2 papers
econ.TH2026
On the Inefficiency of Social Learning
Florian Brandl, Wanying Huang, Atulya Jain
We study whether a social planner can restore efficient learning - defined as a finite expected number of incorrect actions -in the canonical sequential social learning model. For…
econ.TH2025
The Social Learning Barrier
Florian Brandl
We consider long-lived agents who interact repeatedly in a social network. In each period, each agent learns about an unknown state by observing a private signal and her neighbors'…