The quantum-like approach to modeling classical rationality violations: an introduction

Franco Vaio ()
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Franco Vaio: Università di Bergamo

Mind & Society: Cognitive Studies in Economics and Social Sciences, 2019, vol. 18, issue 1, No 8, 105-123

Abstract: Abstract Psychological empirical research has shown that human choice behavior often violates the assumptions of classical rational choice models. In the last few decades a new research field has emerged which aims to account for the observed choice behavior by resorting to the concepts and mathematical techniques developed in the realm of quantum physics, such as the “mental state vector” defined in a Hilbert space and the interference of quantum probability. This article is a short introduction to the quantum-like approach to the description of cognitive processes. I argue that the mathematical apparatus of quantum physics can account for the observed violations of classical logic and can help develop effective models of psychological and cognitive phenomena. This is illustrated through the so-called conjunction and disjunction fallacies by providing an alternative interpretation of the results of Linda test and Hawaii test. No-fallacy configurations are made possible in the quantum-like approach by sequential modeling of mental states transitions.

Keywords: Rationality violation; Quantum cognition; Quantum-like modeling; Interference of probability (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s11299-019-00212-5

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