Long-term supply relationships are of crucial importance in industrial organization. The present (r)evolution in information and communication technology such as e-business is proof of the increasingly dynamic environment in which firms operate. As a result, firms have to focus on their core competencies and obtain complementary ones from partner firms to be able to survive. This can hardly be realized without having long-term supply relationships. In the past decades, research on strategic alliances -the class of interfirm arrangements to which long-term supply relationships belong...