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Autoren: 
Charness, Gary
Feri, Francesco
Meléndez-Jiménez, Miguel A.
Sutter, Matthias
Datum: 
2019
Reihe/Nr.: 
IZA Discussion Papers 12347
Zusammenfassung: 
The effectiveness of social interaction depends strongly on an ability to coordinate actions efficiently. In large networks, such coordination may be very difficult to achieve and may depend on the communication technology and the network structure. We examine how pre-play communication and clustering within networks affect coordination in a challenging experimental game on eight-person networks. Free-form chat is enormously effective in achieving the nonequilibrium efficient outcome in our game, but restricted communication (where subjects can only indicate their intended action) is almost entirely ineffective. We can rationalize this result with a novel model about the credibility of cheap-talk messages. This credibility is much larger with freeform message communication than with restricted communication. We are the first to model this credibility and show, both theoretically and experimentally, an interaction effect of network structure and communication technologies. We also provide a model of message diffusion, which indeed predicts that diffusion will be more rapid without clustering and is consistent with our data.
Schlagwörter: 
networks
clustering
communication
credibility
cheap talk
experiment
JEL: 
C71
C91
D03
D85
Dokumentart: 
Working Paper

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