Group size as selection device

Economic Theory 2026 Open access

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Authors: Francesco De Sinopoli, Leo Ferraris, Claudia Meroni
DOI: 10.1007/s00199-026-01714-3
Cited by: 0
References: 37

Abstract

Abstract In a coordination game with multiple Pareto ordered equilibria and population uncertainty, we show that group size helps select a unique equilibrium, for reasons reminiscent of the global games literature. A critical mass phenomenon emerges at equilibrium. Group size has an emboldening effect on participants.

Fields of Study & Subjects

Opinion Dynamics and Social Influence

Publication details

Journal / source
Economic Theory
Publisher
Springer Science and Business Media LLC
Volume
82
Issue
2
Pages
717–739
Publication date
2 May 2026
Language
EN