Reasoning about others' reasoning

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• dc.contributor.author Alaoui, Larbi
• dc.contributor.author Janezic, Katharina A.
• dc.contributor.author Penta, Antonio
• dc.date.accessioned 2020-09-29T06:20:37Z
• dc.date.available 2020-09-29T06:20:37Z
• dc.date.issued 2020
• dc.description.abstract Recent experiments suggest that level-k behavior is often driven by subjects' beliefs, rather than their binding cognitive bounds. But the extent to which this is true in general is not completely understood, mainly because disentangling ‘cognitive’ and ‘behavioral’ levels is challenging experimentally and theoretically. In this paper we provide a simple experimental design strategy (the ‘tutorial method’) to disentangle the two concepts purely based on subjects' choices. We also provide a ‘replacement method’ to assess whether the increased sophistication observed when stakes are higher is due to an increase in subjects' own understanding or to their beliefs over others' increased incentives to reason. We find evidence that, in some of our treatments, the cognitive bound is indeed binding for a large fraction of subjects. Furthermore, a significant fraction of subjects do take into account others' incentives to reason. Our findings also suggest that, in general, level-k behavior should not be taken as driven either by cognitive limits alone or beliefs alone. Rather, there is an interaction between own cognitive bound and reasoning about the opponent's reasoning process. These findings provide support to more subtle implications of the EDR model (Alaoui and Penta, 2016a) than those which were previously tested, and show that the EDR framework is a useful tool for analyzing and understanding the complex interaction of cognitive abilities, incentives, and strategic reasoning. From a broader methodological viewpoint, the tutorial and replacement methods have broader applicability, and can be used to study the beliefs-cognition dichotomy and higher order beliefs effects in non level-k settings as well.en
• dc.description.sponsorship The authors acknowledge financial support from the Spanish Ministerio de Economía y Competitividad, through the Severo Ochoa Programme for Centres of Excellence in R&D (CEX2019-000915-S). Larbi Alaoui acknowledges financial support from the Ministerio de Economía y Competitividad (grant number PGC2018-098949-B-I00) and the Ministerio de Ciencia e Innovación (Beca Ramon y Cajal RYC-2016-21127).en
• dc.format.mimetype application/pdf
• dc.identifier.citation Alaoui L, Janezic KA, Penta A. Reasoning about others' reasoning. J Econ Theory. 2020;189:105091. DOI: 10.1016/j.jet.2020.105091
• dc.identifier.doi http://dx.doi.org/10.1016/j.jet.2020.105091
• dc.identifier.issn 0022-0531
• dc.identifier.uri http://hdl.handle.net/10230/45348
• dc.language.iso eng
• dc.publisher Elsevier
• dc.relation.ispartof Journal of Economic Theory. 2020;189:105091.
• dc.relation.projectID info:eu-repo/grant/Agreement/ES/2PE/PGC2018-098949-B-I00
• dc.rights © 2020 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
• dc.subject.keyword Cognitive bounden
• dc.subject.keyword Depth of reasoningen
• dc.subject.keyword Higher-order beliefsen
• dc.subject.keyword Level-k reasoningen
• dc.subject.keyword Replacement methoden
• dc.subject.keyword Tutorial methoden
• dc.title Reasoning about others' reasoning
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/acceptedVersion