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Full-Text Articles in Social and Behavioral Sciences

Text As Data: An Overview, Kenneth Benoit Dec 2020

Text As Data: An Overview, Kenneth Benoit

Research Collection School of Social Sciences

When it comes to textual data, the fields of political science and international relations face a genuine embarrassment of riches. Never before has so much text been so readily available on such a wide variety of topics that concern our discipline. Legislative debates, party manifestos, committee transcripts, candidate and other political speeches, lobbying documents, court opinions, laws – not only are all recorded and published today, but in many cases this is in a readily available form that is easily converted into structured data for systematic analysis.


Complex Societies And The Growth Of The Law, Daniel Martin Katz, Corinna Coupette, Janis Beckedorf, Dirk Hartung Dec 2020

Complex Societies And The Growth Of The Law, Daniel Martin Katz, Corinna Coupette, Janis Beckedorf, Dirk Hartung

Research Collection Yong Pung How School Of Law

While many informal factors influence how people interact, modern societies rely upon law as a primary mechanism to formally control human behaviour. How legal rules impact societal development depends on the interplay between two types of actors: the people who create the rules and the people to which the rules potentially apply. We hypothesise that an increasingly diverse and interconnected society might create increasingly diverse and interconnected rules, and assert that legal networks provide a useful lens through which to observe the interaction between law and society. To evaluate these propositions, we present a novel and generalizable model of statutory …


Form And Substance In Singapore Constitutional And Administrative Law, Kenny Chng Dec 2020

Form And Substance In Singapore Constitutional And Administrative Law, Kenny Chng

Research Collection Yong Pung How School Of Law

This paper proposes to study constitutional and administrative law in Singapore through the lenses of Atiyah’s and Summers’ concepts of form and substance in order to discern fruitful avenues for the development of Singapore constitutional and administrative law. While the concepts of form and substance in the context of constitutional law are often associated with constitutional interpretation, they can also be fruitfully applied to other areas of constitutional and administrative law to shed light on the potential trajectories of Singapore law. The intent of this paper is to apply Atiyah’s and Summers’ concepts of form and substance to Singapore constitutional …


Trusts And Jurisdiction Clauses - Crociani Revisited: Ivanishvili, Bidzina And Others V Credit Suisse Trust Ltd [2020] Sgca 62, Kian Peng Soh Dec 2020

Trusts And Jurisdiction Clauses - Crociani Revisited: Ivanishvili, Bidzina And Others V Credit Suisse Trust Ltd [2020] Sgca 62, Kian Peng Soh

Research Collection Yong Pung How School Of Law

In the recent Singapore Court of Appeal decision of Ivanishvili, Bidzina and others v Credit Suisse Trust Ltd, the court analysed the effect of a forum administration clause in the trust context, holding that while the clause in question was a jurisdiction clause, it was not an exclusive jurisdiction clause governing the dispute between the trustees and beneficiaries.


The Future Is Urban: The Progressive Renaissance Of The City In Eu Law, De Maartje Visser Dec 2020

The Future Is Urban: The Progressive Renaissance Of The City In Eu Law, De Maartje Visser

Research Collection Yong Pung How School Of Law

For much of the European integration process, local authorities have been on the legal margins. Yet many amongst this group, and cities in particular, consider themselves as important players in realising the Union’s overarching policy objectives. This view is slowly but surely fi nding traction with the EU’s political institutions. This article suggests that the future architecture of the European Union’s (EU’s) operating system will evince a rapprochement between the socio-economic clout of local authorities, notably cities, and their legal-political recognition at Union level. It further suggests that there is room for greater conceptual clarity along two lines when interrogating …


Deontic Constraints Are Maximizing Rules, Matthew Hammerton Dec 2020

Deontic Constraints Are Maximizing Rules, Matthew Hammerton

Research Collection School of Social Sciences

Deontic constraints prohibit an agent performing acts of a certain type even when doing so will prevent more instances of that act being performed by others. In this article I show how deontic constraints can be interpreted as either maximizing or non-maximizing rules. I then argue that they should be interpreted as maximizing rules because interpreting them as non-maximizing rules results in a problem with moral advice. Given this conclusion, a strong case can be made that consequentialism provides the best account of deontic constraints.


