Reduced form evidence on belief updating under asymmetric information—consumers’ response to wine expert opinions

Céline Bonnet, James Hilger and Sofia Villas-Boas

European Review of Agricultural Economics, vol. 47, issue 5, 1668-1696

Abstract: We estimate the effect of quality labels on purchases through a retail field experiment. Utilising product-level panel scanner and product characteristic data for both labelled and unlabelled wines we estimate the average and heterogeneous effect on purchases. Consistent with earlier work, we find an average effect that is positively correlated with scores. We advance the consumer belief and product information literature on two fronts. First, higher scores matter more for lower priced products. Second, spillover effects impact sales of untreated wines; these effects can be positive or negative and are impacted by the average score and label converge within brand.

Keywords: field experiment; labels; information; expert opinion; wine; product attributes (search for similar items in EconPapers)
JEL-codes: C23 C25 D12 H20 (search for similar items in EconPapers)
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Working Paper: Reduced form evidence on belief updating under asymmetric information-consumers' response to wine expert opinions (2020)
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