# HUI, Kai Lung
**Source**: https://bm.hkust.edu.hk/faculty/hui-kai-lung
**Parent**: https://bm.hkust.edu.hk/bizinsight/bizthemes/data-analytics
HUI, Kai Lung
Acting Dean of Business and Management, Elman Family Professor of Business, Chair Professor
Department of Information Systems, Business Statistics & Operations Management
[View Profile](https://isom.hkust.edu.hk/faculty-and-staff/directory/klhui)
### Recent Activities
CAO, Zike
CHU, Junhong
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
[XU, Hong](https://bm.hkust.edu.hk/faculty/xu-hong)
[Discounts or Customer Referrals? Choosing the Right Strategy for Success in E-Commerce](https://bm.hkust.edu.hk/bizinsight/2023/03/discounts-or-customer-referrals-choosing-right-strategy-success-e-commerce)
[Discounting](https://bm.hkust.edu.hk/bizinsight/tag/discounting)
[Marketing](https://bm.hkust.edu.hk/bizinsight/tag/marketing)
[Product and Production](https://bm.hkust.edu.hk/bizinsight/tag/product-and-production)
[Customer Behavior](https://bm.hkust.edu.hk/bizinsight/tag/customer-behavior)
In today’s fast-changing e-commerce landscape, businesses are increasingly relying on two novel strategies for winning customers: referral marketing and product discounting. However, this promising pairing may have a sting in the tail, according to HKUST’s Hong Xu and Kai-Lung Hui and colleagues. Although individually effective, these two marketing tools may
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2023/03/discounts-or-customer-referrals-choosing-right-strategy-success-e-commerce)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://www.tandfonline.com/doi/full/10.1080/07421222.2021.1962597)
CAO, Zike
CHU, Junhong
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
[XU, Hong](https://bm.hkust.edu.hk/faculty/xu-hong)
[Discounts or Customer Referrals? Choosing the Right Strategy for Success in E-Commerce](https://bm.hkust.edu.hk/bizinsight/2023/03/discounts-or-customer-referrals-choosing-right-strategy-success-e-commerce-0)
[Discounting](https://bm.hkust.edu.hk/bizinsight/tag/discounting)
[Marketing](https://bm.hkust.edu.hk/bizinsight/tag/marketing)
[Product and Production](https://bm.hkust.edu.hk/bizinsight/tag/product-and-production)
[Customer Behavior](https://bm.hkust.edu.hk/bizinsight/tag/customer-behavior)
In today’s fast-changing e-commerce landscape, businesses are increasingly relying on two novel strategies for winning customers: referral marketing and product discounting. However, this promising pairing may have a sting in the tail, according to HKUST’s Hong Xu and Kai-Lung Hui and colleagues. Although individually effective, these two marketing tools may
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2023/03/discounts-or-customer-referrals-choosing-right-strategy-success-e-commerce-0)
[ [BizBites](https://bm.hkust.edu.hk/bizinsight/bizbites "BizBites") ]
[Watch Video](https://video.ust.hk/Watch.aspx?Video=7A520A4F7A9E6DB6&embed=Y)
[Read Full Paper](https://www.tandfonline.com/doi/full/10.1080/07421222.2021.1962597)
[WANG, Jing](https://bm.hkust.edu.hk/faculty/wang-jing-0)
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
LI, Gen
[Does Payment Sap Free Content Online? Zhihu’s Natural Experiment](https://bm.hkust.edu.hk/bizinsight/2022/09/does-payment-sap-free-content-online-zhihus-natural-experiment)
[Online Information](https://bm.hkust.edu.hk/bizinsight/tag/online-information)
[Crowdsourcing](https://bm.hkust.edu.hk/bizinsight/tag/crowdsourcing)
[Reputation System](https://bm.hkust.edu.hk/bizinsight/tag/reputation-system)
[Spillover Effect](https://bm.hkust.edu.hk/bizinsight/tag/spillover-effect)
In May 2016, the Chinese question-and-answer platform Zhihu launched Zhihu Live, allowing contributors to hold live talks and collect entrance fees from participants. While contributing to the knowledge available on the platform, how did this new payment-based approach affect users’ unpaid-for contributions? Using evidence generated by this “natural
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2022/09/does-payment-sap-free-content-online-zhihus-natural-experiment)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://pubsonline.informs.org/doi/epdf/10.1287/mnsc.2021.4048)
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
[HUANG, Allen](https://bm.hkust.edu.hk/faculty/huang-allen)
LIM, Hyungsoo
[From Data to Actionable Insights: Harnessing the Power of Business and Social Analytics](https://bm.hkust.edu.hk/bizinsight/2022/01/data-actionable-insights-harnessing-power-business-and-social-analytics)
[Big Data](https://bm.hkust.edu.hk/bizinsight/tag/big-data)
[Data Analytics](https://bm.hkust.edu.hk/bizinsight/tag/data-analytics)
[Social Media](https://bm.hkust.edu.hk/bizinsight/tag/social-media)
HKUST’s Center for Business and Social Analytics (CBSA) generates quality insights from massive amounts of social data.
