Diffusion of Multiple Information: On Information Resilience and the Power of Segregation

Nicole Tabasso

No 2015.55, Working Papers from Fondazione Eni Enrico Mattei

Abstract: We introduce two pieces of information, denoted memes, into a diffusion process in which memes are transmitted when individuals meet and forgotten at an exogenous rate. At most one meme can be transmitted at a meeting, which introduces opportunity costs in the process. Individuals differ according to which meme they find more interesting, and that is the one they transmit if they face a choice. We find that both memes survive under the same parameter values, and that relative interest is the main determinant in the number of people informed of a meme in the long run. We apply our framework to analyze the impact of segregation and find that segregation leads to polarization. Segregation also reduces the overall number of people informed in the long run. Our final set of results shows that agents are more likely to prefer segregation if their information preferences are more extreme, if they have few social contacts, or if they prefer a meme that is preferred by only a small fraction of the population

Keywords: Social Networks; Information Transmission; Multiple States; Segregation (search for similar items in EconPapers)
JEL-codes: D83 D85 (search for similar items in EconPapers)
Date: 2015-06
New Economics Papers: this item is included in nep-ict and nep-mic
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Related works:
Journal Article: Diffusion of multiple information: On information resilience and the power of segregation (2019)
Working Paper: Diffusion of Multiple Information: On Information Resilience and the Power of Segregation (2015)
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Persistent link: https://EconPapers.repec.org/RePEc:fem:femwpa:2015.55

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