Qitian Yin

Predicting post-purchase regret in green appliances using BERT-enhanced sentiment representation and a SMOTE-XGBoost hybrid model

The "green consumption gap"—the divergence between stated environmental preferences and realized post-purchase satisfaction—is particularly significant in high-involvement durable goods markets. Existing literature focuses on positive outcomes such as willingness-to-pay and brand loyalty, leaving the micro-level trigge...