Brief Presentation: The reputational dynamics influence our prosocial behavior in real life in many ways (Simpson & Willer 2008), but the question is: how they affect our virtual life? Duradoni et al., (2017) found a complex relationship regulating the impact of reputation on prosocial behaviour in virtual environments. From one side, they discovered that just the existence of a reputational system enhances prosocial behaviour; from the other side they found that reputation can be biased by a sort of “inertia”. Despite the literature sheds light on these phenomenon, today a punctual modeling of its size effect is still missing. In order to fill this gap we recruited a sample of 444 high school students through a voluntary census and, after a psychological and socio-demographic assessment, they played an ad hoc modified version of Ultimatum Game. We discovered that when reputation is switched off the donation is higher and when the donor has a good reputation the acceptance rate is generally greater. Furthermore, the feedback coherence is influenced by reputation; sometimes the receivers are willing to like lower donations from high reputation donors and dislike higher donations from low reputation donors. Finally, the donation’s average increases in a non linear way due to reputation. Noteworthy, when the reputation is off people tend to donate like the receiver has good reputation.
Sketch Presentation: Online Ultimatum Game: the impact of “reputation”Online Ultimatum Game: the impact of “reputation”
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