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Home
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Working Papers
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The Causal Impact of Medals on Wine Producers’ Prices and the Gains From Participating in Contests

Working Paper No. 223

Published: 2018
Category:
Economics

The Causal Impact of Medals on Wine Producers’ Prices and the Gains From Participating in Contests

Emmanuel Paroissien & Michael Visser
Full Text PDF
Abstract
The objective of this paper is threefold. First, we estimate the causal effect of wine medals on pro- ducers’ prices. Second, we calculate the expected profit obtained by producers from participating in competitions. Third, we investigate the efficiency of wine competitions by measuring to what extent the attributed awards are good quality indicators. Our dataset combines information on transactions be- tween wine producers and wholesale traders (these data are registered by a wine broker who acts as a middleman in this market), with the records from eleven important wine competitions. Our identifica- tion strategy exploits a particularity in our data, namely that medals are not only awarded before the transaction dates but sometimes also thereafter. Under weak restrictions, a regression of price on dum- mies indicating past and future medals (plus controls) allows to uncover two interesting features: i) the difference in the respective dummy estimates identifies the causal effect of a medal, ii) the estimate of the future medal coefficient identifies the correlation between unobserved quality and medal. We find a strong medal impact: our preferred estimate indicates that producers of medaled wines can increase their price by 13%. The impact for gold is much larger than for silver and bronze, but we cannot reject that the correlation with quality is the same across the three colors. Only a minority of contests attribute medals that are significantly correlated with quality (primarily the ones founded a long time ago, and whose judges are required to evaluate relatively few wines per day). Our profit calculations show that the incentives to participate in wine contests are high.

Submission

Please send your papers as PDF files to the editor, Victor Ginsburgh, at vginsbur@ulb.ac.be
Papers will be quickly reviewed, prior to potential posting on the website. Decision will be to post or not, possibly with short comments, but without referee reports. The decision will be based primarily on the suitability of the paper’s topic to the aims of the Association.
Such decisions are independent of publication decisions for the Journal of Wine Economics.

Working Paper publication requires that at least one author
is a regular member of AAWE.

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