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作者：Deng, Shuyuan; Huang, Zhijian (James); Sinha, Atish P.; Zhao, Huimin
作者单位：Grand Valley State University; Rochester Institute of Technology; University of Wisconsin System; University of Wisconsin Milwaukee
摘要：Opinion mining of microblog messages has become a popular application of business analytics in recent times. Opinions reflected in microblogs have provided businesses with great opportunities to acquire insights into their operating environments in real time. In particular, the relationship between microblog sentiment and stock returns is of great interest to investment professionals and academic researchers across multiple disciplines. We empirically test this complex relationship in a compre...
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作者：Greenstein, Shane; Zhu, Feng
作者单位：Harvard University
摘要：Organizations today can use both crowds and experts to produce knowledge. While prior work compares the accuracy of crowd-produced and expert-produced knowledge, we compare bias in these two models in the context of contested knowledge, which involves subjective, unverifiable, or controversial information. Using data from Encyclopedia Britannica, authored by experts, and Wikipedia, an encyclopedia produced by an online community, we compare the slant and bias of pairs of articles on identical ...
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作者：Retana, German F.; Forman, Chris; Narasimhan, Sridhar; Niculescu, Marius Florin; Wu, D. J.
作者单位：INCAE Business School; Cornell University; University System of Georgia; Georgia Institute of Technology
摘要：Does a provider's technology support strategy influence its buyers' post-adoption IT service use? We study this question in the context of cloud infrastructure services. The provider offers two levels of support, basic and full. Under basic support, the provider handles simple service quality issues. Under full support, the provider also offers education, training, and personalized guidance through two-way interactions with buyers. Using unique data on public cloud infrastructure services use ...
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作者：Mo, Jiahui; Sarkar, Sumit; Menon, Syam
作者单位：Nanyang Technological University; University of Texas System; University of Texas Dallas
摘要：Crowdsourcing contests have emerged as an innovative way for firms to solve business problems by acquiring ideas from participants external to the firm. As the number of participants on crowdsourcing contest platforms has increased, so has the number of tasks that are open at any time. This has made it difficult for solvers to identify tasks in which to participate. We present a framework to recommend tasks to solvers who wish to participate in crowdsourcing contests. The existence of competit...
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作者：Shore, Jesse; Baek, Jiye; Dellarocas, Chrysanthos
作者单位：Boston University; Hong Kong University of Science & Technology
摘要：Social media have great potential to support diverse information sharing, but there is widespread concern that platforms like Twitter do not result in communication between those who hold contradictory viewpoints. Because users can choose whom to follow, prior research suggests that social media users exist in echo chambers or become polarized. We seek evidence of this in a complete cross section of hyperlinks posted on Twitter, using previously validated measures of the political slant of new...
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作者：Pan, Yang; Huang, Peng; Gopal, Anandasivam
作者单位：Louisiana State University System; Louisiana State University; University System of Maryland; University of Maryland College Park
摘要：Prior research on corporate governance has offered contradictory empirical evidence on the relationship between the independence of the board of directors (the degree to which the board consists of outside directors who are not affiliated with the company) and firm performance. Building on the contingency view of corporate governance, we argue that the presence of significant new entry threats (NET), a unique feature that differentiates the IT industry from many other industries, is a critical...
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作者：Cummings, Jeff; Dennis, Alan R.
作者单位：University of North Carolina; University of North Carolina Wilmington; Indiana University System; IU Kelley School of Business; Indiana University Bloomington
摘要：Social media has changed the way many team members meet for the first time. Due to the increased use of virtual environments, it is now common for team members to examine each other's profile on a firm's enterprise social networking site (ESNS) in lieu of an initial face-to-face meeting. This study examines how the information provided in an ESNS impacts impression formation at the initial formation of a virtual team, specifically perceptions of social capital (i.e., relational, structural, an...
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作者：Karahanna, Elena; Xu, Sean Xin; Xu, Yan; Zhang, Nan (Andy)
作者单位：University System of Georgia; University of Georgia; Tsinghua University; Hong Kong University of Science & Technology; Harbin Institute of Technology
摘要：The paper develops a needs-affordances-features (NAF) perspective on social media use which posits that individuals' psychological needs motivate their use of social media applications to the extent to which these applications provide affordances that satisfy these needs. Our theoretical development builds upon two psychological theories, namely self-determination and psychological ownership, to identify five psychological needs (needs for autonomy, relatedness, competence, having a place, and...
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作者：Thatcher, Jason Bennett; Wright, Ryan T.; Sun, Heshan; Zagenczyk, Thomas J.; Klein, Richard
作者单位：University of Alabama System; University of Alabama Tuscaloosa; University of Virginia; University of Oklahoma System; University of Oklahoma - Norman; Clemson University; State University System of Florida; Florida International University
摘要：Mindfulness is an important emerging topic. Individual mindfulness in IT use has not been studied systematically. Through three programmatic empirical studies, this paper develops a scale for IT mindfulness and tests its utility in the post-adoption system use context. Study 1 develops a measure of IT mindfulness and evaluates its validity and reliability. Study 2 employs a laboratory experiment to examine whether IT mindfulness can be manipulated and whether its influence is consistent across...
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作者：Aguirre-Urreta, Miguel I.; Ronkko, Mikko
作者单位：State University System of Florida; Florida International University; University of Jyvaskyla; Aalto University
摘要：Partial least squares (PLS) is one of the most popular statistical techniques in use in the Information Systems field. When applied to data originating from a common factor model, as is often the case in the discipline, PLS will produce biased estimates. A recent development, consistent PLS (PLSc), has been introduced to correct for this bias. In addition, the common practice in PLS of comparing the ratio of an estimate to its standard error to a t distribution for the purposes of statistical ...
