Dunne, Paul E. and Wooldridge, Michael and Laurence, Michael
The Complexity of Contract Negotiation.
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The use of software agents for automatic contract negotiation in e-commerce and e-trading environments has been the focus of considerable recent interest. A widely studied abstract model considers the setting in which a set of agents have some collection of resources shared out between them and attempt to construct a mutually
beneficial optimal reallocation of these by trading resources. The simplest such trades are those in which a single agent transfers exactly one resource to another -- so-called `one-resource-at-a-time' or O-contracts. In this research note we consider the computational complexity of a number of natural decision problems in this setting.
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