FEEM working papers "Note di lavoro"
2018.002
Date: 22/1/2018

The Strength of Weak Leaders - An Experiment on Social Influence and Social Learning in Teams


Authors:
Berno Büchel (University of Fribourg); Stefan Klößner (Saardland University); Martin Lochmüller (University of Hamburg); Heiko Rauhut (University of Zurich)
JEL n.: D83, D85, C91
Keywords: Social Networks, Social Influence, Confidence, Overconfidence, Bayesian Updating, Naïve Learning, Sortition, Wisdom of Crowds

Abstract

We investigate how the selection process of a leader affects team performance with respect to social learning. We use a lab experiment in which an incentivized guessing task is repeated in a star network with the leader at the center. Leader selection is either based on competence, on self-confidence, or made at random. Teams with random leaders do not underperform compared to competent leaders, and they even outperform teams whose leader is selected based on self-confidence. The reason is that random leaders are better able to use the knowledge within the team. We can show that it is the declaration of the selection procedure which makes non-random leaders overly influential. We set up a horse race between several rational and naïve models of social learning to investigate the micro-level mechanisms. We find that overconfidence and conservatism contribute to the fact that overly influential leaders mislead their team.

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Suggested citation: Büchel, B., S. Klößner, M. Lochmüller, H. Rauhut, (2018), 'The Strength of Weak Leaders - An Experiment on Social Influence and Social Learning in Teams', Nota di Lavoro 2.2018, Milano, Italy: Fondazione Eni Enrico Mattei

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