Sentiments from online word-of-mouth (WOM) are often controversial, since individuals have
different preferences toward the same products. Past studies have focused on online WOM
effects by measuring WOM volume and valence. However, few studies have investigated
how the entropy of the review text sentiment influences the relationship between online
WOM and product sales. As WOM valence and volume are usually provided at an
aggregated level, consumers often do not have enough information to make a decision. In …