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A Maximum Entropy Estimate of Uncertainty about a Wine Rating

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  • Bodington, Jeff

Abstract

Much research shows that the ratings that judges assign to wines are uncertain and an acute difficulty in ratings-related research, and in calculating consensus among judges, is that each rating is one observation drawn from a unique and latent distribution that is wine- and judge-specific. A simple maximum entropy estimator is proposed that yields a maximum-entropy probability distribution for sample sizes of none, one, and more. A test of that estimator yields results that are consistent with the results of experiments in which blind replicates are embedded within flights of wines evaluated by trained and tested judges

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  • Bodington, Jeff, 2021. "A Maximum Entropy Estimate of Uncertainty about a Wine Rating," Working Papers 321847, American Association of Wine Economists.
    • Handle: RePEc:ags:aawewp:321847
    DOI: 10.22004/ag.econ.321847
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    References listed on IDEAS

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    1. Capehart, Kevin W., 2019. "Does Blind Tasting Work? Another Look," Journal of Wine Economics, Cambridge University Press, vol. 14(3), pages 309-320, August.
    2. Bodington, Jeffrey C., 2017. "The Distribution of Ratings Assigned to Blind Replicates," Journal of Wine Economics, Cambridge University Press, vol. 12(4), pages 363-369, November.
    3. Golan, Amos & Judge, George G. & Miller, Douglas, 1996. "Maximum Entropy Econometrics," Staff General Research Papers Archive 1488, Iowa State University, Department of Economics.
    4. Gergaud, Olivier & Ginsburgh, Victor & Moreno-Ternero, Juan D., 2021. "Wine Ratings: Seeking a Consensus among Tasters via Normalization, Approval, and Aggregation," Journal of Wine Economics, Cambridge University Press, vol. 16(3), pages 321-342, August.
    5. Ashton, Robert H., 2014. "“Nothing Good Ever Came from New Jersey”: Expectations and the Sensory Perception of Wines," Journal of Wine Economics, Cambridge University Press, vol. 9(3), pages 304-319, December.
    6. Ashton, Robert H., 2013. "Is There Consensus Among Wine Quality Ratings of Prominent Critics? An Empirical Analysis of Red Bordeaux, 2004–2010," Journal of Wine Economics, Cambridge University Press, vol. 8(2), pages 225-234, November.
    7. Corsi, Alessandro & Ashenfelter, Orley, 2019. "Predicting Italian Wine Quality from Weather Data and Expert Ratings," Journal of Wine Economics, Cambridge University Press, vol. 14(3), pages 234-251, August.
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    Keywords

    Research Methods/ Statistical Methods; Agribusiness;

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