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Full-Text Articles in Social and Behavioral Sciences

A Network Analysis Of The Singapore Court Of Appeal's Citations To Precedent, Jerrold Tsin Howe Soh Mar 2019

A Network Analysis Of The Singapore Court Of Appeal's Citations To Precedent, Jerrold Tsin Howe Soh

Research Collection Yong Pung How School Of Law

This article presents findings from an empirical network analysis of citation practices in Singapore’s highest court. A network of all 987 reported Court of Appeal judgments handed down from 2000 to 2017 is constructed. Network centrality algorithms are used to rank judgments by centrality. Judgments on contract law, particularly on contractual interpretation and terms, emerge as the most central. Based on this, this article argues that more attention can be paid to interpretation per se as a legal skill. More generally, this article establishes a framework for applying network analysis to Singapore jurisprudence on a larger scale.

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The Rise Of China And The Antarctic Treaty System?, Nengye Liu Mar 2019

The Rise Of China And The Antarctic Treaty System?, Nengye Liu

Research Collection Yong Pung How School Of Law

This paper examines three dimensions of China’s rise in Antarctica: (1) history (2) activities; and (3) governance. Historically, China was missing in Antarctic affairs for long time. Over the past four decades, as a reflection of China’s rapid economic growth after the adoption of ‘Open Door' policy, Chinese activities in the Antarctic can be seen as rising, especially in science, fisheries and tourism. Nevertheless, this paper argues that rather than having a secret agenda to pursue, China is still shaping up its general Antarctic policy. China’s capacity to advance its interests within the Antarctic Treaty System is not significant either. …

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Catch Me If You Can: Claiming Jurisdiction Over An Overseas Defendant: Shanghai Turbo Enterprises Ltd V Liu Ming [2019] Sgca 11, Aaron Yoong, Nguyen Sinh Vuong Mar 2019

Catch Me If You Can: Claiming Jurisdiction Over An Overseas Defendant: Shanghai Turbo Enterprises Ltd V Liu Ming [2019] Sgca 11, Aaron Yoong, Nguyen Sinh Vuong

Research Collection Yong Pung How School Of Law

The appellant, Shanghai Turbo Enterprises Ltd (“Shanghai Turbo”), is a Singapore-listed company that owns Hong Kong-incorporated Best Success (Hong Kong) Ltd, which in turn owns China-incorporated Changzhou 3D Technological Complete Set Equipment Ltd (“CZ3D”). The respondent, Liu Ming (“Liu”), owned approximately 30% of the shares in Shanghai Turbo. He was also a director of all three companies, and held other management positions there. In April 2017, Shanghai Turbo fired Liu from all his positions in the companies, allegedly because of declining levels of profit under his management. Subsequently, Shanghai Turbo filed a suit against Liu for breaching his service agreement …

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China's Approach To The Belt And Road Initiative: Scope, Character And Sustainability, Heng Wang Mar 2019

China's Approach To The Belt And Road Initiative: Scope, Character And Sustainability, Heng Wang

Research Collection Yong Pung How School Of Law

As a new form of regional multilateralism, the Belt and Road Initiative is China’s most significant strategic move for external engagement in international economic law, following its World Trade Organization accession. This paper analyses China’s approach towards the Belt and Road Initiative from a legal perspective, focusing on three questions: first, what is the proper scope of the Belt and Road Initiative? Second, is there an identifiable approach that China adopts in the Belt and Road Initiative context, and, if so, what is its key legal characteristic? Third, is China’s Belt and Road Initiative approach sustainable? Employing a functional approach …

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Optimal Social Insurance With Informal Child Care, Christine Ho Mar 2019

Optimal Social Insurance With Informal Child Care, Christine Ho

Research Collection School Of Economics

The possibility of engaging in household child care may exacerbate the incentives of parents and grandparents to falsely claim disability benefits as households also get to save on formal child care costs. This paper considers a multi-generational family model with persistence in privately observed shocks and presents an efficient implementation case for subsidizing formal child care costs of the disabled. An implementation of the optimal scheme that consists of capped formal day care subsidies, non-linear income taxation and asset-testing is proposed. Simulations based on a parametrization that targets key features of the US labor and child care markets suggest that …

