The article "Coping with Ignorance: Unforeseen Contingencies and Non-Additive Uncertainty" has been published on Economic Theory (17:247--276, March 2001), the only definitive repository of the content that has been certified and accepted after peer review. Copyright and all rights therein are retained by Springer-Verlag. This material may not be copied or reposted without explicit permission. An official copy may be downloaded from the journal's website by clicking here.
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