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Improving Experts' Wine Quality Judgments: Two Heads Are Better than One

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  • Ashton, Robert H.

Abstract

This paper reports an analysis of data from the “Judgment of Paris,†the 1976 blind tasting of California and French wines that revolutionized the wine world. Using both empirical and analytical methods, I demonstrate that the wine quality judgments of the renowned experts who participated in the Paris tasting would have been improved simply by averaging the quality ratings of two or more of the judges. Moreover, I explore both how many of the Paris judges should be included in the average and which ones they should be. The results have implications for the practical issue of choosing judges to include in tasting panels that award prizes or provide expert advice to consumers, as well as for better understanding the variability in the price-quality association across hedonic wine pricing studies. (JEL Classification: C93)

Suggested Citation

  • Ashton, Robert H., 2011. "Improving Experts' Wine Quality Judgments: Two Heads Are Better than One," Journal of Wine Economics, Cambridge University Press, vol. 6(2), pages 160-178, October.
    • Handle: RePEc:cup:jwecon:v:6:y:2011:i:02:p:160-178_00
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    Cited by:

    1. Jean-Marie Cardebat & Paola Corsinovi & Davide Gaeta, 2018. "Do Top 100 wine lists provide consumers with better information?," Economics Bulletin, AccessEcon, vol. 38(2), pages 983-994.
    2. Cacchiarelli, Luca & Carbone, Anna & Esti, Marco & Laureti, Tiziana & Sorrentino, Alessandro, 2015. "Assessing the Value of Quality in the Italian Wine Market," 2015 Conference, August 9-14, 2015, Milan, Italy 211379, International Association of Agricultural Economists.
    3. Victor Ginsburgh, 2016. "On Judging Art and Wine," Working Papers ECARES ECARES 2016-21, ULB -- Universite Libre de Bruxelles.
    4. Cacchiarelli, Luca & Carbone, Anna & Esti, Marco & Laureti, Tiziana & Sorrentino, Alessandro, 2015. "Wine quality and prices: experts vs market," 143rd Joint EAAE/AAEA Seminar, March 25-27, 2015, Naples, Italy 202750, European Association of Agricultural Economists.
    5. Edward Oczkowski, 2016. "Analysing Firm-level Price Effects for Differentiated Products: The Case of Australian Wine Producers," Australian Economic Papers, Wiley Blackwell, vol. 55(1), pages 43-62, March.

    More about this item

    JEL classification:

    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments

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