Understanding customer regional differences from online opinions: a hierarchical Bayesian approach

Kejia Chen, Jian Jin (), Zheng Zhao and Ping Ji
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Kejia Chen: Fuzhou University
Jian Jin: Beijing Normal University
Zheng Zhao: Fuzhou University
Ping Ji: The Hong Kong Polytechnic University

Electronic Commerce Research, 2022, vol. 22, issue 2, No 7, 377-403

Abstract: Abstract A large volume of customer reviews is generated from time to time and customer requirements are presented between lines of online opinions. Many studies about online opinions mainly focus on the extraction of customer sentiment, but practical concerns regarding the integration into new product design are far from extensively discussed. To enlighten designers about how consumers differ geographically in terms of their preferences, which is possessing important research significance and practical values, is not well investigated. Specifically, in this study, online reviews are invited to explore market regional heterogeneity. With identified product feature related subjective sentences from online reviews, a straightforward applied approach is to assume the ratio of the number of satisfied customers to the total number of customers as the expected percentage of satisfied customers across different regions. However, such frequency based approach becomes unreliable in case that the number of reviews do not distribute evenly. Accordingly, the Bayesian school of thought is utilized in which statistics of data-rich regions are invited to help to analyze that of data-poor regions. Then, a hierarchical Bayesian model is proposed and it assumes that the expected percentages of customer satisfaction in different regions follow a certain probability distribution. Finally, taking 9541 mobile phone online reviews on Amazon as an example, categories of experiments were conducted. It informs the significance to product designers about the value of online concerns on analyzing market regional heterogeneity and presents the effectiveness of the proposed approach in terms of discovering customer regional differences.

Keywords: Hierarchical Bayesian model; Market regional heterogeneity; Sentiment analysis; Online reviews; Customer satisfaction; Regional distribution (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10660-020-09420-5

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