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This study aims to provide insights on how different sources of information concerning a quality assurance program (QAP) influence consumers’ wine purchase likelihood, profiles of consumers most likely to use QAPs (demographics, wine consumption and expenditures, wine involvement behaviors) and consumer attitudes toward QAPs.

Data are from a 2021 survey of 1,191 wine consumers in Tennessee and other US states. A multiple indicators multiple causes model is used to estimate how consumer demographics, wine consumption and expenditure patterns and several wine-involvement measures influence likelihood of using QAPs from eight provider sources when making wine purchase decisions. Sources include university, government, third-party certifiers, wineries and wine associations at the state, regional, national and international levels.

Wine consumers have an interest in QAP information when making wine purchase decisions. Not all QAP provider information is used equally, with almost 69% of the sample indicating the use of state wine association QAPs, but less than 44% indicating the use of government agency QAPs or third-party QAPs. Wine consumers’ demographics also influence the use of QAP information. Males, higher income consumers, residing outside of Tennessee and more wine-involved consumers are more likely to use QAPs. Consumers view QAPs as indicators of overall wine quality, ingredient quality and wine consistency rather than necessarily a means of building knowledge about local wines.

To the best of the authors’ knowledge, this paper is the first to examine not only QAP use from multiple providers but also how demographics, wine consumption, wine expenditures and wine-involvement impact QAP use.