From Heard to Lived Opinions: Simulating Opinion Dynamics with Grounded LLM Agents in Economic Environments
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866910079388745728 |
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| author | Hashimoto, Ryuji Kaneko, Masahiro Takata, Ryosuke Takayanagi, Takehiro Izumi, Kiyoshi |
| author_facet | Hashimoto, Ryuji Kaneko, Masahiro Takata, Ryosuke Takayanagi, Takehiro Izumi, Kiyoshi |
| contents | Opinion dynamics (OD) studies how individual opinions evolve and generate collective patterns such as consensus and polarization. While recent work explores OD using populations of LLM-based agents focusing on opinion exchange, it typically does not incorporate individuals' lived experiences, such as economic outcomes of past decisions, which play a critical role in shaping opinions. We propose a novel OD simulation framework that grounds LLM-based agents in an economic environment, allowing them to act and receive environmental feedback. Our simulations exhibit coherent OD at both individual and population levels: individual opinions follow structured trajectories shaped by economic experiences, with adverse conditions inducing opinion rigidity, while at the population level, collective opinions co-move with economic conditions, with inequality amplifying polarization and price instability driving larger distributional shifts. These results highlight the importance of grounding LLM-based agents in environments to capture collective OD. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2603_26701 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | From Heard to Lived Opinions: Simulating Opinion Dynamics with Grounded LLM Agents in Economic Environments Hashimoto, Ryuji Kaneko, Masahiro Takata, Ryosuke Takayanagi, Takehiro Izumi, Kiyoshi Physics and Society Computers and Society Opinion dynamics (OD) studies how individual opinions evolve and generate collective patterns such as consensus and polarization. While recent work explores OD using populations of LLM-based agents focusing on opinion exchange, it typically does not incorporate individuals' lived experiences, such as economic outcomes of past decisions, which play a critical role in shaping opinions. We propose a novel OD simulation framework that grounds LLM-based agents in an economic environment, allowing them to act and receive environmental feedback. Our simulations exhibit coherent OD at both individual and population levels: individual opinions follow structured trajectories shaped by economic experiences, with adverse conditions inducing opinion rigidity, while at the population level, collective opinions co-move with economic conditions, with inequality amplifying polarization and price instability driving larger distributional shifts. These results highlight the importance of grounding LLM-based agents in environments to capture collective OD. |
| title | From Heard to Lived Opinions: Simulating Opinion Dynamics with Grounded LLM Agents in Economic Environments |
| topic | Physics and Society Computers and Society |
| url | https://arxiv.org/abs/2603.26701 |