Reciprocity in the Third Millennium: Money or the structure of socio-economic evolution - Book I : Loss of Values

A fundamental and interesting approach of the structure of the economic evolution and the impact of money on people's behavior

What do shells, 3 tons stones, paper, gold and digital bits have in common?
They all are, have been or will be currencies.
What does money, debt or a gift have in common?
They are all, explicitly or implicitly, a form of credit.
What do families, communities and economic entities have in common?
They are all based upon some type of natural or coercive trust.

Since antiquit...