Jie Jennifer Zhang

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<b>Introduction</b> While product review systems that collect and disseminate opinions about products from recent buyers (Table 1) are valuable forms of word-of-mouth communication, evidence suggests that they are overwhelmingly positive. Kadet notes that most products receive almost five stars. Chevalier and Mayzlin also show that book reviews on Amazon(More)
C 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 relationships. The(More)
Balancing the amount of advertising and content on a web page affects the profitability of the web site and its attractiveness to potential visitors. This tradeoff is modelled as a control problem for a web site manager who is maximizing the net present value of cash flows by controlling the amount of advertising and content displayed on the web site over(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)
Although the Web has grown to several billion pages over the past few years, just a few of the Web sites get most of the visits. Such sites, called portals, attract visitors and advertisers and provide a lot of valuable content at no charge to the visitors. The portals attract a disproportionate amount of the Internet advertising dollars and have the(More)
A new service model has emerged which delivers application software and services over the Web on a lease or subscription basis. Our paper studies the optimal licensing policy of a software vendor that uses that business model. We look at software vendors that are both selling (at a posted price) or leasing their products where as lessor they guarantee that(More)