"In a world of imperfect information, reputations often guide the sequential decisions to trust and to reward trust. We …

. We define trust between two agents as the maximum amount that one can borrow from the other, and derive a simple reduced … form expression for trust as a function of the social network. We show that trust is higher in more connected and more … homogenous societies, and relate our trust measure to commonly used network statistics. Our model predicts that dense networks …