Ten Isn’t Large! Group Size and Coordination in a Large-Scale Experiment Staff working paper 2020-30 Jasmina Arifovic, Cars Hommes, Anita Kopányi-Peuker, Isabelle Salle Economic activities typically involve coordination among a large number of agents. These agents have to anticipate what other agents think before making their own decisions. Content Type(s): Staff research, Staff working papers JEL Code(s): C, C9, C92, D, D8, D83, D9, D90, G, G2, G20 Research Theme(s): Financial markets and funds management, Market functioning, Financial system, Financial stability and systemic risk