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econ.TH2026
Revealing information -- or not -- in a social network of traders
Patrick Allmis, Paolo Pin, Fernando Vega Redondo
We build upon a simple micro-founded model of asset trading proposed by Kyle (1985) to study under what conditions a trader who is privately informed of the future return of the as…
econ.TH2026
A Model of Polarization on Social Media
Patrick Allmis, Luca Paolo Merlino
We develop a model of social media in which users produce different types of content and choose whom to follow. Even when abstracting from algorithmic bias, linking costs shape net…
econ.TH2024
Cohesion, Ideology, and Tolerance
Patrick Allmis
Agents with different ideologies often form alliances to achieve their goals. Paradoxically, ideologically similar agents are often opponents. In this paper, ideologically heteroge…