Lie to me: Detecting Managerial Evasiveness in Earnings Calls via Conversational Audio Encoders
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Computer Science > Machine Learning
Title:Lie to me: Detecting Managerial Evasiveness in Earnings Calls via Conversational Audio Encoders
Abstract:Earnings conference calls are a primary channel through which managers disclose information under analyst scrutiny. Prior work has linked vocal and lexical cues to future adverse outcomes, but often pools features over an entire call and underuses the interactive structure of Q&A. We propose a two-branch late-fusion framework for detecting managerial evasiveness as a predictor of extrinsic SEC events (primarily late filings): (i) an LLM-as-a-judge that maps Q&A text to an interpretable call-level vector X_text via a structured binary rubric, and (ii) a frozen conversational encoder whose temporal hidden states are read by a DeepVoice-style sequential reader to produce an audio representation h. Late fusion of (X_text, h) yields a call-level risk score p. On n=1,039 calls (212 late filings) with firm-grouped 5-fold CV, fusion reaches AUROC approx. 0.89, versus 0.55 for the text judge and 0.71 for duration alone. These results show that conversational audio dynamics encode managerial evasiveness beyond lexical content and call length, yielding a stronger early-warning signal of adverse SEC outcomes.
| Subjects: | Machine Learning (cs.LG); Computational Engineering, Finance, and Science (cs.CE) |
| Cite as: | arXiv:2609.13893 [cs.LG] |
| (or arXiv:2609.13893v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2609.13893
arXiv-issued DOI via DataCite (pending registration)
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