagining an E-Currency Future for Money Sharma, A.
9 2005 Helping Everyone Have PLENTY: Addressing Distribution and Circulation in an HOURS-based Local Currency System Lepofsky, J. and Bates, L.K.
9 2005 Editorial 2005 (volume 9) Williams, C.C.
Volume 8
8 2004 Editorial 2004 (volume 8) Williams, C.C. 0
8 2004 The Social and Cultural Capital of Community Currency, An Ithaca HOURS Case Study Survey Jacob, J., Brinkerhoff, M., Jovic, E. and Wheatley, G.
8 2004 HOUR Town – Paul Glover and the Genesis and Evolution of Ithaca HOURS Jacob, J., Brinkerhoff, M., Jovic, E. and Wheatley, G.
8 2004 Kaláka and Kör: Green money and mutual aid in Hungary North, P.
8 2004 Complementary Currencies in Japan Today: History, Originality and Relevance Lietaer, B.
Volume 7
7 2003 Editorial 2003 (volume 7) Williams, C.C.
7 2003 A Currency for Change? one activist’s personal view of LETS Taylor, G.
Volume 6
6 2002 Editorial 2002 (volume 6) Williams, C.C.
6 2002 Tackling social exclusion with community currencies: learning from LETS to Time Banks Seyfang G.
6 2002 Talente Tauschring Hannover (TTH): Experiences of a German LETS and the relevance of theoretical reflections Schroeder, R.F.
6 2002 Development at the Conjuncture of Feminism and Associationalism Powell, J.
Volume 5
5 2001 Editorial 2001 (volume 5) Williams, C.C.
5 2001 Mutual Credit Systems and the Commons Problem: Why Community Currency Systems such as LETS Need Not Collapse Under Opportunistic Behaviour Schraven, J.
5 2001 The Role of the Third Sector in Paving a ‘Third Way’: Some Lessons From Local Exchange and Trading Schemes (LETS) in the United Kingdom Williams, C.C., Aldridge, T., Lee, R., Leyshon, A., Thrift, N. and Tooke, J.
5 2001 On LETS and Time Dollars Cahn, E.
5 2001 Commodity Currencies for Fair and Stable International Exchange Rates Plinge, J.W.
Volume 4
4 2000 Editorial 2000 (volume 4) Willams, C.C.
4 2000 LETS and Benefit Claiming in the UK: Results of a Pilot Project Fitzpatrick, T.
4 2000 Towards an Economy in the Hands of the People: The Tianguis Tlaloc Local Currency System in Mexico Lopezllera-Mendez, L. and de Meulenaere, S.
4 2000 Reinventing the Market: Alternative Currencies and Community Development in Argentina de Meulenaere, S.
4 2000 Community-based LETSystems in Australia: Localised Barter in a Sophisticated Western Economy Liesch, P.W. and Birch, D.
4 2000 Why Do People Join Local Exchange Trading Systems? Caldwell, C.
Volume 3
3 1999 Editorial 1999 (volume 3) Irwin, G.
3 1999 Nouvelles formes de sociabilités ou les limites d’une utopie politique Laacher, S.
3 1999 Cercles d’échanges, cercles vertueux de la solidarité Le cas de l’Allemagne Pierret, D.
Volume 2
2 1998 Editorial 1998 (volume 2) Jackson, M.
2 1998 Evaluating LETS as a Means of Tackling Social Exclusion and Cohesion Willams, C.C., Aldridge, T., Lee, R., Leyshon, A., Thrift, N. and Tooke, J.
2 1998 Green Domination In Norwegian LETSystems: Catalyst For Growth Or Constraint On Development? Gran, E.
2 1998 Local Exchange and Trading Systems (LETS) in Australia: a new tool for community development? Ingleby, J.
2 1998 Corporate Barter and Economic Stabilisation Stodder, J.
Volume 1
1 1997 Editorial 1997 (volume 1) Williams, C.C. 0
1 1997 Local Exchange and Trading Systems (LETS) in Australia: a new tool for community development? Williams, C.C. 1-11
1 1997 The problem of over-accumulation: examining and theorising the structural form of LETS Jackson, M. 1-9
1 1997 Examining Local Currency Systems: a social audit approach Seyfang, G. 1-29
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