A Model of Competing Narratives

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Tác giả: Kfir Eliaz, Ran Spiegler

Ngôn ngữ: eng

Ký hiệu phân loại: 880.923 Literatures of Hellenic languages Classical Greek literature

Thông tin xuất bản: 2018

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ID: 162372

We formalize the argument that political disagreements can be traced to a "clash of narratives". Drawing on the "Bayesian Networks" literature, we model a narrative as a causal model that maps actions into consequences, weaving a selection of other random variables into the story. An equilibrium is defined as a probability distribution over narrative-policy pairs that maximizes a representative agent's anticipatory utility, capturing the idea that public opinion favors hopeful narratives. Our equilibrium analysis sheds light on the structure of prevailing narratives, the variables they involve, the policies they sustain and their contribution to political polarization.
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