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Games 2018, 9(4), 99;

This Is How We Do It: How Social Norms and Social Identity Shape Decision Making under Uncertainty

Department of Law and Economics, LUMSA University, 00193 Rome, Italy
Received: 31 August 2018 / Revised: 23 November 2018 / Accepted: 24 November 2018 / Published: 9 December 2018
(This article belongs to the Special Issue Social Norms and Games)
PDF [442 KB, uploaded 19 December 2018]


The current study aims to investigate how the presence of social norms defines belief formation on future changes in social identity (i.e., diachronic identity), and how those beliefs affect individual decisions under uncertainty. The paper proposes a theoretical model in which individuals have preferences over their own attributes and over specific information structures. The individual preferences are motivated by the presence of social norms. The norms, while establishing the socially acceptable attributes of an individual identity, also drive individuals’ preferences for information acquisition or avoidance. The model incorporates social norms as empirical expectations and provides a prior dependent theory that allows for prior-dependent information attitudes. Firstly, the model implies that decisions are mitigated by socially grounded behavioral and cognitive biases; and secondly, that it can create an incentive to avoid information, even when the latter is useful, free, and independent of strategic considerations. These biases bring out individual trade-offs between the accuracy of decision making and self-image motivated by social conformity. The two behavioral motivations are represented through a game of an intra-personal model of choice under uncertainty in which self-deception and memory manipulation mechanisms are used to overcome the individuals’ internal trade-off. View Full-Text
Keywords: identity; social norms; gender norms; decision-making under uncertainty identity; social norms; gender norms; decision-making under uncertainty
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lipari, F. This Is How We Do It: How Social Norms and Social Identity Shape Decision Making under Uncertainty. Games 2018, 9, 99.

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