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a r t i c l e i n f o a b s t r a c t This study examines the persuasive effect and awareness effect of online user reviews on movies' daily box office performance. In contrast to earlier studies that take online user reviews as an exogenous factor, we consider reviews both influencing and influenced by movie sales. The consideration of the endogenous(More)
Acknowledgements We are grateful to the Senior Editor Carol Saunders for helping us substantially improve the quality of our work. We also acknowledge the invaluable help of the Associate Editor and the three anonymous reviewers for their insightful comments and suggestions. The authors also University of Texas at Austin for valuable comments and(More)
C ompanies have increasingly advocated social media technologies to transform businesses and improve organizational performance. This study scrutinizes the predictive relationships between social media and firm equity value, the relative effects of social media metrics compared with conventional online behavioral metrics, and the dynamics of these(More)
BACKGROUND Americans increasingly post and consult online physician rankings, yet we know little about this new phenomenon of public physician quality reporting. Physicians worry these rankings will become an outlet for disgruntled patients. OBJECTIVE To describe trends in patients' online ratings over time, across specialties, to identify what physician(More)
Our study examines the impact of both a demand side factor (online user reviews) and a supply side factor (product variety) on the long tail and superstar phenomena in the context of online software downloading. The descriptive analysis suggests a significant superstar download pattern and also the emergence of the long tail. Using the quantile regression(More)
Adipose-derived stem cells (ASCs) transplanted along with autologous adipose tissue may improve fat graft survival; however, the efficacy of ASCs has been diluted by low vascularization. This study was designed to test the hypothesis that basic fibroblast growth factor (bFGF) may improve the effects of ASCs because it owns the property to boost(More)