The dynamics and evolution of trust in business relationships

► There is a need for more dynamic theories of trust in business relations. ► A process model of dynamic and evolutionary trust in business relations is presented based on complex adaptive systems. ► Psychological, social and economic mechanisms and processes drive trust in business relations over time. ► This dynamic model offers valuable new ways to study the behavior of business relationships and networks. ► This dynamic model offers valuable new ways to develop decision support tools for managers and policy makers.