Automated Design of Multistage Mechanisms

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Automated Design of Multistage Mechanisms
Mechanism design is the study of preference aggregation protocols that work well in the face of self-interested agents. We present the first general-purpose techniques for automatically designing multistage mechanisms. These can reduce elicitation burden by only querying agents for information that is relevant given their answers to previous queries. We first show how to turn a given (e.g., automatically designed using constrained optimization techniques) single-stage mechanism into the most efficient corresponding multistage mechanism given a specified elicitation tree. We then present greedy and dynamic programming (DP) algorithms that determine the elicitation tree (optimal in the DP case). Next, we show how the query savings inherent in the multistage model can be used to design the underlying single-stage mechanism to maximally take advantage of this approach. Finally, we present negative results on the design of multistage mechanisms that do not correspond to dominant-strate...
Tuomas Sandholm, Vincent Conitzer, Craig Boutilier
Added 29 Oct 2010
Updated 29 Oct 2010
Type Conference
Year 2007
Authors Tuomas Sandholm, Vincent Conitzer, Craig Boutilier
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