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  1. Article: Consumer attitudes towards brand extensions of designer-labels and mass-market labels in Hong Kong/ Shuk-Ching Liu and Tsan-Ming Choi

    Liu, Shuk-ching / Choi, Tsan-ming

    Journal of fashion marketing and management Vol. 13, No. 4 , p. 527-540

    2009  Volume 13, Issue 4, Page(s) 527–540

    Keywords Mode ; Markentransfer ; Konsumentenverhalten ; Zielgruppe ; Hongkong
    Language English
    Publisher Emerald Group Publ.
    Publishing place Bradford
    Document type Article
    ZDB-ID 2144075X ; 2109286-2
    ISSN 1361-2026
    ISSN 1361-2026
    Database ECONomics Information System

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  2. Article: Values of blockchain for risk-averse high-tech manufacturers under government's carbon target environmental taxation policies.

    Choi, Tsan-Ming

    Annals of operations research

    2022  , Page(s) 1–24

    Abstract: Today, high-tech industries such as consumer electronics commonly face government rules on carbon emissions. Among the rules, carbon emission tax as well as extended producer responsibility (EPR) tax are two important measures. Using blockchain, the ... ...

    Abstract Today, high-tech industries such as consumer electronics commonly face government rules on carbon emissions. Among the rules, carbon emission tax as well as extended producer responsibility (EPR) tax are two important measures. Using blockchain, the policy makers can better determine the carbon target environmental taxation (CTET) policy with accurate information. In this paper, based on the mean-variance framework, we study the values of blockchain for risk-averse high-tech manufacturers who are under the government's CTET policy. To be specific, the government first determines the optimal CTET policy. The high-tech manufacturer then reacts and determines its optimal production quantity. We analytically prove that the CTET policy simply relies on the setting of the optimal EPR tax. Then, in the absence of blockchain, we consider the case in which the government does not know the manufacturer's degree of risk aversion for sure and then derive the expected value of using blockchain for the high-tech manufacturers. We study when it is wise for the high-tech manufacturer and the government to implement blockchain. To check for robustness, we consider in two extended models respectively the situations in which blockchain incurs non-trivial costs as well as having an alternative risk measure. We analytically show that most of the qualitative findings remain valid.
    Language English
    Publishing date 2022-11-04
    Publishing country United States
    Document type Journal Article
    ISSN 0254-5330
    ISSN 0254-5330
    DOI 10.1007/s10479-022-05030-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Fighting against COVID-19: what operations research can help and the sense-and-respond framework.

    Choi, Tsan-Ming

    Annals of operations research

    2021  , Page(s) 1–17

    Abstract: COVID-19 is affecting all walks of life. To deal with it, we need to make use of scientifically sound tools and models. Operations research (OR), as a well-established field which focuses on deploying analytical tools to solving decision making problems, ...

    Abstract COVID-19 is affecting all walks of life. To deal with it, we need to make use of scientifically sound tools and models. Operations research (OR), as a well-established field which focuses on deploying analytical tools to solving decision making problems, comes to the rescue. In this paper, by examining the OR literature and practices related to pandemics (including COVID-19), we discuss what OR can help to tackle challenges under COVID-19. We classify the literature into three stages, namely "before pandemic", "during pandemic" and "after pandemic". We examine the related literature and reveal the respective research areas and OR methods employed. Then, we propose a future research agenda. Finally, we establish the sense-and-respond OR framework regarding what specific actions should be taken to cope with COVID-19 from the perspectives of governments, healthcare and non-profit-making organizations, and businesses. We believe that the findings of this paper lay the solid foundation to stimulate further OR studies to combat COVID-19.
    Language English
    Publishing date 2021-03-05
    Publishing country United States
    Document type Journal Article
    ISSN 0254-5330
    ISSN 0254-5330
    DOI 10.1007/s10479-021-03973-w
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Risk management for second-hand clothing imports in least developed countries: Legislations and perception of public-sector corruption.

    Guo, Shu / Choi, Tsan-Ming

    Risk analysis : an official publication of the Society for Risk Analysis

    2023  Volume 44, Issue 1, Page(s) 108–125

    Abstract: The second-hand clothing imports are very popular in the least developed countries (LDCs). The social health risk (SHR) associated with second-hand clothing products and the lack of relevant legislations in LDCs, however, bring substantial challenges. ... ...

