The Information Value of Geographical Indications

IF 6.8 1区 经济学 Q1 AGRICULTURAL ECONOMICS & POLICY
Marco Costanigro , Magalie Dubois , Azucena Gracia , Jean-Marie Cardebat
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引用次数: 0

Abstract

We conduct laboratory experiments in Spain (N = 148) and France (N = 143) simulating a wine shopping experience in which participants choose between four wines in a limited information environment, and access to Geographical Indication (GI) information, winery names, and expert review scores are “purchased” in multiple price listing elicitation sessions. Data analysis leverages the sequential nature of the rounds, experimental treatments, and a wine knowledge questionnaire to investigate the hierarchical structure and level of redundancy between alternative information sources, the role played by wine prices, and previously acquired expertise. We estimate that the average value of accessing GI information in a pre-purchase scenario lies between EUR 0.33 (Spain) and EUR 0.37 (France) for each purchasing occasion, and expert reviews provide a similar level of information. These findings are consistent across different price segments (high: €13-€17 vs. low: €4-€7). Firm names have lower average valuation but are more useful to high-knowledge consumers. GIs, firm names, and expert reviews are found to be imperfect substitutes, suggesting that GIs capture elements of both horizontal and vertical differentiation. The discussion is structured along three main thematic areas of contribution: the role of GIs as signals of quality, the extant literature studying how consumers interpret quality signals, and the contrast between our findings and the modeling assumption adopted in the GI theoretical literature.
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来源期刊
Food Policy
Food Policy 管理科学-农业经济与政策
CiteScore
11.40
自引率
4.60%
发文量
128
审稿时长
62 days
期刊介绍: Food Policy is a multidisciplinary journal publishing original research and novel evidence on issues in the formulation, implementation, and evaluation of policies for the food sector in developing, transition, and advanced economies. Our main focus is on the economic and social aspect of food policy, and we prioritize empirical studies informing international food policy debates. Provided that articles make a clear and explicit contribution to food policy debates of international interest, we consider papers from any of the social sciences. Papers from other disciplines (e.g., law) will be considered only if they provide a key policy contribution, and are written in a style which is accessible to a social science readership.
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