Theorists and policy analysts have convincingly argued that greater trust makes a more efficient society by eliminating costly contracts or expensive reputations. Concurrently, experiments suggest that reciprocity is a potent substitute for law when compliance with contracts is imperfectly...

Theorists and policy analysts have convincingly argued that greater trust makes a more efficient society by eliminating costly contracts or expensive reputations. Concurrently, experiments suggest that reciprocity is a potent substitute for law when compliance with contracts is imperfectly...

Traditionally, competing retailers offer price-matching guarantees (PMGs) whereby they promise their consumers that any lower price offered elsewhere within a specific period will be matched. Recently, a growing number of suppliers have opened their direct sales channel and started to match...