Powell, J.

network member economy participant income market alternative currency system money capitalism barter research community buenos aires exchange level participation argentina study development price rt members factor rt participants principle bueno group support state trueque service country appendix sector result benefit relation value example employment london impact organization barter network question number importance capital skill respondent trading growth production figure women questionnaire government analysis organizer society co-ordinator length decision gender press control middle argentine attitude section solidarity initiative difference class william region behaviour people world