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Maximum Likelihood Estimation For The Fractional Vasicek Model, Katsuto Tanaka, Weilin Xiao, Jun Yu Mar 2019

Maximum Likelihood Estimation For The Fractional Vasicek Model, Katsuto Tanaka, Weilin Xiao, Jun Yu

Research Collection School Of Economics

This paper is concerned about the problem of estimating the drift parameters in the fractional Vasicek model from a continuous record of observations. Based on the Girsanov theorem for the fractional Brownian motion, the maximum likelihood (ML) method is used. The asymptotic theory for the ML estimates (MLE) is established in the stationary case, the explosive case, and the null recurrent case for the entire range of the Hurst parameter, providing a complete treatment of asymptotic analysis. It is shown that changing the sign of the persistence parameter will change the asymptotic theory for the MLE, including the rate of …

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Forecasting Equity Index Volatility By Measuring The Linkage Among Component Stocks, Yue Qiu, Tian Xie, Jun Yu, Qiankun Zhou Mar 2019

Forecasting Equity Index Volatility By Measuring The Linkage Among Component Stocks, Yue Qiu, Tian Xie, Jun Yu, Qiankun Zhou

Research Collection School Of Economics

The linkage among the realized volatilities across component stocks are important when modeling and forecasting the relevant index volatility. In this paper, the linkage is measured via an extended Common Correlated Effects (CCE) approach under a panel heterogeneous autoregression model where unobserved common factors in errors are assumed. Consistency of the CCE estimator is obtained. The common factors are extracted using the principal component analysis. Empirical studies show that realized volatility models exploiting the linkage effects lead to significantly better out-of-sample forecast performance, for example, an up to 32% increase in the pseudo R2. We also conduct various forecasting exercises …

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Limit Theory For Moderate Deviations From Integrated Garch Processes, Yubo Tao Mar 2019

Limit Theory For Moderate Deviations From Integrated Garch Processes, Yubo Tao

Research Collection School Of Economics

This paper develops the limit theory of the GARCH(1,1) process that moderately deviates from IGARCH process towards both stationary and explosive regimes. The asymptotic theory extends Berkes et al. (2005) by allowing the parameters to have a slower rate of convergence. The results can be applied to unit root test for processes with mildly-integrated GARCH innovations (e.g. Boswijk (2001), Cavaliere and Taylor (2007, 2009)) and deriving limit theory of estimators for models involving mildly-integrated GARCH processes (e.g. Jensen and Rahbek (2004), Francq and Zakoïan (2012, 2013).

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Establishing An Asia-Pacific Cryptocurrency Hub, Arnat Leemakdej, Chiyachantana N. Chiraphol Mar 2019

Establishing An Asia-Pacific Cryptocurrency Hub, Arnat Leemakdej, Chiyachantana N. Chiraphol

Research Collection Lee Kong Chian School Of Business

Asia is leading the way in digital asset markets, but individual countries are taking markedly different paths toward regulation and management in establishing themselves as cryptocurrency hubs, balancing innovation and regulation. Investors should be vigilant about the risks associated with alternative capital-raising methods.

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Central Place Theory And The Power Law For Cities, Wen-Tai Hsu, Zou Xin Mar 2019

Central Place Theory And The Power Law For Cities, Wen-Tai Hsu, Zou Xin

Research Collection School Of Economics

This chapter provides a review of the link between central place theory and the power laws for cities. A theory of city size distribution is proposed via a central place hierarchy a la Christaller (1933) either as an equilibrium results or an optimal allocation. Under a central place hierarchy, it is shown that a power law for cities emerges if the underlying heterogeneity in economies of scale across good is regularly varying. Furthermore, we show that an optimal allocation of cities conforms with a central place hierarchy if the underlying heterogeneity in economies of scale across good is a power …

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The Differential Impact Of Interactions Outside The Organization On Employee Well-Being, Devasheesh P. Bhave, Freyr Halldórsson, Eugene Kim, Alexandru M. Lefter Mar 2019

