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Peer influence breaks ergodicity in an opinion dynamics model with external information
Federica De Domenico, Fabio Caccioli, Giacomo Livan
We present a stochastic imitation-based model of opinion dynamics in which agents balance social conformity with responsiveness to an external signal. The model captures how popula…
Upstreamness and downstreamness in input-output analysis from local and aggregate information
Silvia Bartolucci, Fabio Caccioli, Francesco Caravelli +1
Ranking sectors and countries within global value chains is of paramount importance to estimate risks and forecast growth in large economies. However, this task is often non-trivia…
Imitation vs serendipity in ranking dynamics
Federica De Domenico, Fabio Caccioli, Giacomo Livan +2
Participants in socio-economic systems are often ranked based on their performance. Rankings conveniently reduce the complexity of such systems to ordered lists. Yet, it has been s…