Chair Professor HUI Kai-Lung, CBSA Director; Associate Professor Allen HUANG, CBSA Associate Director; and Dr LIM Hyungsoo, Postdoctoral Fellow at CBSA
British mathematician Clive Humby famously coined the phrase “Data is the new oil”
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2022/01/data-actionable-insights-harnessing-power-business-and-social-analytics)
[ [Data Analytics](https://bm.hkust.edu.hk/bizinsight/bizthemes/data-analytics "Data Analytics") ]
CAO, Zike
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
[XU, Hong](https://bm.hkust.edu.hk/faculty/xu-hong)
[Discounts: A Double-Edged Sword](https://bm.hkust.edu.hk/bizinsight/2021/08/discounts-double-edged-sword)
[Advertising](https://bm.hkust.edu.hk/bizinsight/tag/advertising)
[Discounting](https://bm.hkust.edu.hk/bizinsight/tag/discounting)
[E-commerce](https://bm.hkust.edu.hk/bizinsight/tag/e-commerce)
[Customer Behavior](https://bm.hkust.edu.hk/bizinsight/tag/customer-behavior)
For retailers seeking to stand out in the cutthroat world of e-commerce, discounts can offer a powerful advertising tool. Across the Web, businesses compete for customers’ attention by announcing the most exclusive deals and hottest “flash” sales. However, big discounts do not always translate into big profits. According to HKUST professors Kai-Lung Hui and
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2021/08/discounts-double-edged-sword)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://pubsonline.informs.org/doi/pdf/10.1287/isre.2017.0772)
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
KE, Ping Fan
YAO, Yuxi
YUE, Wei T.
[Preventing Security Breaches by Sharing Liability](https://bm.hkust.edu.hk/bizinsight/2021/06/preventing-security-breaches-sharing-liability)
[Data Security](https://bm.hkust.edu.hk/bizinsight/tag/data-security)
[Managed Security Service](https://bm.hkust.edu.hk/bizinsight/tag/managed-security-service)
A few years ago, a data breach compromised the information of more than 100 million Target customers and cost the company US$148 million. Target had outsourced its security to a managed security service (MSS) provider called FireEye, but then failed to take action after FireEye alerted it to the breach. In a timely study, HKUST professors Kai-Lung Hui and
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2021/06/preventing-security-breaches-sharing-liability)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](https://pubsonline.informs.org/doi/pdf/10.1287/isre.2018.0806)
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
CAO, Zike
[XU, Hong](https://bm.hkust.edu.hk/faculty/xu-hong)
[Unintended Harm: The Consequences of Sharing Online](https://bm.hkust.edu.hk/bizinsight/2021/04/unintended-harm-consequences-sharing-online)
[Online Information](https://bm.hkust.edu.hk/bizinsight/tag/online-information)
[Social Media](https://bm.hkust.edu.hk/bizinsight/tag/social-media)
[Digital Responsibility](https://bm.hkust.edu.hk/bizinsight/tag/digital-responsibility)
[Information Disclosure](https://bm.hkust.edu.hk/bizinsight/tag/information-disclosure)
[Network](https://bm.hkust.edu.hk/bizinsight/tag/network)
Social media platforms enable millions of people worldwide to share stories, images, and other content. However, sharing the private information of others (peers) may have unintended and far-reaching consequences, both positive and negative. HKUST professors Kai-Lung Hui and Hong Xuand their co-researcher set out to determine how the benefits of peer
