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Research on Product Characteristics Extraction and Hedonic Price Based on User Comments |
Xiuxian Wen,Jian Xu() |
School of Information Management, Sun Yat-Sen University, Guangzhou 510006, China |
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Abstract [Objective] This paper proposes a method to extract product characteristics from user comments, aiming to address the issues facing hedonic price research. [Methods] First, we extracted keywords from user comments. Then, we retrieved the product characteristics favored by consumers through keywords clustering, and established the hedonic price model. Finally, we examined the proposed model with the sales of new properties in Guangzhou. [Results] We found seven real estate characteristics of significant consumer preferences from the user comments. The degree of fitting of the model reached 0.760, the DW statistic was 2.013, and the correlation coefficient between user preferences and price of the real estates was 0.989. [Limitations] The experimental data was collected from real estate website only. [Conclusions] The new model based on users comments could accurately evaluate the price of products. It also helps us effectively avoid multiple collinearity problems between independent variables and further explore business and consumer behaviors.
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Received: 11 September 2018
Published: 06 September 2019
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Corresponding Authors:
Jian Xu
E-mail: issxj@mail.sysu.edu.cn
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