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- Title
Equivalent comparisons of information channels.
- Authors
Nakata, Hiroyuki
- Abstract
This article constructs a static model of information acquisition when the agent does not know exactly what pieces of information he is missing. A representation of preferences over information channels and menus of lotteries is shown by adapting the model of unforeseen contingencies by Dekel et al. (Econometrica 69:891-934, 2001; Econometrica 75:591-600, 2007), which is an extension of Kreps (Econometrica 47:565-576, 1979; Economic analysis of markets and games: essays in honor of Frank Hahn, 1992). Also, characterisation of informativeness of an information channel analogous to the one by Blackwell (Ann Math Stud 24:265-272, 1953) is examined in conjunction with the preference for flexibility by applying the structure of Shapley value.
- Subjects
INFORMATION resources; LOTTERIES; MATHEMATICAL models; ANALOG data; CONTINGENCY (Philosophy); ECONOMIC research
- Publication
Theory & Decision, 2011, Vol 71, Issue 4, p559
- ISSN
0040-5833
- Publication type
Article
- DOI
10.1007/s11238-009-9180-0