2009
DOI: 10.1016/j.geb.2008.09.027
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Informational externalities and emergence of consensus

Abstract: We study a general model of dynamic games with purely informational externalities. We prove that eventually all motives for experimentation disappear, and provide the exact rate at which experimentation decays. We also provide tight conditions under which players eventually reach a consensus. These results imply extensions of many known results in the literature of social learning and getting to agreement.

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Cited by 99 publications
(95 citation statements)
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“…Rosenberg, Solan and Vieille [25] consider a model with fully rational agents -one per nodemaximizing the discounted sum of payoffs. In this setting strategic behavior arises, and so they study the properties of the model's Nash equilibria.…”
Section: Discussion Of Our Modelmentioning
confidence: 99%
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“…Rosenberg, Solan and Vieille [25] consider a model with fully rational agents -one per nodemaximizing the discounted sum of payoffs. In this setting strategic behavior arises, and so they study the properties of the model's Nash equilibria.…”
Section: Discussion Of Our Modelmentioning
confidence: 99%
“…To the best of our knowledge, the literature (e.g., [13,25,22]) does not contain an explicit description of an algorithm to compute the actions chosen by agents in our model. However, it seems that a dynamic programming algorithm that performs this computation is well known.…”
Section: Efficient Computationmentioning
confidence: 99%
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“…The first of these question is answered independently by Rosenberg et al (2009) in a setting where agents select utility maximizing actions in each period. My approach is somewhat different.…”
Section: Introductionmentioning
confidence: 99%