PAPERS AND PUBLICATIONS
All papers in pdf format

Last revised: March 28, 2008

Decision Making under Ambiguity

Decision-Making in the Context of Imprecise Probabilistic Beliefs, March 2008.

The following is an older version which contains material on how to cast Machina's notion of 'almost objective uncertainty' in terms of imprecise probabilistic beliefs
Imprecise Probabilistic Beliefs, October 2003

Bernoulli Without Bayes: A Theory of Utility-Sophisticated Preferences under Ambiguity, April 2007.

This is a substantially revised version of the May 2006 version, with new material on the MEU and Variational Preference models as special cases.

Is it Possible to Define Subjective Probabilities in Purely Behavioral Terms? A Comment on Epstein-Zhang (2001), April 2006

Ambiguity in the Context of Probabilistic Beliefs, November 2001.

The paper contains material on revealed probabilistic beliefs and alternative definitions of ambiguity-aversion that has not yet been separately written up.

A Theory of Rational Decision Under Ignorance, Theory and Decision 48 (2000), 205-240; pdf

Capacities and Probabilistic Beliefs: A Precarious Coexistence, Mathematical Social Sciences 38 (1999), 197-213; pdf.

Foundations for the Theory of Rational Choice with Vague Priors, in: J. Geweke (Ed.): Decision Making under Uncertainty - New Models and Empirical Findings. Kluwer, Dordrecht (1992), pp. 231-242; pdf.

Self-Control

Self-Control Through Second-Order Preferences, September 2006
Preference for Flexibility in a Savage Framework, Econometrica 67:11 (1999), 101-119; pdf
- Flexibility and Freedom of Choice in a Savage Framework, December 1996
  Compared to the published version, this contains substantial additional material on uniqueness of the representation, freedom of choice, and an incentive compatibility justification for subjective state representations.

Judgment Aggregation and Strategy-Proof Social Choice

Justifiable Group Choice (with Clemens Puppe), May 2007 -- NEW
Consistent Judgement Aggregation: The Truth-Functional Case (with Clemens Puppe), May 2007
(forthcoming in: Social Choice and Welfare)
The (Im)Possibility of a Paretian Rational, November 2005
The Impossibility of a Paretian Rational: A Bayesian Perspective, Economics Letters 96, 45-50; pdf
Oligarchies in Judgment Aggregation: A Characterization, September 2006
Abstract Arrovian Aggregation (with Clemens Puppe), September 2007

The Structure of Strategy-Proof Social Choice. Part I: General characterization and possibility results on median spaces (with Clemens Puppe), Journal of Economic Theory 135, 269-305; pdf
The Structure of Strategy-Proof Social Choice. Part II: Non-Dictatorship, Anonymity and Neutrality (with Clemens Puppe)
- an earlier paper with some additional material:
  Strategyproof Social Choice on Single-Peaked Domains:
  Possibility, Impossibility and the Space Between (with Clemens Puppe),
  March 2002
Efficient and Strategy-Proof Voting Rules: A Characterization (with Clemens Puppe), Games and Economic Behavior 59, 132-153; pdf
Arrow's Theorem as a Corollary, Economics Letters 80 (2003), 379-382; pdf.

A new survey on judgment aggregation by C. List and C. Puppe can be found here

Diversity

Diversity (with Clemens Puppe), July 2007 -- NEW;
to appear in: The Handbook of Rational and Social Choice, ed. by P. Anand, P. Pattanaik and C. Puppe, Oxford University Press; pdf.
- The last section of is survey contains some novel ideas relating the notions of absolute diversity (as developed in "A Theory of Diversity" and "Diversity and the Geometry of Similarity" and relative diversity as captured by generalized measures of entropy.
Diversity and the Geometry of Similarity, July 1999
- This is a companion paper to ''A Theory of Diversity". I hope to be able to produce an updated, fully self-contained version in the near future.
Modeling Cost Complementarities in Terms of Joint Production (with Clemens Puppe), Journal of Economic Theory 118 (2004), 252-264;
- more extensive working paper: Modeling Economies of Scope in Terms of Joint Production, September 2002
Modeling Phylogenetic Diversity (with Clemens Puppe), Resource and Energy Economics 26 (2004), 205-235; pdf
Diversity and Dissimilarity in Lines and Hierarchies (with Clemens Puppe), Mathematical Social Sciences 45 (2003), 167-183; pdf.
A Theory of Diversity (with Clemens Puppe), Econometrica 70 (2002), 1155-1198; pfd.

Common Priors for Likeminded Agents, August 2003
The Veil of Public Ignorance, Journal of Economic Theory 119 (2004), 247-270; pdf.
- earlier and more extensive version:
  Utilitarian Group Choice under Incomplete Information, January 2002
Common Priors under Incomplete Information: A Unification, Economic Theory 18 (2001), 535-553; pdf
How to Make Sense of the Common Prior Assumption under Incomplete Information (with Giacomo Bonanno), International Journal of Game Theory 28 (1999), 409-434; pdf.
Intersubjective Consistency of Knowledge and Belief (with Giacomo Bonanno), in: M. Faller et al. (ed.), Formalizing the Dynamics of Information, CSLI Publications, Stanford, CA (2000); pdf.
Varieties of Interpersonal Compatibility of Beliefs (with Giacomo Bonanno), in: J. Gerbrandy et al., JFAK. Essays Dedicated to Johan van Benthem on the Occasion of his 50th Birthday, Amsterdam University Press (1999); pdf .

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