In Alvin I. Goldman & Dennis Whitcomb (eds.), Episteme. Oxford University Press. pp. 192-213 (2012)

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Abstract
For multiple reasons, deliberating groups often converge on falsehood rather than truth. Individual errors may be amplified rather than cured. Group members may fall victim to a bad cascade, either informational or reputational. Deliberators may emphasize shared information at the expense of uniquely held information. Finally, group polarization may lead even rational people to unjustified extremism. By contrast, prediction markets often produce accurate results, because they create strong incentives for revelation of privately held knowledge and succeed in aggregating widely dispersed information. The success of prediction markets offers a set of lessons for increasing the likelihood that groups can obtain the information that their members have
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DOI 10.3366/epi.2006.3.3.192
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Democracy and Disagreement.Amy Gutmann - 1996 - Belknap Press of Harvard University Press.

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Mandevillian Intelligence.Paul Smart - 2018 - Synthese 195 (9):4169-4200.
The Social Epistemology of Consensus and Dissent.Boaz Miller - 2019 - In David Henderson, Peter Graham, Miranda Fricker & Nikolaj Jang Lee Linding Pedersen (eds.), The Routledge Handbook of Social Epistemology. New York: Routledge. pp. 228-237.

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