    Abstract The second-hand clothing imports are very popular in the least developed countries (LDCs). The social health risk (SHR) associated with second-hand clothing products and the lack of relevant legislations in LDCs, however, bring substantial challenges. This article is therefore developed to explore the sterilization legislation design for second-hand clothing supply chains in LDCs. To address LDCs' different import requirements of fumigation, both the extended exporter responsibility (EER) legislation scheme and the extended importer responsibility (EIR) legislation scheme are considered. We also examine whether the perception of public-sector corruption in LDCs may affect the performance of sterilization legislation schemes. We compare the performance of sterilization legislation schemes under different public-sector corruption cases, different sterilization legislation structures, as well as market competition. Interestingly, our analyses show that the EER and EIR legislation schemes can achieve the same performance under a per unit SHR duty, no matter whether there is public-sector corruption or not. However, these two legislation schemes perform differently under the lump-sum SHR duty. Besides, with the presence of the public-sector corruption perception, the prospect of financial benefits from bribing the regulatory agency can induce the firm to choose a higher optimal sterilization level when the bribe is sufficiently small. These implications complement the extant knowledge on risk management of second-hand clothing in LDCs, and provide an important guidance regarding the design of sterilization legislations on second-hand clothing imports.
    MeSH term(s) Developing Countries ; Public Sector ; Risk Management ; Perception ; Clothing
    Language English
    Publishing date 2023-04-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 778660-8
    ISSN 1539-6924 ; 0272-4332
    ISSN (online) 1539-6924
    ISSN 0272-4332
    DOI 10.1111/risa.14134
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Innovative "Bring-Service-Near-Your-Home" operations under Corona-Virus (COVID-19/SARS-CoV-2) outbreak: Can logistics become the Messiah?

    Choi, Tsan-Ming

    Transportation research. Part E, Logistics and transportation review

    2020  Volume 140, Page(s) 101961

    Abstract: The corona virus (COVID-19/SARS-CoV-2) outbreak has created serious disruptions to many business operations. Among them, many service operations, which require customers to travel and visit a place indoor, become almost infeasible to run in a crowded ... ...

    Abstract The corona virus (COVID-19/SARS-CoV-2) outbreak has created serious disruptions to many business operations. Among them, many service operations, which require customers to travel and visit a place indoor, become almost infeasible to run in a crowded city like Hong Kong. Motivated by a recent reported real case on an innovative service operation in Hong Kong, we build analytical models to explore how logistics and technologies together can transform the "static service operations" to become the "bring-service-near-your-home" mobile service operations. We also highlight how the government may provide the subsidy to support the above mentioned mobile service operation (MSO) to make it financially viable. We specifically show that the government may adopt the fixed-cost-subsidy (FCS) scheme, operations-cost-subsidy (OCS) scheme or safety-technology-support (STS) scheme to help. We further uncover that the OCS scheme would bring a larger consumer surplus than the FCS scheme and is hence more preferable. In the extended models, we first study the case when service fee cannot be changed because of corona virus outbreak (CVO). We then explore the feasibility of adopting MSO in the long run as a financially self-sustainable service operation and derive the analytical conditions under which MSO is a win-win business model for both the service provider and consumers. Finally, we study the optimal safety technology investment problem.
    Keywords covid19
    Language English
    Publishing date 2020-04-28
    Publishing country Netherlands
    Document type Journal Article
    ISSN 1878-5794
    ISSN (online) 1878-5794
    DOI 10.1016/j.tre.2020.101961
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Innovative “Bring-Service-Near-Your-Home” operations under Corona-Virus (COVID-19/SARS-CoV-2) outbreak

    Choi, Tsan-Ming

    Transportation Research Part E: Logistics and Transportation Review

    Can logistics become the Messiah?

    2020  Volume 140, Page(s) 101961

    Keywords Business and International Management ; Transportation ; covid19
    Language English
    Publisher Elsevier BV
    Publishing country us
    Document type Article ; Online
    ZDB-ID 2013782-5
    ISSN 1366-5545
    ISSN 1366-5545
    DOI 10.1016/j.tre.2020.101961
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article: Sustainable successes in third-party food delivery operations in the digital platform era.

    Chan, Hau-Ling / Cheung, Ting-Ting / Choi, Tsan-Ming / Sheu, Jiuh-Biing

    Annals of operations research

    2023  , Page(s) 1–37

    Abstract: In the digital era, third-party food delivery operations are very popular all around the world. However, to achieve a sustainable operation for food delivery businesses is a challenging issue. Motivated by the fact that there is a lack of consolidated ... ...

    Abstract In the digital era, third-party food delivery operations are very popular all around the world. However, to achieve a sustainable operation for food delivery businesses is a challenging issue. Motivated by the fact that there is a lack of consolidated view towards the topic in the literature, we conduct a systematic literature review to identify how to achieve a sustainable operation for third-party food delivery and highlight the recent advances in this important area with the discussion of real-world practices. In this study, first, we review the relevant literature and apply the triple bottom line (TBL) framework to classify prior studies into economic sustainability, social sustainability, environmental sustainability, and multi-dimensional sustainability. We then identify three major research gaps, including inadequate investigation on the restaurant's preferences and decisions, superficial understanding on the environmental performance, and limited examination on the multi-dimensional sustainability in the third-party food delivery operations. Finally, based on the reviewed literature and observed industrial practices, we propose five future areas that deserve an in-depth further investigation. They are namely applications of digital technologies, behaviors and decisions of the restaurants, risk management, TBL, and post-coronavirus pandemic.
    Language English
    Publishing date 2023-04-12
    Publishing country United States
    Document type Journal Article
    ISSN 0254-5330
    ISSN 0254-5330
    DOI 10.1007/s10479-023-05266-w
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Innovative "Bring-Service-Near-Your-Home" Operations under Corona-Virus (COVID-19/SARS-CoV-2) Outbreak: Can Logistics Become the Messiah?

