JE* on Ambiguity and Strategic Interactions

May 24, 2019

Maison des Sciences de l'Homme-Alpes, Grenoble, France

Morning

8:45 Welcome

Session 1: Games with Ambiguity: Fundamentals

Chair: Klaus Ritzberger

8:55 – 9:20 Simon Grant, “Bayes and Hurwicz without Bernoulli: a model of generalized certainty equivalents" [slides]

9:20 – 9:45 Jürgen Eichberger, "Games in Context: Equilibrium under Ambiguity for Belief Functions"

9:45 – 10:10 Adam Dominiak, “Epistemic Foundation of Equilibria under Ambiguity”

10:10 – 10:35 Karl Schlag, "Compromise, Don't Optimise: A Prior-Free Alternative to Bayesian Nash Equilibrium"

10:35 – 11:00 David Kelsey, "Tort Liability and Unawareness"

11:00 – 11:20 Coffee break

Session 2: Ambiguity and Strategic Interactions

Chair: Sylvain Béal

11:20 – 11:40 Meglena Jeleva, "Optimists, pessimists, and the precautionary principle"

11:40 – 12:00 Raphael Giraud, "Confidence, Optimism, and Litigation: A Litigation Model under Ambiguity"

12:12 – 12:20 Chris Shannon, "Uncertainty and Robustness of Surplus Extraction"

12:20 – 12:40 Christian Kellner, "Robust Bidding and Revenue in Descending Price Auctions"

12:40 – 13:00 Damian Damianov, "Auctions for Charity: The Curse of the Familiar"

13:00 – 14:00 Lunch

Afternoon

Session 3: Decisions under Ambiguity: Theory and Experiments

Chair: Michèle Cohen

14:00 – 14:20 Hans-Jürgen Pirner, "Decision Theory with a Hilbert Space as Possibility Space"

14:20 – 14:40 Dmitri Vinogradov, "Signaling probabilities in ambiguity: who reacts to vague news?"

14:40 – 15:00 Jörg Oechssler, "Hedging, Ambiguity, and the Reversal of Order Axiom"

15:00 – 15:20 Christopher Kops, "The Independence Axiom and its Weakenings"

15:20– 15:40 Hannes Rau, "Does mutual knowledge of preferences lead to more Nash equilibrium play? Experimental evidence"

15:40 – 16:00 Coffee break

Session 4: Ambiguity and Financial Markets

Chair: Ani Guerdjikova

16:00 – 16:20 Jean-Marc Tallon, "Trading ambiguity: a tale of two heterogeneities"

16:20 – 16:40 Jan Werner, "Speculative Bubbles, Heterogeneous Beliefs, and Learning"

16:40 – 17:00 Gerd Weinrich, "Financial Conditions and Supply Decisions when Firms are risk averse"

17:00 – 17:20 Martin Summer, "Systematic Systemic Stress Tests"

17:20 – 17:40 Alain Chateauneuf, "Ambiguity aversion and anticomonotonicity"

19:30 Social Dinner