We prove by construction that ex post incentive compatible mechanisms exist in a private goods setting with multi-dimensional signals and interdependent values. The mechanism shares features with the generalized Vickrey auction of one-dimensional signal models. The construction implies that for environments with private goods, informational externalities (i.e., interdependent values) are compatible with ex post equilibrium in the presence of multi-dimensional signals.
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Article provided by Society for Economic Theory in its journal Theoretical Economics.
Volume (Year): 1 (2006) Issue (Month): 3 (September) Pages: 369-393 Download reference. The following formats are available: HTML
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