Modeling the evolution of drinking behavior: A Statistical Physics perspective

Nuno Crokidakis and Lucas Sigaud

Physica A: Statistical Mechanics and its Applications, 2021, vol. 570, issue C

Abstract: In this work we study a simple compartmental model for drinking behavior evolution. The population is divided in 3 compartments regarding their alcohol consumption, namely Susceptible individuals S (nonconsumers), Moderate drinkers M and Risk drinkers R. The transitions among those states are ruled by probabilities. Despite the simplicity of the model, we observed the occurrence of two distinct nonequilibrium phase transitions to absorbing states. One of these states is composed only by Susceptible individuals S, with no drinkers (M=R=0). On the other hand, the other absorbing state is composed only by Risk drinkers R (S=M=0). Between these two steady states, we have the coexistence of the three subpopulations S, M and R. Comparison with abusive alcohol consumption data for Brazil shows a good agreement between the model’s results and the database.

Keywords: Dynamics of social systems; Alcoholism model; Collective phenomena; Nonequilibrium phase transitions; Absorbing states (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:570:y:2021:i:c:s0378437121000868

DOI: 10.1016/j.physa.2021.125814

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