The Differential Impact Of Interactions Outside The Organization On Employee Well-Being, Devasheesh P. Bhave, Freyr Halldórsson, Eugene Kim, Alexandru M. Lefter

Research Collection Lee Kong Chian School Of Business

We examine two different perspectives of interactions outside the organization: the relational work design perspective and the emotional labour perspective. The relational work design perspective suggests that interactions outside the organization have favourable outcomes for employees, whereas the emotional labour perspective suggests that such interactions have adverse outcomes for employees. Our goal is to reconcile findings from these two research streams. In Study 1, using data from employees working in diverse occupations, we find that interactions outside the organization have a positive indirect effect on employee well‐being via task significance, and a negative indirect effect on employee well‐being via surface …

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Why Are Americans So Divided On Refugee Policy?, Shilpa Madan, Shankha Basu, Aneeta Rattan, Krishna Savani Mar 2019

Why Are Americans So Divided On Refugee Policy?, Shilpa Madan, Shankha Basu, Aneeta Rattan, Krishna Savani

Research Collection Lee Kong Chian School Of Business

The U.S. will resettle the lowest number of refugees in fiscal year 2019 since the Refugee Act was passed in 1980. After taking office, President Donald Trump reduced the admission limit from 110,000 in 2017 to 45,000 in 2018, and to 30,000 in 2019. The reduction is not a result of fewer refugees seeking resettlement. On the contrary, the number of people seeking resettlement is on the rise.

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Actuarial Modeling And Analysis Of The Hong Kong Life Annuity Scheme, Koon Shing Kwong, Wai-Sum Chan, Johnny Siu-Hang Li Mar 2019

Actuarial Modeling And Analysis Of The Hong Kong Life Annuity Scheme, Koon Shing Kwong, Wai-Sum Chan, Johnny Siu-Hang Li

Research Collection School Of Economics

The Hong Kong Mortgage Corporation (HKMC) Limited, which was established in March 1997 and is wholly owned by the government of the Hong Kong Special Administrative Region, has a major mission to develop and provide different financial retirement instruments to Hong Kong residents to help address the income poverty of retirees. In June 2017, HKMC Annuity Limited, a wholly-owned subsidiary of the HKMC was incorporated to implement a new life annuity scheme which would be launched by mid-2018 to cater for the needs of cash-rich Hong Kong old age residents. The objective of the scheme is to provide an additional …

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Does Foreign Direct Investment Lead To Industrial Agglomeration?, Wen-Tai Hsu, Yi Lu, Xuan Luo, Lianming Zhu Mar 2019

Does Foreign Direct Investment Lead To Industrial Agglomeration?, Wen-Tai Hsu, Yi Lu, Xuan Luo, Lianming Zhu

Research Collection School Of Economics

This paper studies the effect of foreign direct investment (FDI) on industrial agglomeration.Using the differential effects of FDI deregulation in 2002 in China on different industries, we find that FDI actually affects industrial agglomeration negatively. This result is somewhat counter-intuitive, as the conventional wisdom tends to suggest that FDI attracts domestic firms to cluster for various agglomeration benefits, in particular technology spillovers. To reconcile our empirical findings and the conventional wisdom, we develop a theory of FDI and agglomeration based on two counter-veiling forces. Technology diffusion from FDI attracts domestic firms to cluster, but fiercer competition drives firms away. Which …

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Zoning Changes And Social Diversity In New York City, 1990–2015, Juan G. Yunda, Junfeng Jiao Mar 2019

Zoning Changes And Social Diversity In New York City, 1990–2015, Juan G. Yunda, Junfeng Jiao

Research Collection College of Integrative Studies

The writings of Jane Jacobs led urbanists to advocate for increased social diversity in neighborhoods as a method of promoting vitality in public spaces. Since then, New York City has become both a role model and a testing ground for zoning changes that support this objective. However, since the 2000s community activists and scholars have argued that these zoning changes have led to the dislocation of communities of color and incentivized gentrification. This project analyzed panel social and housing census data from 1990 and 2015 to assess the validity of these arguments. Results suggest that zoning changes have limited and …