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[Read More](https://bm.hkust.edu.hk/bizinsight/2021/04/unintended-harm-consequences-sharing-online)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
[When Discount Hurts Sales](https://bm.hkust.edu.hk/bizinsight/2021/02/when-discount-hurts-sales)
[Discounting](https://bm.hkust.edu.hk/bizinsight/tag/discounting)
[Online Marketing](https://bm.hkust.edu.hk/bizinsight/tag/online-marketing)
[Marketing Strategy](https://bm.hkust.edu.hk/bizinsight/tag/marketing-strategy)
[Layperson Talk](https://bm.hkust.edu.hk/bizinsight/tag/layperson-talk)
How much should we discount our products or services? Many online sellers offer deep discounts to attract consumers. This is especially the case in online markets where the sellers are often less known to consumers. The question is whether such a promotional tactic helps the sales. It defeats the sellers’ advertising or promotional purposes if the discounts
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2021/02/when-discount-hurts-sales)
[ [BizTalks](https://bm.hkust.edu.hk/bizinsight/biztalks "BizTalks") ]
[Watch Video](https://video.ust.hk/Watch.aspx?Video=CD34E7DA2656358F&embed=Y)
[Read Full Paper](https://pubsonline.informs.org/doi/pdf/10.1287/isre.2017.0772)
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
[Blockchain: A Potential Disruption?](https://bm.hkust.edu.hk/bizinsight/2019/01/blockchain-potential-disruption)
[Fintech](https://bm.hkust.edu.hk/bizinsight/tag/fintech)
[Digital Innovation](https://bm.hkust.edu.hk/bizinsight/tag/digital-innovation)
[Blockchain](https://bm.hkust.edu.hk/bizinsight/tag/blockchain)
[Bitcoin](https://bm.hkust.edu.hk/bizinsight/tag/bitcoin)
In 2008, Satoshi Nakamoto published an ingenious paper sketching the idea and architecture to implement a peer-to-peer digital cash system called Bitcoin. The system was launched in 2009 and, since then, has kick-started a wave of digital innovations related to blockchain.
The meaning of blockchain is literal – it refers to a way of storing data in a
...
[Read More](https://bm.hkust.edu.hk/bizinsight/2019/01/blockchain-potential-disruption)
[ [Fintech](https://bm.hkust.edu.hk/bizinsight/bizthemes/fintech "Fintech") ]
WANG, Qiu-Hong
[HUI, Kai Lung](https://bm.hkust.edu.hk/faculty/hui-kai-lung)
[When is Bigger Better?](https://bm.hkust.edu.hk/bizinsight/2018/07/when-bigger-better)
[Mergers and Acquisitions](https://bm.hkust.edu.hk/bizinsight/tag/mergers-and-acquisitions)
[Technology and Innovation](https://bm.hkust.edu.hk/bizinsight/tag/technology-and-innovation)
When a big fish in the IT sector swallows a relative minnow, it can often seem that too much has been paid and too little gained by the buyer. But, given the major players didn’t become major players by making economically dumb decisions, are there some less obvious benefits to these transactions?
In their study, Professor Hui Kai Lung from HKUST Business
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[Read More](https://bm.hkust.edu.hk/bizinsight/2018/07/when-bigger-better)
[ [BizStudies](https://bm.hkust.edu.hk/bizinsight/bizstudies "BizStudies") ]
[Read Full Paper](http://klhui.people.ust.hk/research/2017-ISR.pdf)
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