2021 iRisk Working Paper 2 / March 2021
Risk, ambiguity, and the value of diversification
by Loic BERGER & Louis EECKHOUDT
Topics: Diversification, ambiguity aversion, model uncertainty, hedging
2021 iRisk Working Paper 1 / March 2021
What is Partial Ambiguity?
by Loic BERGER
Topics: Ambiguity, model uncertainty, smooth ambiguity aversion, Ellsberg paradox
2020 iRisk Working Paper 2 / November 2020
Rational policymaking during a pandemic
by Loic BERGER, Nicolas BERGER, Valentina BOSETTI, Itzhak GILBOA, Lars Peter HANSEN, Christopher JARVIS, Massimo MARINACCI & Richard D. Smith
Topics: model uncertainty, ambiguity, robustness, decision rules
2020 iRisk Working Paper 1 / November 2020
Three layers of uncertainty and the role of model misspecification
by Ilke AYDOGAN, Loic BERGER, Valentina BOSETTI & Ning LIU
Topics: Ambiguity aversion, model uncertainty, model misspecification, non-expected
utility, reduction of compound lotteries