Abstract
Determinant attributes play an important role in consumers’ purchase decisions. Firms rely on them to differentiate their products. Determinant attributes are typically identified using direct methods or indirect methods. However, the voice of the customer online can also provide key insights regarding attributes that are part of the consumers’ pre-purchase search process. The purpose of this study is to propose a framework to identify determinant attributes from online consumer questions. Our method uses semi-supervised Latent Dirichlet Allocation to identify product attributes initially. This is followed by the application of sequence pattern mining to identify temporal sequences of determinant attributes. Finally, hierarchical time series is used to forecast consumer interest in determinant attributes over time. The results show that our study can be used to identify determinant attributes of competing brands and can also be used to forecast consumer interest in these attributes. Brands can use this framework to have a pulse on what consumers look for before purchase. This will aid their decisions related to promotion as well as product development processes.
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