The optimal duration of a supply contract balances the costs of re-selecting a supplier against the costs of being matched to an inefficient supplier when the contract lasts too long. I develop a structural model of contract duration that captures this tradeoff and provide an empirical strategy...

Fragmentation of production into more and more complex supply chains is a prominent feature of globalisation. It implies that transaction costs as part of total costs of ownership carry a large weight in procurement decisions. An analysis of the various types of transaction costs is also...