Author

Ming-Yang Chen

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#artificial intelligence Preprint Oct 2026

Agent Policy-Value Audit: Separating Transition Composition from Event Selection in Financial LLM Agents

Financial LLM agents are often evaluated by comparing their end-to-end returns with those of a baseline and testing the paired difference against zero. This measures whether deploying the agent changes realized performance, but it does not isolate event-selection skill. An agent that frequently changes positions from f...

Ming-Yang Chen, Yi-Da Xu, Hui-Wen Chen et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Measuring Behavioural Signatures of Large Language Models through Psychometric Profiling

Large language models (LLMs) increasingly mediate human decisions and communication, yet their behavioural regularities remain difficult to characterize systematically. We develop a cross-linguistic psychometric profiling framework and evaluate nine LLMs using seven psychological instruments, with five repeated adminis...

Yu Sha, Jun-Qi Tao, Di-Xin Zhou et al. · 0 citations