    Choi, Tsan-Ming

    Transp Res E Logist Transp Rev

    Abstract: The corona virus (COVID-19/SARS-CoV-2) outbreak has created serious disruptions to many business operations. Among them, many service operations, which require customers to travel and visit a place indoor, become almost infeasible to run in a crowded ... ...

    Abstract The corona virus (COVID-19/SARS-CoV-2) outbreak has created serious disruptions to many business operations. Among them, many service operations, which require customers to travel and visit a place indoor, become almost infeasible to run in a crowded city like Hong Kong. Motivated by a recent reported real case on an innovative service operation in Hong Kong, we build analytical models to explore how logistics and technologies together can transform the "static service operations" to become the "bring-service-near-your-home" mobile service operations. We also highlight how the government may provide the subsidy to support the above mentioned mobile service operation (MSO) to make it financially viable. We specifically show that the government may adopt the fixed-cost-subsidy (FCS) scheme, operations-cost-subsidy (OCS) scheme or safety-technology-support (STS) scheme to help. We further uncover that the OCS scheme would bring a larger consumer surplus than the FCS scheme and is hence more preferable. In the extended models, we first study the case when service fee cannot be changed because of corona virus outbreak (CVO). We then explore the feasibility of adopting MSO in the long run as a financially self-sustainable service operation and derive the analytical conditions under which MSO is a win-win business model for both the service provider and consumers. Finally, we study the optimal safety technology investment problem.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #133247
    Database COVID19

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  9. Article ; Online: A United Nations' Sustainable Development Goals perspective for sustainable textile and apparel supply chain management.

    Cai, Ya-Jun / Choi, Tsan-Ming

    Transportation research. Part E, Logistics and transportation review

    2020  Volume 141, Page(s) 102010

    Abstract: Motivated by United Nations' Sustainable Development Goals (SDGs) and the importance of sustainability, this study examines how the textile and apparel (TA) supply chains can comply with the SDGs. By examining the literature as well as industrial ... ...

    Abstract Motivated by United Nations' Sustainable Development Goals (SDGs) and the importance of sustainability, this study examines how the textile and apparel (TA) supply chains can comply with the SDGs. By examining the literature as well as industrial practices, we show that the current sustainable operations in TA industry are far away from realizing the goals of economic growth going hand-in-hand with the social and environmental sustainability. For instance, among the SDGs, the goals of "
    Keywords covid19
    Language English
    Publishing date 2020-07-17
    Publishing country Netherlands
    Document type Journal Article
    ISSN 1878-5794
    ISSN (online) 1878-5794
    DOI 10.1016/j.tre.2020.102010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Mining voices from self-expressed messages on social-media: Diagnostics of mental distress during COVID-19.

    Kumar, Rahul / Mukherjee, Shubhadeep / Choi, Tsan-Ming / Dhamotharan, Lalitha

    Decision support systems

    2022  Volume 162, Page(s) 113792

    Abstract: The COVID-19 pandemic has had a severe impact on mankind, causing physical suffering and deaths across the globe. Even those who have not contracted the virus have experienced its far-reaching impacts, particularly on their mental health. The increased ... ...

    Abstract The COVID-19 pandemic has had a severe impact on mankind, causing physical suffering and deaths across the globe. Even those who have not contracted the virus have experienced its far-reaching impacts, particularly on their mental health. The increased incidences of psychological problems, anxiety associated with the infection, social restrictions, economic downturn, etc., are likely to aggravate with the virus spread and leave a longer impact on humankind. These reasons in aggregation have raised concerns on mental health and created a need to identify novel precursors of depression and suicidal tendencies during COVID-19. Identifying factors affecting mental health and causing suicidal ideation is of paramount importance for timely intervention and suicide prevention. This study, thus, bridges this gap by utilizing computational intelligence and Natural Language Processing (NLP) to unveil the factors underlying mental health issues. We observed that the pandemic and subsequent lockdown anxiety emerged as significant factors leading to poor mental health outcomes after the onset of COVID-19. Consistent with previous works, we found that psychological disorders have remained pre-eminent. Interestingly, financial burden was found to cause suicidal ideation before the pandemic, while it led to higher odds of depressive (non-suicidal) thoughts for individuals who lost their jobs. This study offers significant implications for health policy makers, governments, psychiatric practitioners, and psychologists.
    Language English
    Publishing date 2022-05-06
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1501054-5
    ISSN 1873-5797 ; 0167-9236
    ISSN (online) 1873-5797
    ISSN 0167-9236
    DOI 10.1016/j.dss.2022.113792
    Database MEDical Literature Analysis and Retrieval System OnLINE

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