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Brazil: The Challenges Ahead, Singapore Management University Feb 2019

Brazil: The Challenges Ahead, Singapore Management University

Perspectives@SMU

South America’s biggest country attempts to chart a new economic course under a controversial president

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Crush On You, Singapore Management University Feb 2019

Crush On You, Singapore Management University

Perspectives@SMU

When you are having a crush on someone, you may find yourself starting to like drinking double espresso instead of your usual flat white, develop a taste for spicy Sichuan food or prefer louder music. Findings from a new research study by Prof. Zhang Meng at The Chinese University of Hong Kong (CUHK) Business School suggest that a romantic crush may change one’s consumption preference.

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Brain Drain, Brain Waste And Exporting Talent, Singapore Management University Feb 2019

Brain Drain, Brain Waste And Exporting Talent, Singapore Management University

Perspectives@SMU

Developing countries should remember the purpose of higher education instead of viewing a degree as a tool for career opportunities overseas

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Bots In Libraries: They're Coming For Your Jobs (Or Is It?), Salihin Mohammed Ali Feb 2019

Bots In Libraries: They're Coming For Your Jobs (Or Is It?), Salihin Mohammed Ali

Research Collection Library

With advancements in Artificial Intelligence (AI) and Machine Learning (ML), we have seen a rise in the use of bots, specifically chatbots, to deliver information services. Motivated by the Smart Nation programme, these chatbots have sprung up in sectors as transport, healthcare, banking and education in Singapore. What are these chatbots? How do they work? Will they take our jobs? SMU Libraries tries to answer these questions by delving into the mechanics of creating chatbots. The proof-of-concept aims to find out and understand use cases where these bots can be useful to delivering library information services to its campus community. …

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The Rise Of Open Scholarly Data And Possible Implications, Aaron Tay Feb 2019

The Rise Of Open Scholarly Data And Possible Implications, Aaron Tay

Research Collection Library

In this talk I cover the rise of open scholarly metadata thanks to efforts to create open infrastructure by non profits such as Crossref, Datacite, ROR as well as efforts from organizations such as JISC CORE, Opencitations, I4OC (Initative for open citations) to harvest and extract scholarly data. I talk about how libraries have benefited from all this data (most of which is available via APIs) and how Lens.org has brought most of this data together to create a compelling open service.

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Discrete Social Recommendation, Chenghao Liu, Xin Wang, Tao Lu, Wenwu Zhu, Jianling Sun, Steven C. H. Hoi Feb 2019

Discrete Social Recommendation, Chenghao Liu, Xin Wang, Tao Lu, Wenwu Zhu, Jianling Sun, Steven C. H. Hoi

Research Collection School Of Computing and Information Systems

Social recommendation, which aims at improving the performance of traditional recommender systems by considering social information, has attracted broad range of interests. As one of the most widely used methods, matrix factorization typically uses continuous vectors to represent user/item latent features. However, the large volume of user/item latent features results in expensive storage and computation cost, particularly on terminal user devices where the computation resource to operate model is very limited. Thus when taking extra social information into account, precisely extracting K most relevant items for a given user from massive candidates tends to consume even more time and memory, …

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Darling, Get Closer To Me: Spatial Proximity Amplifies Interpersonal Liking, Ji Eun Shin, Eunkook Suh, Norman P. Li, Kangyong Eo, Sang Chul Chong, Ming-Hong Tsai Feb 2019

Darling, Get Closer To Me: Spatial Proximity Amplifies Interpersonal Liking, Ji Eun Shin, Eunkook Suh, Norman P. Li, Kangyong Eo, Sang Chul Chong, Ming-Hong Tsai

Research Collection School of Social Sciences

Does close distance increase liking for a social object? In a preliminary sociogram task, an association between proximity and intimacy was found in drawings of self and others. In three experimental studies, male participants consistently preferred female targets who were (actually or appeared to be) close than far from them. Distance was manipulated through various means—sitting distance (Study 2), presenting two facial images separately to each eye by a stereoscopic device (Study 3), or a video clip (Study 4). This effect was stronger among those with deprived social needs and occurred in part because close (vs. far) targets seemed psychologically …

