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Segmenting the Wine Market Based on Price: Hedonic Regression when Different Prices mean Different Products


  • Marco Costanigro
  • Jill J. McCluskey
  • Ron C. Mittelhammer


Many economists have estimated hedonic price functions for red and white wine. However, estimating a single hedonic price function imposes the assumption that the implicit prices of the attributes are the same for any red or white wine. We argue that even within these two categories, wines are differentiated, and disregarding this heterogeneity causes an aggregation bias in the estimated implicit prices. By estimating hedonic functions specific to price ranges, we show that the wine market is segmented into several product classes or market segments. We find that a model accounting for the existence of wine classes has greater ability to explain the variability in the data and produces more accurate and interpretable results regarding the implicit prices of the attributes.

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  • Marco Costanigro & Jill J. McCluskey & Ron C. Mittelhammer, 2007. "Segmenting the Wine Market Based on Price: Hedonic Regression when Different Prices mean Different Products," Journal of Agricultural Economics, Wiley Blackwell, vol. 58(3), pages 454-466, September.
  • Handle: RePEc:bla:jageco:v:58:y:2007:i:3:p:454-466
    DOI: 10.1111/j.1477-9552.2007.00118.x

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    References listed on IDEAS

    1. Jack Triplett, 2004. "Handbook on Hedonic Indexes and Quality Adjustments in Price Indexes: Special Application to Information Technology Products," OECD Science, Technology and Industry Working Papers 2004/9, OECD Publishing.
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