Country Report: The Teaching Of Philosophy In Singapore Schools, Steven Burik, Matthew Hammerton, Sovan Patra Dec 2020

Country Report: The Teaching Of Philosophy In Singapore Schools, Steven Burik, Matthew Hammerton, Sovan Patra

Research Collection School of Social Sciences

Singapore’s education system is widely regarded as one of the best in the world. In this report, we will focus on education at the primary, secondary, and junior college levels, and will not discuss the education offered in polytechnics (vocational colleges) and universities. We will also focus exclusively on Singapore’s public school system, which Singapore citizens are required to attend unless they are granted a special exemption. In addition to public schools, there are also international schools, which cater to the relatively large expatriate population in Singapore and typically offer a curriculum leading to the IB diploma. All public schools …


A Two-Stage Parallel Network Dea Model For Analyzing The Operational Capability Of Container Terminals, Jaehun Park, Byung Kwon Lee, Joyce M. W. Low Dec 2020

A Two-Stage Parallel Network Dea Model For Analyzing The Operational Capability Of Container Terminals, Jaehun Park, Byung Kwon Lee, Joyce M. W. Low

Research Collection Lee Kong Chian School Of Business

This study proposes a systematical approach to evaluate the operational capability of container terminals and discusses the effect of resource usages on operational performances. Two inter-dependent processes (i.e. the loading-discharging (L&D) and the delivery-receiving (D&R) operational processes) with shared/non-shared resources and common/separate productions are examined and characterized as a two-stage parallel network. An evaluation model is developed upon the principles of data envelopment analysis (DEA) to assess the operational capability of the terminals. Using the real-world dataset of 9 container terminals at Port of Busan, comparative performance results are obtained for 5 years spanning across 2014–2018. The proposed model demonstrates …


Covid-19, Coronavirus, Wuhan Virus, Or China Virus? Understanding How To “Do No Harm" When Naming An Infectious Disease, Theodore C. Masters-Waage, Nilotpal Jha, Jochen Reb Dec 2020

Covid-19, Coronavirus, Wuhan Virus, Or China Virus? Understanding How To “Do No Harm" When Naming An Infectious Disease, Theodore C. Masters-Waage, Nilotpal Jha, Jochen Reb

Research Collection Lee Kong Chian School Of Business

When labeling an infectious disease, officially sanctioned scientific names, e.g., “H1N1 virus,” are recommended over place-specific names, e.g., “Spanish flu.” This is due to concerns from policymakers and the WHO that the latter might lead to unintended stigmatization. However, with little empirical support for such negative consequences, authorities might be focusing on limited resources on an overstated issue. This paper empirically investigates the impact of naming against the current backdrop of the 2019-2020 pandemic.


Stay Mindful And Carry On: Mindfulness Neutralizes Covid-19 Stressors On Work Engagement Via Sleep Duration, Michelle Xue Zheng, Theodore Charles Masters-Waage, Jingxian Yao, Yichen Lu, Noriko Tan, Jayanth Narayanan Dec 2020

Stay Mindful And Carry On: Mindfulness Neutralizes Covid-19 Stressors On Work Engagement Via Sleep Duration, Michelle Xue Zheng, Theodore Charles Masters-Waage, Jingxian Yao, Yichen Lu, Noriko Tan, Jayanth Narayanan

Research Collection Lee Kong Chian School Of Business

We examine whether mindfulness can neutralize the negative impact of COVID-19 stressors on employees' sleep duration and work engagement. In Study 1, we conducted a field experiment in Wuhan, China during the lockdown between February 20, 2020, and March 2, 2020, in which we induced state mindfulness by randomly assigning participants to either a daily mindfulness practice or a daily mind-wandering practice. Results showed that the sleep duration of participants in the mindfulness condition, compared with the control condition, was less impacted by COVID-19 stressors (i.e., the increase of infections in the community). In Study 2, in a 10-day daily …


