4 papers
Risk Aversion Reversals
Po Hyun Sung, Ben Wincelberg
Standard stochastic choice models used to estimate risk aversion can lead to risk-aversion reversals, where a more risk-averse individual chooses a riskier lottery more frequently…
A Separability Foundation for Random Coefficients Logit
Fedor Sandomirskiy, Po Hyun Sung, Omer Tamuz +1
We study stochastic choice across decision problems, each represented as a menu of action labels paired with observable outcome vectors. We propose a consistency condition for beha…
Delegation in Strategic Environments and Equilibrium Uniqueness
Fedor Sandomirskiy, Ben Wincelberg
We ask when a normal-form game yields a single equilibrium prediction, even if players can coordinate by delegating play to an intermediary such as a platform or a cartel. Delegati…
Monotonicity and Bracketing in Games
Fedor Sandomirskiy, Po Hyun Sung, Omer Tamuz +1
We study solution concepts for normal-form games. We obtain a characterization of Nash equilibria and logit quantal response equilibria, as well as generalizations capturing non-ex…