Biased Auctioneers
Mathieu Aubry,
Roman Kräussl,
Gustavo Manso and
Christophe Spaenjers
Journal of Finance, 2023, vol. 78, issue 2, 795-833
Abstract:
We construct a neural network algorithm that generates price predictions for art at auction, relying on both visual and nonvisual object characteristics. We find that higher automated valuations relative to auction house presale estimates are associated with substantially higher price‐to‐estimate ratios and lower buy‐in rates, pointing to estimates' informational inefficiency. The relative contribution of machine learning is higher for artists with less dispersed and lower average prices. Furthermore, we show that auctioneers' prediction errors are persistent both at the artist and at the auction house level, and hence directly predictable themselves using information on past errors.
Date: 2023
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https://doi.org/10.1111/jofi.13203
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Working Paper: Biased auctioneers (2023)
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Persistent link: https://EconPapers.repec.org/RePEc:bla:jfinan:v:78:y:2023:i:2:p:795-833
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