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MODELING HUMAN BEHAVIOR IN COMPLEX SOCIAL AND SOCIO-TECHNICAL SYSTEMS

Modeling diffusion of innovation and social diffusion

 

We studied social diffusion and diffusion of innovation. In particular, we focused on the important social-psychological role of sensitivity to dynamic norms (i.e., emerging trends at the population level), and we investigated it through experimental studies and analytically-tractable models. Then, we use our model to investigate different intervention policies to facilitate social diffusion:

 

For more details on diffusion of social norms and conventions, we suggest to read the following book chapters:

We developed a co-evolutionary models to study the interwined evolution of opinions and actions and elucidate important aspects of social systems, such as the emergence of polarization and unpopular but supported norms:​

We used opinion dynamics to model consumers behavior in energy networks:

  • Singh V.K., Zino L., Muinos G., Scherpen J.M.A., and Cucuzzella M., An opinion dynamics approach to model and analyze the behavior of consumers in an energy network. To appear in the Proceedings of the 2025 European Control Conference, 2025.

 

We developed a game-theoretic model with enviromental feedback to study human decision-making concerning enviromental issues:

 

We developed an opinion-dynamics model to study collective risk perception

 

We developed an epidemic-like model to study diffusion of innovation on networks:

  • Fagnani F. and Zino L., Diffusion of innovation in large scale graphs: a mean field analysis. Proceedings of the 22nd International Symposium on Mathematical Theory of Networks and Systems, Jul 2016, Minneapolis MN, US

  • Fagnani F., and Zino L., Diffusion of innovation in large scale graphs. IEEE Transactions on Network Science and Engineering, 4(2), 100–111, 2017

We developed a drift-diffusion model for competing information diffusion on networks, accounting for evidence accumulation:

We expanded classical opinion dynamics models beyond the limitations of pairwise and single-hop interactions:

  • Raineri R., Zino L., and Proskurnikov A.V., FJ-MM: Friedkin-Johnsen Opinion Dynamics Model with Memory and Multi-Hop Social Influence. To appear in the Proceedings of the 2025 European Control Conference, 2025.

 

We collaborated with researchers and scientists from different fields to develop models of human behavior in different applied contexts, from robot motion to consumers' behavior and pro-enviromantal change:​

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