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Does Early Active Bilingualism Enhance Inhibitory Control And Monitoring? A Propensity-Matching Analysis, Andree Hartanto, Hwajin Yang Feb 2019

Does Early Active Bilingualism Enhance Inhibitory Control And Monitoring? A Propensity-Matching Analysis, Andree Hartanto, Hwajin Yang

Research Collection School of Social Sciences

Prior research suggesting that longer bilingual experience benefits inhibitory control and monitoring has been criticized for a lack of control over confounding variables. We addressed this issue by using a propensity-score matching procedure that enabled us to match early and late bilinguals on 18 confounding variables-for example, demographic characteristics, immigration status, fitness, extracurricular training, motivation, and emotionality-that have been shown to influence cognitive control. Before early and late bilinguals were matched (N = 196), we found early active bilingual advantages in flanker effects (in accuracy), global accuracy, and sensitivity (d') on the Attention Network Test for Interaction and Vigilance and …

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Bodies Of Work: Skilling At The Bottom Of The Global Nursing Care Chain, Yasmin Y. Ortiga, Jenica Ana Rivero Feb 2019

Bodies Of Work: Skilling At The Bottom Of The Global Nursing Care Chain, Yasmin Y. Ortiga, Jenica Ana Rivero

Research Collection School of Social Sciences

In the midst of a growing global market for migrant care work, there is a need to investigate not only how such labour is consumed but how ‘ideal’ care workers are also produced. This paper investigates how schools within migrant-sending countries produce nurse labour through body work or the testing and honing of hospital procedures on patients’ bodies. Focusing on the case of the Philippines, this paper shows how the education of nurses for export creates a paradoxical impact on care work within local healthcare institutions. Aspiring nurse migrants provide much-needed manpower to understaffed public hospitals yet, treat poor patients …

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Commentary: Influence Of Smartphone Addiction Proneness Of Young Children On Problematic Behaviors And Emotional Intelligence: Mediating Self-Assessment Effects Of Parents Using Smartphones, Qin Ying Joanne Tan, Andree Hartanto, Wei Xing Toh, Hwajin Yang Feb 2019

Commentary: Influence Of Smartphone Addiction Proneness Of Young Children On Problematic Behaviors And Emotional Intelligence: Mediating Self-Assessment Effects Of Parents Using Smartphones, Qin Ying Joanne Tan, Andree Hartanto, Wei Xing Toh, Hwajin Yang

Research Collection School of Social Sciences

The majority of studies on smartphone addiction have focused on adults and school-aged children or youth (e.g., Hartanto and Yang, 2016; Chung et al., 2018; Lee et al., 2018); few have investigated the impact of smartphone overuse during infancy and early childhood. Recently, Cho and Lee (2017) surveyed parents of children aged one to six and attempted to address this research gap in their article entitled “Influence of smartphone addiction proneness of young children on problematic behaviors and emotional intelligence: Mediating self-assessment effects of parents using smartphones.” Although the results are interesting, we would caution that they are preliminary because …

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It’S About Time: Readiness, Commitment And Stability In Close Relationships, Christopher R. Agnew, Benjamin W. Hadden, Kenneth Tan Feb 2019

It’S About Time: Readiness, Commitment And Stability In Close Relationships, Christopher R. Agnew, Benjamin W. Hadden, Kenneth Tan

Research Collection School of Social Sciences

Timing matters in relationships. People vary in their sense of when they think the time is right to be involved in a committed relationship. We propose and examine the construct of commitment readinessand its role in predicting important relationship outcomes including commitment level, maintenance processes, and stability among involved intimates. Data from five independent samples obtained with various methods revealed, as hypothesized, that readiness (a) predicts commitment, maintenance processes, and actions toward ending a relationship; (b) serves to moderate commitment in predicting maintenance processes (self-disclosure, accommodation, sacrifice); and (c) serves to moderate commitment in predicting leave behavior, with those reporting …

