Data and Code for: Ten isn’t large! Group size and coordination in a large-scale experiment

Principal Investigator(s): View help for Principal Investigator(s) Jasmina Arifovic, Simon Fraser University; Cars Hommes, Bank of Canada, University of Amsterdam and Tinbergen Institute; Anita Kopanyi-Peuker, Radboud Universiteit Nijmegen; Isabellle Salle, University of Ottawa

Version: View help for Version V1

Name	File Type	Size	Last Modified
Data_deposit			01/13/2022 06:01:PM

Project Citation:

Arifovic, Jasmina, Hommes, Cars, Kopanyi-Peuker, Anita , and Salle, Isabellle. Data and Code for: Ten isn’t large! Group size and coordination in a large-scale experiment. Nashville, TN: American Economic Association [publisher], 2023. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2023-09-30. https://doi.org/10.3886/E146241V1

Project Description

Summary: We provide experimental evidence on coordination within large groups that could proxy the atomistic nature of real-world markets. We use a bank-run game where the two pure-strategy equilibria can be ranked by payoff and riskdominance and a sequence of public announcements introduces stochastic sunspot equilibria. We find systematic group-size effects that theory fails to predict. When the payoff-dominant strategy is risky enough, the behavior of small groups is uninformative of the behavior in large groups: unlike ‘smaller’ groups of size 10, larger groups exclusively coordinate on the Pareto inferior strategy and never coordinate on sunspots.

Funding Sources: H2020 IBSEN project (662725)

Scope of Project

Subject Terms: Large-scale experiment; Large-scale experiment; Coordination; Group size; Sunspot equilibrium

JEL Classification:
      C92 Design of Experiments: Laboratory, Group Behavior
      D83 Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
      D90 Micro-Based Behavioral Economics: General
      G20 Financial Institutions and Services: General

Geographic Coverage: Spain, Netherlands

Time Period(s): 5/2017 – 10/2017 (when the lab experiment took place)

Collection Date(s): 5/2017 – 10/2017 (when the lab experiment took place)

Universe: Participants to laboratory experiments from the IBSEN pool, persons aged 18 and more.

Methodology

Sampling: We provide and use all the experimental data we collected.

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Published Versions

V1 [2023-09-30]

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