# TAM, Kar Yan
**Source**: https://bm.hkust.edu.hk/faculty/tam-kar-yan
**Parent**: https://bm.hkust.edu.hk/bizinsight/fintech-and-ai-business
TAM, Kar Yan
Vice-President for Administration & Business, Chair Professor
Department of Information Systems, Business Statistics & Operations Management
[View Profile](https://isom.hkust.edu.hk/faculty-and-staff/directory/kytam)
### Recent Activities
ZHENG, Jiexin
NG, Ka Chung
[ZHENG, Rong](https://bm.hkust.edu.hk/faculty/zheng-rong)
[TAM, Kar Yan](https://bm.hkust.edu.hk/faculty/tam-kar-yan)
[The Effects of Sentiment Evolution in Financial Texts: A Word Embedding Approach](https://bm.hkust.edu.hk/bizinsight/2026/01/effects-sentiment-evolution-financial-texts-word-embedding-approach)
We examine the evolutionary effects of sentiment words in financial text and their implications for various business outcomes. We propose an algorithm called Word List Vector for Sentiment (WOLVES) that leverages both a human-defined sentiment word list and the word embedding approach to quantify text sentiment over time. We then apply WOLVES to investigate
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[Read More](https://bm.hkust.edu.hk/bizinsight/2026/01/effects-sentiment-evolution-financial-texts-word-embedding-approach)
[ [Fintech and AI in Business](https://bm.hkust.edu.hk/bizinsight/fintech-and-ai-business "Fintech and AI in Business") ]
[Read Full Paper](https://www.tandfonline.com/doi/epdf/10.1080/07421222.2023.2301176?needAccess=true)
NG, Ka Chung
[ZHANG, Xiaojun](https://bm.hkust.edu.hk/faculty/zhang-xiaojun)
[THONG, James Y L](https://bm.hkust.edu.hk/faculty/thong-james-y-l)
[TAM, Kar Yan](https://bm.hkust.edu.hk/faculty/tam-kar-yan)
[Responding to Cybersecurity Threats](https://bm.hkust.edu.hk/bizinsight/2022/12/responding-cybersecurity-threats)
[Data Security](https://bm.hkust.edu.hk/bizinsight/tag/data-security)
[Cyber Security](https://bm.hkust.edu.hk/bizinsight/tag/cyber-security)
[Security Protection](https://bm.hkust.edu.hk/bizinsight/tag/security-protection)
Cybersecurity breaches leading to compromised personal data and violations of privacy are an increasing concern for both organisations and individuals, and despite people becoming more alert to such threats, they are still the “weakest link in the cybersecurity chain”. It is therefore vital to heighten individuals’ cybersecurity awareness and ensure that
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[Read More](https://bm.hkust.edu.hk/bizinsight/2022/12/responding-cybersecurity-threats)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://www.tandfonline.com/doi/full/10.1080/07421222.2021.1962601?scroll=top&needAccess=true&role=tab)
XU, Xin
[THONG, James Y L](https://bm.hkust.edu.hk/faculty/thong-james-y-l)
[TAM, Kar Yan](https://bm.hkust.edu.hk/faculty/tam-kar-yan)
[Winning Back Consumers To An Abandoned Technology](https://bm.hkust.edu.hk/bizinsight/2019/02/winning-back-consumers-abandoned-technology)
New technologies can have teething problems such that some users give up the whole class of technology itself (and not just the brand). A case in point was 2G mobile internet services that used wireless application protocol (WAP). The performance was so unreliable that some consumers dubbed it “wait and pay” and stopped using 2G altogether. When the 3G
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[Read More](https://bm.hkust.edu.hk/bizinsight/2019/02/winning-back-consumers-abandoned-technology)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
XU, Xin
VENKATESH, Viswanath
[TAM, Kar Yan](https://bm.hkust.edu.hk/faculty/tam-kar-yan)
HONG, Se-Joon
[Consumer Approaches to Adopting New Technologies](https://bm.hkust.edu.hk/bizinsight/2012/02/consumer-approaches-adopting-new-technologies)
Information and communication technology (ICT) is advancing at a rapid pace and the lifecycle of ICT products has shrunk considerably. These products often come in a succession of generations with each new generation surpassing the previous ones in terms of technology dimensions. The Windows OS and iPhone series are good examples. But to consumers, the
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[Read More](https://bm.hkust.edu.hk/bizinsight/2012/02/consumer-approaches-adopting-new-technologies)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://pubsonline.informs.org/doi/epdf/10.1287/mnsc.1090.1033)
HO, Shuk Ying
BODOFF, David
[TAM, Kar Yan](https://bm.hkust.edu.hk/faculty/tam-kar-yan)
[The Timing Challenge in Web Personalization](https://bm.hkust.edu.hk/bizinsight/2011/12/timing-challenge-web-personalization)
Web personalization technology potentially makes it possible to match recommendations to customer preferences and thereby open up business opportunities for online merchants. However, the practice is rather more complicated than the theory as there are important decisions to make. One of the most important is when to make recommendations. Technology allows
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[Read More](https://bm.hkust.edu.hk/bizinsight/2011/12/timing-challenge-web-personalization)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://pubsonline-informs-org.lib.ezproxy.ust.hk/doi/pdf/10.1287%2Fisre.1090.0262)
KWAN, Samuel S.K.
[SO, Mike K P](https://bm.hkust.edu.hk/faculty/so-mike-k-p)
[TAM, Kar Yan](https://bm.hkust.edu.hk/faculty/tam-kar-yan)
[Seeking Truthful Responses on Sensitive Topics](https://bm.hkust.edu.hk/bizinsight/2011/10/seeking-truthful-responses-sensitive-topics)
Using pirated software, gambling, and visiting pornographic websites are examples of behaviors that are hard to measure because people fear the consequences of being truthful. This reluctance can hinder efforts to understand and address these problems. However, one study suggests that it may be possible to elicit more honest responses without compromising
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[Read More](https://bm.hkust.edu.hk/bizinsight/2011/10/seeking-truthful-responses-sensitive-topics)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://pubsonline-informs-org.lib.ezproxy.ust.hk/doi/pdf/10.1287%2Fisre.1090.0271)