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Cultural Disposition Influences In Workgroups: A Motivational Systems Theory Of Group Involvement Perspective, Verlin B. Hinsz, Ernest Park, Angela K. Y. Leung, Jared Ladbury Feb 2019

Cultural Disposition Influences In Workgroups: A Motivational Systems Theory Of Group Involvement Perspective, Verlin B. Hinsz, Ernest Park, Angela K. Y. Leung, Jared Ladbury

Research Collection School of Social Sciences

Modern organizations often involve workgroup members who have different cultural heritage. This article provides an examination of how different cultural dimensions (e.g., uncertainty avoidance, individualism–collectivism) influence the ways that workgroups and their members respond to situations that involve threats and rewards. The threats and rewards activate distinct response patterns that are associated with a motivational systems theory of group involvement. Based on this theoretical foundation, a cultural dispositions approach is applied to reveal how culture could impact the ways group members respond (cognitively, affectively, motivationally) to situations that involve varying degrees of threats or rewards. This focus on cultural dispositions …

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A One-Size-Fits-All Approach To Corporate Governance Codes And Compliance By Smaller Listed Firms: An Examination Of Companies Listed In Hong Kong And Singapore, Christopher C. H. Chen Feb 2019

A One-Size-Fits-All Approach To Corporate Governance Codes And Compliance By Smaller Listed Firms: An Examination Of Companies Listed In Hong Kong And Singapore, Christopher C. H. Chen

Research Collection Yong Pung How School Of Law

This article examines the impact of a one-size-fits-all corporate governance code on smaller listed firms, which should have fewer resources to hire more qualified independent directors for their boards and board committees. After examining data from a sample of companies listed in Hong Kong and Singapore, we find some limited support for these resources-based arguments. While smaller firms do not necessarily have a lower proportion of board members who are independent directors, some evidence suggests that smaller firms do pay less to independent directors and that these directors have to serve on multiple board committees. Although many larger firms also …

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The Impact Of An Electrical Mini-Grid On The Development Of A Rural Community In Kenya, Abubakr Bahaj, Luke Blunden, Christopher Kanani, Patrick James, Issac Kiva, Zoe Matthews, Heather Price, Hildah Essendi, Jane Ealkingham, Gerard George Feb 2019

The Impact Of An Electrical Mini-Grid On The Development Of A Rural Community In Kenya, Abubakr Bahaj, Luke Blunden, Christopher Kanani, Patrick James, Issac Kiva, Zoe Matthews, Heather Price, Hildah Essendi, Jane Ealkingham, Gerard George

Research Collection Lee Kong Chian School Of Business

Electrical mini-grids can provide electrification to rural communities far from the national network. However the benefits of such schemes are disputed. We observed changes in two matched trading-centres in Makueni County, Kenya, neither of which were initially electrified. During the study a solar photovoltaic mini-grid scheme (13.5 kWp) was constructed in one of the trading-centres. After electrification there were relative increases in the number of businesses and business income. Comparing the households in the areas around the trading centres, perceived wealth increased more around the electrified trading centre. Qualitative interviews indicated improvements in service provision by the local school and …

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Evolution Of Corporate Reputation During An Evolving Controversy, Siyoung Chung, Mark Chong, Jie Sheng Chua, Ji Cheon Na Feb 2019

Evolution Of Corporate Reputation During An Evolving Controversy, Siyoung Chung, Mark Chong, Jie Sheng Chua, Ji Cheon Na

Research Collection Lee Kong Chian School Of Business

Purpose: The purpose of this paper is to investigate the evolution of online sentiments toward a company (i.e. Chipotle) during a crisis, and the effects of corporate apology on those sentiments. Design/methodology/approach: Using a very large data set of tweets (i.e. over 2.6m) about Company A’s food poisoning case (2015–2016). This case was selected because it is widely known, drew attention from various stakeholders and had many dynamics (e.g. multiple outbreaks, and across different locations). This study employed a supervised machine learning approach. Its sentiment polarity classification and relevance classification consisted of five steps: sampling, labeling, tokenization, augmentation of semantic …

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