Urbanization Policy And Economic Development: A Quantitative Analysis Of China's Differential Hukou Reforms, Wen-Tai Hsu, Lin Ma Dec 2020

Urbanization Policy And Economic Development: A Quantitative Analysis Of China's Differential Hukou Reforms, Wen-Tai Hsu, Lin Ma

Research Collection School Of Economics

The household registration system (hukou system) in China has hampered rural-urban migration by posing large migration friction. The system has been gradually relaxed in the past few decades, but the reforms have been differential in city size and by the coastal-inland divide. We find a striking contrast in the migration patterns between years 2005 and 2015; rural people tended to move more to the coastal urban region in 2005, but more to the inland urban region in 2015. We calibrate a spatial quantitative model to the world economy in both years with China being divided into the rural, coastal urban, …


Point Optimal Testing With Roots That Are Functionally Local To Unity, Anna Bykhovskaya, Peter C. B. Phillips Dec 2020

Point Optimal Testing With Roots That Are Functionally Local To Unity, Anna Bykhovskaya, Peter C. B. Phillips

Research Collection School Of Economics

Limit theory for regressions involving local to unit roots (LURs) is now used extensively in time series econometric work, establishing power properties for unit root and cointegration tests, assisting the construction of uniform confidence intervals for autoregressive coefficients, and enabling the development of methods robust to departures from unit roots. The present paper shows how to generalize LUR asymptotics to cases where the localized departure from unity is a time varying function rather than a constant. Such a functional local unit root (FLUR) model has much greater generality and encompasses many cases of additional interest that appear in practical work, …


Trading Regularity And Fund Performance: Evidence In Uncertain Markets, Lin Tong, Zhe Zhang Dec 2020

Trading Regularity And Fund Performance: Evidence In Uncertain Markets, Lin Tong, Zhe Zhang

Research Collection Lee Kong Chian School Of Business

High trading regularity funds outperform low trading regularity funds more during periods of low market returns and greater market and economic uncertainty. Their trading also has strong return predictability on stock returns during periods of greater uncertainty. They trade more around news events, and their news related trading predicts stock return stronger during periods of greater uncertainty. They also profit from liquidity provision in highly uncertain market environment. Overall our evidence suggests that high trading regularity funds trade more frequently during periods of high uncertainty when information production and processing skill is more valuable and when the demand for liquidity …


Asymptotic Properties Of Least Squares Estimator In Local To Unity Processes With Fractional Gaussian Noises, Xiaohu Wang, Weilin Xiao, Jun Yu Dec 2020

Asymptotic Properties Of Least Squares Estimator In Local To Unity Processes With Fractional Gaussian Noises, Xiaohu Wang, Weilin Xiao, Jun Yu

Research Collection School Of Economics

This paper derives asymptotic properties of the least squares estimator of the autoregressive parameter in local to unity processes with errors being fractional Gaussian noises with the Hurst parameter H. It is shown that the estimator is consistent when H ∈ (0, 1). Moreover, the rate of convergence is n when H ∈ [0.5, 1). The rate of convergence is n2H when H ∈ (0, 0.5). Furthermore, the limit distribution of the centered least squares estimator depends on H. When H = 0.5, the limit distribution is the same as that obtained in Phillips (1987a) for the local to …


On Strategy-Proofness And The Salience Of Single-Peakedness In A Private Goods Economy, Shurojit Chatterji, Masso Jordi, Serizawa Shigehiro Dec 2020

On Strategy-Proofness And The Salience Of Single-Peakedness In A Private Goods Economy, Shurojit Chatterji, Masso Jordi, Serizawa Shigehiro

Research Collection School Of Economics

We consider strategy-proof rules operating on a rich domain of preference profiles in a set up where multiple private goods have to be assigned to a set of agents with entitlements where preferences display satiation. We show that if the rule is in addition "desirable", in that it is tops-only, continuous, same-sided and individually rational with respect to the entitlements, then the preferences in the domain have to satisfy a variant of single-peakedness (referred to as smilattice single-peakedness). We also provide a converse of this main finding. It turns our that this domain coincides with the one already identified in …


