Informational smallness and the scope for limiting information rents
For an incomplete-information model of public-good provision with interim participation constraints, we show that efficient outcomes can be approximated, with approximately full surplus extraction, when there are many agents and each agent is informationally small. The result holds even if agents' payoffs cannot be unambiguously inferred from their beliefs. The contrary result of Neeman [Z. Neeman, The relevance of private information in mechanism design, J. Econ. Theory 117 (2004) 55-77] rests on an implicit uniformity requirement that is incompatible with the notion that agents are informationally small because there are many other agents who have information about them.
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- Aviad Heifetz & Zvika Neeman, 2006.
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"Mechanism Design with Multidimensional, Continuous Types and Interdependent Valuations,"
Working Paper Series
rwp06-028, Harvard University, John F. Kennedy School of Government.
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"The relevance of private information in mechanism design,"
Journal of Economic Theory,
Elsevier, vol. 117(1), pages 55-77, July.
- Neeman, Z., 1998. "The Relevance of Private Infromation in Mechanism Design," Papers 93, Boston University - Department of Economics.
- Zvika Neeman, 1998. "The Relevance of Private Information in Mechanism Design," Papers 0093, Boston University - Industry Studies Programme.
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