ussen2015-07-15T20:33:24-04:00
Time banks, farmer-to-buyer sales groups and alternative currencies springing up but expansion has not been steady or easy
A bartering bazaar in Volos, where tem currency coupons are exchanged for products or services. Photograph: AFP/Getty Images
Emma Graham-Harrison in Athens
Friday 17 July 2015 07.36 EDT Last...
