Is Google Trends a quality data source?

Eduardo Cebrián and Josep Domenech

Applied Economics Letters, 2023, vol. 30, issue 6, 811-815

Abstract: Google Trends (GT) has become a popular data source among researchers in a wide variety of fields. In economics, its main use has been to forecast other economic variables such as tourism demand, unemployment or sales. This paper questions the quality of these data by discussing the main data quality aspects according to the literature. Our analysis evidences some non-negligible issues related to the measurement accuracy of GT, which potentially affects the results obtained with GT data and therefore the decisions made with this information. These issues are illustrated with an example in which some queries to GT are repeated on six different days.

Date: 2023
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DOI: 10.1080/13504851.2021.2023088

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