How valuable are long-term supplier relationships? To address this question, this paper explores relationships between U.S. importers and their suppliers abroad. We first establish several facts: almost half of U.S. imports are in relationships three years or older, relationship survival and...

How valuable are long-term supplier relationships? To address this question, this paper explores relationships between U.S. importers and their suppliers abroad. We first establish several facts: almost half of U.S. imports are in relationships three years or older, relationship survival and...

This paper quantifies the value of importer-exporter relationships. We show that almost 80 percent of U.S. imports take place in pre-existing relationships, with sizable heterogeneity across countries, and show that traded quantities and survival increase as relationships age. We develop a...

How valuable are long-term supplier relationships? To address this question, this paper explores relationships between U.S. importers and their suppliers abroad. We establish several facts: almost half of U.S. imports involve relationships three years or older, relationship survival and traded...