Social Media Influencers And Instagram Storytelling: Case Study Of Singapore Instagram Influencers, Mark Chong, Gottipati Swapna Dec 2020

Social Media Influencers And Instagram Storytelling: Case Study Of Singapore Instagram Influencers, Mark Chong, Gottipati Swapna

Research Collection Lee Kong Chian School Of Business

While the use of social media influencers (SMIs) by brands is becoming more widespread, the academic literature about SMI communication is still scarce. This is one of the first studies on SMI brand storytelling, using data mining and natural language processing to understand how SMIs tell brand stories on Instagram, what kinds of stories they tell, and the impact they have on follower engagement. The findings show that the "rise-fall" emotional arc was the most common story arc used by SMIs. In addition, SMIs frequently used the first-person perspective and featured themselves as the protagonists in their stories. Last, SMIs …


Motivation Purity Bias: Expression Of Extrinsic Motivation Undermines Perceived Intrinsic Motivation And Engenders Bias In Selection Decisions, Rellie Derfler-Rozin, Marko Pitesa Dec 2020

Motivation Purity Bias: Expression Of Extrinsic Motivation Undermines Perceived Intrinsic Motivation And Engenders Bias In Selection Decisions, Rellie Derfler-Rozin, Marko Pitesa

Research Collection Lee Kong Chian School Of Business

Organizational selection decisions often involve an exchange of information between candidates and decision makers as to why candidates are motivated to work in the given position. Drawing on popular management myths as our overarching framework, we theorize that candidates’ expressions of extrinsic motivation lead decision makers to infer that the candidate is less intrinsically motivated, leading to bias against such candidates. We term this effect motivation purity bias, and argue that it emerges despite ample evidence, which we review, showing that penalizing expressed extrinsic motivation is not only unfair to candidates but also counterproductive from the standpoint of maximizing future …


Quasi-Bayesian Inference For Production Frontiers, Xiaobin Liu, Thomas Tao Yang, Yichong Zhang Dec 2020

Quasi-Bayesian Inference For Production Frontiers, Xiaobin Liu, Thomas Tao Yang, Yichong Zhang

Research Collection School Of Economics

We propose a quasi-Bayesian method to conduct inference for the production frontier. This approach combines multiple first-stage extreme quantile estimates by the quasi-Bayesian method to produce the point estimate and confidence interval for the production frontier. We show the asymptotic properties of the proposed estimator and the validity of the inference procedure. The finite sample performance of our method is illustrated through simulations and an empirical application.


Decomposing Duration Dependence: Skill Depreciation Vs. Statistical Discrimination, Ismail Baydur, Jianhuan Xu Dec 2020

Decomposing Duration Dependence: Skill Depreciation Vs. Statistical Discrimination, Ismail Baydur, Jianhuan Xu

Research Collection School Of Economics

This paper develops a random matching model with unobserved worker heterogeneity and learning about worker types from unemployment duration. The model features negative duration dependence that stems from unobserved heterogeneity as well as statistical discrimination and skill depreciation. We estimate our model using micro-level data from Current Population Survey (CPS) and we decompose the contribution of each channel to job finding rates by duration. We find that shutting down statistical discrimination substantially increases the job finding rates of the long-term unemployed while skill depreciation mainly affects the medium-term unemployed.


Firm Productivity And The Variety Of Inputs And Outputs: Evidence From Chinese Trade Data, Ken Onishi, Jianhuan Xu, Guang Yang Dec 2020

Firm Productivity And The Variety Of Inputs And Outputs: Evidence From Chinese Trade Data, Ken Onishi, Jianhuan Xu, Guang Yang

Research Collection School Of Economics

This paper studies how the trade liberalization in China changes the firm productivity. We develop a framework to estimate revenue productivity (TFPR) and real productivity (TFPQ) with multi-product firms. We find that the aggregate TFPR increases 30\% from 2002-2007 and TFPQ increases 22\%, suggesting that the observed TFPR increase is mainly driven by real productivity change rather than the markup change. We further decompose the change of productivity into three channels: (1) access to foreign inputs; (2) technology upgrade; (3) resource re-allocation within the firm. We find the most significant channel is the last one, which explains half of the …


