2023 iRisk Working Paper 2 / March 2023
More Ambiguous or More Complex? An Investigation of Individual Preferences under Model Uncertainty
by Ilke AYDOGAN, Loic BERGER & Vincent THÉROUDE
Topics: Ambiguity, model uncertainty, complexity, Ellsberg paradox
2023 iRisk Working Paper 1 / January 2023
Unraveling ambiguity aversion
by Ilke AYDOGAN, Loic BERGER & Valentina BOSETTI
Topics: Ambiguity aversion, reduction of compound risk, model uncertainty, complexity
2022 iRisk Working Paper 1 / November 2022
Three layers of uncertainty
by Ilke AYDOGAN, Loic BERGER, Valentina BOSETTI & Ning LIU
Topics: Ambiguity aversion, model uncertainty, model misspecification, non-expected
utility, reduction of compound lotteries
2021 iRisk Working Paper 3 / November 2021
Nudging Student Participation in Online Evaluations of Teaching: Evidence from a Field Experiment
by Susanne NECKERMANN, Uyanga TURMUNKH, Dennie VAN DOLDER & Tong V. WANG
Topics: nudges, social norms, descriptive norm, commitment, student evaluation of teaching, participation, response rates, field experiment
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 1 / 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