The study provides an approach to measure the extent of knowledge sharing in Open Source Software (OSS) development in terms of two aspects: the quality of knowledge sharing which is indicated by the helpfulness of the messages, and the quantity of knowledge sharing which is indicated by the volume of the messages. The study developed a computer-aided content analysis program to assess the help...

Online consumer reviews (OCR) have helped consumers to know about the strengths and weaknesses of different products and find the ones that best suit their needs. This research investigates the predictors of readership and helpfulness of OCR using a sentiment mining approach. Our findings show that reviews with higher levels of positive sentiment in the title receive more readerships. Sentiment...

Abstract: This research explores how expressed emotional arousal in a consumer review affects reader perceptions of its helpfulness. Drawing from research on written communication and lay theories of emotion, the authors propose a pattern of diminishing returns, in which the marginal effect of arousal on perceived helpfulness is positive at low levels of arousal but diminishes at higher levels....

This research explores how expressed emotional arousal in a consumer review affects reader perceptions of its helpfulness. Drawing from research on written communication and lay theories of emotion, the authors propose a pattern of diminishing returns, in which the marginal effect of arousal on perceived helpfulness is positive at low levels of arousal but diminishes at higher levels. Results o...

In this work we investigate how the introduction of the Verified Purchase (VP) badge on Amazon.com affected both the review helpfulness and the product ratings. We first conduct a propensity score matching study and find that all else equal, camera reviews are on average ranked 7 positions higher than non-VP reviews, while book VP reviews are on average ranked 11 positions higher than non-VP re...

Online customer reviews (OCR) have become an important part of online customers’ decision making. People also use OCR to get better understanding of the characteristics of the product and also learn about other customers’ experience with the product. Drawing upon Elaboration Likelihood Model, this research investigates the predictors of readership and helpfulness of OCR. Our findings show that ...

Recent researches have seen an upsurge in the analysis of consumer reviews. Although, several dimensions have been explored, less is known on the temporal dynamics of events that happen over the lifecycle of online products. What are the dominant sales patterns? How are they affected by review count, rating, helpfulness and sentiment? How is trust characterized and what are its effects on sales...