Predicting Counterproductive Work Behavior: Do Implicit Motives Have Incremental Validity Beyond Explicit Traits?, J. Malte Runge, Jonas W. B. Lang, Ingo Zettler, Filip Lievens Dec 2020

Predicting Counterproductive Work Behavior: Do Implicit Motives Have Incremental Validity Beyond Explicit Traits?, J. Malte Runge, Jonas W. B. Lang, Ingo Zettler, Filip Lievens

Research Collection Lee Kong Chian School Of Business

This study extends research on the link between personality and Counterproductive Work Behavior (CWB) by investigating whether the implicit Affiliation, Achievement, and Power motives contribute to the prediction of CWB beyond basic personality traits. Employees high in Affiliation, Achievement, and Power motives may disengage from CWB because it is not rewarding and thwarts goal attainment. In Study 1 (N = 263), we found that Affiliation predicted self-rated CWB beyond traits. In Study 2 (N = 121), we found that Affiliation and Power predicted supervisor-rated CWB. Our findings thus suggest to also consider implicit motives as personality determinants of CWB.


Enhancing Students’ Global Competence Through International Business Study Missions, Mark Chong, Benjamin Gan, Thomas Menkhoff Dec 2020

Enhancing Students’ Global Competence Through International Business Study Missions, Mark Chong, Benjamin Gan, Thomas Menkhoff

Research Collection Lee Kong Chian School Of Business

This article shares how an Asian University enhanced students’ global competence through international business study missions (BSMs). More specifically, it focuses on (i) how the design of these BSMs enabled “deep” learning beyond industry tourism and (ii) how 21st century competencies such as ‘global competence’ can be acquired through participation in short-term, faculty-led study missions.Using the case study approach, it critically analyses the learning goals and objectives, design decisions, implementation details and learning outcomes underlying three business study missions led by three instructors from the same university to the USA (New York), Germany (Berlin and Stuttgart), and South Korea (Seoul).The …


Density Of Demand And The Consumer Benefit From Uber, Matthew H. Shapiro Dec 2020

Density Of Demand And The Consumer Benefit From Uber, Matthew H. Shapiro

Research Collection School Of Economics

Uber has attracted the attention of economists and policy makers for its innovations in the taxicab market and its potential for significant consumer welfare gains. The size of this gain depends in part on whether these innovations permit transactions previously costly or infeasible. Using New York City — the largest taxi market in the country — as its context, this paper estimates the level of any technological advantage Uber has over hail taxis in matching to consumers. I combine publicly available transportation data with data scraped from Uber and traffic cameras to estimate a model of the demand for transportation …


Learning Before And During The Covid-19 Outbreak: A Comparative Analysis Of Crisis Learning In South Korea And The Us, Seulki Lee, Jungwon Yeo, Chongmin Na Dec 2020

Learning Before And During The Covid-19 Outbreak: A Comparative Analysis Of Crisis Learning In South Korea And The Us, Seulki Lee, Jungwon Yeo, Chongmin Na

Research Collection School of Social Sciences

Learning is imperative in government responses to crises like the COVID-19 pandemic. This study examines the South Korean and United States governments’ responses to COVID-19 from a comparative perspective. The analysis focuses on crisis learning conducted before and during the COVID-19 outbreak, using the conceptual categories of intercrisis/intracrisis learning and single-/double-loop learning. The findings suggest that double-loop, intercrisis learning allows for more effective crisis management by (re)developing a common operating framework. The efficacy of learning is enhanced when double-loop learning is followed by single-loop learning that embeds new structures and operational procedures. The findings also suggest that intercrisis learning facilitates …


Great Expectations: What Does It Mean To Hold And Make Space For The Arts In Singapore?, Su Fern Hoe Dec 2020

Great Expectations: What Does It Mean To Hold And Make Space For The Arts In Singapore?, Su Fern Hoe

