Cognitive mechanisms for human flocking dynamics

Seth Frey and Robert L. Goldstone
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Robert L. Goldstone: Indiana University

Journal of Computational Social Science, 2018, vol. 1, issue 2, No 7, 349-375

Abstract: Abstract Low-level “adaptive” and higher-level “sophisticated” human reasoning processes have been proposed to play opposing roles in the emergence of unpredictable collective behaviors such as crowd panics, traffic jams, and market bubbles. While adaptive processes are widely recognized drivers of emergent social complexity, complementary theories of sophistication predict that incentives, education, and other inducements to rationality will suppress it. We show in a series of multiplayer laboratory experiments that, rather than suppressing complex social dynamics, sophisticated reasoning processes can drive them. Our experiments elicit an endogenous collective behavior and show that it is driven by the human ability to recursively anticipate the reasoning of others. We identify this behavior, “sophisticated flocking”, across three games, the Beauty Contest and the “Mod Game” and “Runway Game”. In supporting our argument, we also present evidence for mental models and social norms constraining how players express their higher-level reasoning abilities. By implicating sophisticated recursive reasoning in the kind of complex dynamic that it has been predicted to suppress, we support interdisciplinary perspectives that emergent complexity is typical of even the most intelligent populations and carefully designed social systems.

Keywords: Complex game dynamics; Human collective behavior; Behavioral game theory; Cognitive game theory; Iterated reasoning; Adaptive learning (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s42001-018-0017-x

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