Eric Beinhocker has written a book entitled “The Origin of Wealth” in which he charts the relationship between trust and economic performance (p.433)(based on year 2000 data).

Improving the level of trust is a necessary part of building peace. Keeping appointments and promises, repaying debts, acknowledging past mistakes, recompense, selflessly motivated offers of help or assistance — perhaps things like this can help to start heal the wounds.