collaborators

12 papers

cs.CL2026

Alignment Makes Language Models Normative, Not Descriptive

Eilam Shapira, Moshe Tennenholtz, Roi Reichart

Post-training alignment optimizes language models to match human preference signals, but this objective is not equivalent to modeling observed human behavior. We compare 120 base-a…

cs.GT2026

Sequential LLM Release Facilitates Manipulation in Regulated Markets

Eilam Shapira, Roi Reichart, Moshe Tennenholtz

AI agents increasingly mediate bargaining, negotiation and persuasion for people and firms. Such markets extend software-mediated commerce, but add a governance problem: independen…

cs.CL2026

GLEE: A Unified Framework and Benchmark for Language-based Economic Environments

Eilam Shapira, Omer Madmon, Itamar Reinman +3

Large Language Models (LLMs) show significant potential in economic and strategic interactions, where communication via natural language is often prevalent. This raises key questio…

cs.GT2025

Optimal Information Design in Sender-Receiver Cheap Talk Interactions

Itai Arieli, Ivan Geffner, Moshe Tennenholtz

This paper considers the dynamics of cheap talk interactions between an oblivious receiver and a sender with different amounts of information. Even though it may seem that having a…

cs.LG2025

Can LLMs Replace Economic Choice Prediction Labs? The Case of Language-based Persuasion Games

Eilam Shapira, Omer Madmon, Roi Reichart +1

Human choice prediction in economic contexts is crucial for applications in marketing, finance, public policy, and more. This task, however, is often constrained by the difficultie…

cs.GT2025

Cooperation Under Network-Constrained Communication

Tommy Mordo, Omer Madmon, Moshe Tennenholtz

In this paper, we study cooperation in distributed games under network-constrained communication. Building on the framework of Monderer and Tennenholtz (1999), we derive a sufficie…