AI as Decision-Maker: Ethics and Risk Preferences of LLMs

Shumiao Ouyang, Hayong Yun and Xingjian Zheng

Papers from arXiv.org

Abstract: Large Language Models (LLMs) exhibit surprisingly diverse risk preferences when acting as AI decision makers, a crucial characteristic whose origins remain poorly understood despite their expanding economic roles. We analyze 50 LLMs using behavioral tasks, finding stable but diverse risk profiles. Alignment tuning for harmlessness, helpfulness, and honesty significantly increases risk aversion, causally increasing risk aversion confirmed via comparative difference analysis: a ten percent ethics increase cuts risk appetite two to eight percent. This induced caution persists against prompts and affects economic forecasts. Alignment enhances safety but may also suppress valuable risk taking, revealing a tradeoff risking suboptimal economic outcomes. With AI models becoming more powerful and influential in economic decisions while alignment grows increasingly critical, our empirical framework serves as an adaptable and enduring benchmark to track risk preferences and monitor this crucial tension between ethical alignment and economically valuable risk-taking.

Date: 2024-06, Revised 2025-06
New Economics Papers: this item is included in nep-ain, nep-cmp, nep-rmg and nep-upt
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Citations: View citations in EconPapers (4)

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