Start Your Own Currency - "In the Catalonia region of Spain, a restaurant and a community garden are part of an experiment in alternative cash--they are accepting a home-grown currency called the Eco as well as the Euro." [viz. gated article (Google link), cf. The Wörgl Experiment]
The Price of Altruism - George Price, a (troubled) father of group selection thru his discovery of the eponymous Price Equation, has a rather interesting biography... [more inside]
The Birth of Sharing Law and the Rise of Co-ops - "A new sharing economy is emerging — but how does it fit within our legal system? Time for a whole new field of cooperation law." (via wc)
What if our economy was not built on competition? Nobel Prize winner Elinor Ostrom talks about her work on cooperation in economics. [more inside]
evolution of cooperation apparently the evolution of cooperative behavior has been something of a rough spot for evolution researchers. Some guys (Mikhail Burtsev & Peter Turchin) developed a computer simulation that helps to explain how the essential selfishness of survival is not mutually exclusive to altruism and cooperation as well as how these behaviors can arise naturally. (further reading from google: ###)
Anger plays a key role in human cooperation. And not only that, anger is altruistic! The link covers a behavioral experiment probing individual versus group benefits, freeloading, punishment and altruism.