Showing econ.THShow all
2 papers · 1 filter
econ.TH2026
Learning Against Nature: Minimax Regret and the Price of Robustness
Yeon-Koo Che, Longjian Li, Tianling Luo
We study how a decision-maker (DM) learns from data of unknown quality to form robust, ''general-purpose'' posterior beliefs. We develop a framework for robust learning and belief…
econ.TH2022
Ambiguous Cheap Talk
Longjian Li
This paper explores how ambiguity affects communication. We consider a cheap talk model in which the receiver evaluates the sender's message with respect to its worst-case expected…