2 papers
econ.TH2026
The Set of Correlated Equilibrium Payoffs for a Fixed Information Structure Need Not Be Closed
Michael Greinecker, Patrick Lahr, Christoph Schwerdtfeger
Aumann (1974) showed that an atomless public randomization device makes the feasible- and equilibrium-payoff sets of a game with a fixed information structure convex, and asked whe…
econ.TH2024
Extreme Points in Multi-Dimensional Screening
Patrick Lahr, Axel Niemeyer
We characterize the extreme points of the set of incentive-compatible mechanisms for screening problems with linear utility. Our framework subsumes problems with and without transf…