even simpler are lending groups where everyone pitches in money and then everyone takes a turn in being able to borrow from the pool. I can't quite recall the n

even simpler are lending groups where everyone pitches in money and then everyone takes a turn in being able to borrow from the pool. I can't quite recall the name of these structures http://en.wikipedia.org/wiki/Rotating_Savings_and_Credit_Association http://en.wikipedia.org/wiki/Rotating_Savings_and_Credit_Ass...