The saturation threshold of public opinion: are aggressive media campaigns always effective?

Abstract

An important aspect that must be considered when studying opinion formation phenomena is the different social attitude of the agents taking part in the process. Different kinds of interconnections and of interacting behaviours should be associated to the agents depending on their opinion: radicals tend to self-segregate but, on the other hand, have a stronger capacity to convince neutral agents. Other important questions arise when the official media strongly promotes one position. The different perception that each agent has of the official information can lead, in case of monopolistic and aggressive media, to a reaction effect in the population that starts to create massive antagonist clusters.

arXiv comment4 pages, 1 figure; submitted in a slightly reduced form to ESSA2008 Conference. Last reference updated; minor typos fixed

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