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physics.soc-ph2026
Evolution and determinants of firm-level systemic risk in local production networks
Anna Mancini, Balázs Lengyel, Riccardo Di Clemente +1
Recent crises like the Covid-19 pandemic and geopolitical tensions have exposed vulnerabilities and caused disruptions of supply chains, leading to product shortages, increased cos…
physics.soc-ph2026
Beyond the Wisdom of the Crowd: How Network Topology Distorts Collective Perception
Giovanni Palermo, Vittorio Loreto, Giulio Cimini
Cognitive biases are often attributed to heuristics or limited information. Yet the structure of social networks is a key, often-overlooked source of perceptual bias. When informat…
physics.soc-ph2025
Polarization and echo chambers in Reddit's political discourse
Daniele Cirulli, Antonio Desiderio, Giulio Cimini +1
Political debate nowadays takes place mainly on online social media, with election periods amplifying ideological engagement. Reddit is generally considered more resistant to polar…