所属栏目:新金融/金融科技

摘要

We document “foreign bias” in AI financial predictions, reversing the classic home bias. U.S.-based ChatGPT is systematically more optimistic than China-based DeepSeek about Chinese firms—in price predictions and directional forecasts—yet significantly less accurate. Evidence supports an information-availability mechanism: bias is strongest when U.S. media coverage of Chinese firms is limited and attenuates for cross-listed firms. Crucially, injecting Chinese news eliminates the prediction gap. Both models produce similar forecasts for U.S. firms, consistent with broader worldwide coverage. LLMs trained in different information environments can create divergent signals, with implications for investors and policymakers as AI increasingly intermediates global markets.
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Sean Cao; Charles C.Y. Wang; Xiang Yi When LLMs Go Abroad: Foreign Bias in AI Financial Predictions (2026年05月31日) https://www.cfrn.com.cn/lw/16713.html

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