A Computational Model of Trust and Rumor

Michael J. Prietula and Kathleen M. Carley

In this paper we explored the impact of various Agent trust models and propensity to lie, within the context of a rumor augmented communication structure and environmental volatility. Results demonstrate main effects of volatility, and lying on increasing organizational cost, and a main effect of rumor on decreasing organizational cost. Interactions revealed that rumor attenuates effect of liars. Some effects altered as group size increased.

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