1. Cristina Bicchieri & Azi Lev-On (2011). Studying the Ethical Implications of E-Trust in the Lab. Ethics and Information Technology 13 (1):5-15.
    The paper presents results of recent laboratory experiments that study if and how computer-mediated communication affects cooperation and trust. It is argued that communication medium does not matter much for trust-building and maintenance, whereas relevant pre-play communication and group size can have a major influence. The implications of the findings for the design of sites that depend on trusting communities are discussed.
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  2. Cristina Bicchieri, Azi Lev-On & Alex Chavez (2010). The Medium or the Message? Communication Relevance and Richness in Trust Games. Synthese 176 (1):125 - 147.
    Subjects communicated prior to playing trust games; the richness of the communication media and the topics of conversation were manipulated. Communication richness failed to produce significant differences in first-mover investments. However, the topics of conversation made a significant difference: the amounts sent were considerably higher in the unrestricted communication conditions than in the restricted communication and no-communication conditions. Most importantly, we find that first-movers' expectations of second-movers' reciprocation are influenced by communication and strongly predict their levels of investment.
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  3. Cristina Bicchieri & Azi Lev-On (2007). Computer-Mediated Communication and Cooperation in Social Dilemmas: An Experimental Analysis. Politics, Philosophy and Economics 6 (2):139-168.
    University of Pennsylvania, USA, el322{at}nyu.edu ' + u + '@' + d + ' '//--> One of the most consistent findings in experimental studies of social dilemmas is the positive influence of face-to-face communication on cooperation. The face-to-face `communication effect' has been recently explained in terms of a `focus theory of norms': successful communication focuses agents on pro-social norms, and induces preferences and expectations conducive to cooperation. 1 Many of the studies that point to a communication effect, however, do not (...)
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