The power of diversity over large solution spaces / Marco LiCalzi in Management science, Vol. 58 N° 7 (Juillet 2012)  

Public ISBD [article]  inManagement science > Vol. 58 N° 7 (Juillet 2012) . - pp.1408-1421 Titre : The power of diversity over large solution spaces Type de document : texte imprimé Auteurs : Marco LiCalzi, Auteur ; Oktay Surucu, Auteur Année de publication : 2012 Article en page(s) : pp.1408-1421 Note générale : Management Langues : Anglais (eng) Mots-clés : Problem solving Bounded rationality Theory of teams Groupthink Résumé : We consider a team of agents with limited problem-solving ability facing a disjunctive task over a large solution space. We provide sufficient conditions for the following four statements. First, two heads are better than one: a team of two agents will solve the problem even if neither agent alone would be able to. Second, teaming up does not guarantee success: if the agents are not sufficiently creative, even a team of arbitrary size may fail to solve the problem. Third, defendit numerus: when the agent's problem-solving ability is adversely affected by the complexity of the solution space, the solution of the problem requires only a mild increase in the size of the team. Fourth, groupthink impairs the power of diversity: if agents' abilities are positively correlated, a larger team is necessary to solve the problem. ISSN : 0025-1909 En ligne : http://mansci.journal.informs.org/content/58/7/1408.short [article] The power of diversity over large solution spaces [texte imprimé] / Marco LiCalzi, Auteur ; Oktay Surucu, Auteur . - 2012 . - pp.1408-1421. Management Langues : Anglais (eng) in Management science > Vol. 58 N° 7 (Juillet 2012) . - pp.1408-1421 Mots-clés : Problem solving Bounded rationality Theory of teams Groupthink Résumé : We consider a team of agents with limited problem-solving ability facing a disjunctive task over a large solution space. We provide sufficient conditions for the following four statements. First, two heads are better than one: a team of two agents will solve the problem even if neither agent alone would be able to. Second, teaming up does not guarantee success: if the agents are not sufficiently creative, even a team of arbitrary size may fail to solve the problem. Third, defendit numerus: when the agent's problem-solving ability is adversely affected by the complexity of the solution space, the solution of the problem requires only a mild increase in the size of the team. Fourth, groupthink impairs the power of diversity: if agents' abilities are positively correlated, a larger team is necessary to solve the problem. ISSN : 0025-1909 En ligne : http://mansci.journal.informs.org/content/58/7/1408.short

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