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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)
Consumer buzz in the form of user-generated reviews, recommendations and blogs signals consumer attitude and advocacy can influence firm value. Web traffic also affects brand awareness and customer acquisition, and is a predictor of the performance of a firm's stock in the market. The information systems (IS) and accounting literature have treated buzz and(More)
Location-based mobile promotion (LMP) is believed to trigger spontaneous and impulsive purchases. This field study quantifies the dynamic impact of LMP, using aggregated daily mobile movie promotions and purchase data from over 3 million real-world users of a large mobile service provider. The developed multivariate time-series models confirm that LMP has a(More)
T his research examines the effects of hyper-contextual targeting in conjunction with physical crowdedness on consumer responses to mobile ads. It relies on rich field data from one of the world's largest telecom providers who can gauge physical crowdedness in real-time in terms of the number of active mobile users in subway trains. The telecom provider(More)
Can location-based mobile promotion (LMP) trigger contemporaneous and delayed sales purchases? As mobile technologies can reach users anywhere and anytime, LMP becomes a promising new channel. We unravel the dynamic sales impact of LMP, on the basis of a randomized field experiment with 22,000 mobile users sponsored by one of the largest mobile service(More)
This study provides a new perspective to the long-standing debate on the business value of IT. Advancing prior research on the internal perspectives of IT value creation, we take an external view and investigate the role of stock analysts in facilitating the market evaluation of firms' IT investments. Stock analysts collect information about firms' IT(More)