Research Collection School of Social Sciences

The arts and artists need space to thrive. However, as much of the land in Singapore is stateowned, providing space for the arts—literally and figuratively—remains challenging. Today, there is a rich variety of arts infrastructure in Singapore, including performing arts venues, statesubsidised artist studios and co-working spaces for freelancers. However, this stateadministered infrastructure comes with expectations, as these arts spaces have been positioned as expedient policy resources capable of achieving a broad confluence of cultural, urban, economic and social outcomes for Singapore. These “great expectations” on state-initiated arts spaces and the ensuing implications are the foci of this paper. I …


Causal Change Detection In Possibly Integrated Systems: Revisiting The Money-Income Relationship, Shuping Shi, Stan Hurn, Peter C. B. Phillips Dec 2020

Causal Change Detection In Possibly Integrated Systems: Revisiting The Money-Income Relationship, Shuping Shi, Stan Hurn, Peter C. B. Phillips

Research Collection School Of Economics

This paper re-examines changes in the causal link between money and income in the United States over the past half century (1959-2014). Three methods for the data-driven discovery of change points in causal relationships are proposed, all of which can be implemented without prior detrending of the data. These methods are a forward recursive algorithm, a rolling window algorithm, and a recursive evolving algorithm all of which utilize subsample tests of Granger causality within a lagaugmented vector autoregressive framework. The limit distributions for these subsample Wald tests are provided. Bootstrap methods are developed to control family-wise size in the implementation …


The Convergence Of Water, Electricity And Gas Industries: Implications For Ppp Design And Regulation, Sock Yong Phang Dec 2020

The Convergence Of Water, Electricity And Gas Industries: Implications For Ppp Design And Regulation, Sock Yong Phang

Research Collection School Of Economics

In several countries that have privatised their utilities, power and water are separate industries regulated by sector-specific regulators. In a parallel development, desalination has become an important source of water supply in countries where there is a shortage of cheap and clean freshwater. Where the energy source is gas, the use of gas-fired power plants to supply electricity for desalination links the water, electricity and gas industries. We use the case of the financial collapse of an integrated water and power project to illustrate the problems that can arise from such convergence, and to draw lessons for firms, Public-Private Partnerships …


Testing For Structural Changes In Factor Models Via A Nonparametric Regression, Liangjun Su, Xia Wang Dec 2020

Testing For Structural Changes In Factor Models Via A Nonparametric Regression, Liangjun Su, Xia Wang

Research Collection School Of Economics

We propose a model-free test for structural changes in factor models. The basic idea is to regress the data on commonly estimated factors by local smoothing and compare the fitted values of time-varying factor loadings with those of time-invariant factor loadings estimated via principal component analysis. By construction, the test is designed to be powerful against both smooth structural changes and sudden structural breaks with a possibly unknown number of breaks and unknown break dates in the factor loadings. No restrictions on the form of alternatives or trimming of boundary regions near the beginning or end of the sample period …


Diagnostic Tests For Homoskedasticity In Spatial Cross-Sectional Or Panel Models, Badi K. Baltagi, Alain Pirotte, Zhenlin Yang Dec 2020

Diagnostic Tests For Homoskedasticity In Spatial Cross-Sectional Or Panel Models, Badi K. Baltagi, Alain Pirotte, Zhenlin Yang

Research Collection School Of Economics

We propose an Adjusted Quasi-Score (AQS) method for constructing tests for homoskedasticity in spatial econometric models. We first obtain an AQS function by adjusting the score-type function from the given model to achieve unbiasedness, and then develop an Outer-Product-of-Martingale-Difference (OPMD) estimate of its variance. In standard problems where a genuine (quasi) score vector is available, the AQS-OPMD method leads to finite sample improved tests over the usual methods. More importantly in non-standard problems where a genuine (quasi) score is not available and the usual methods fail, the proposed AQS-OPMD method provides feasible solutions. The AQS tests are formally derived and …


End-User Perceptions Of Success And Failure: Narratives From A Natural Laboratory Of Rural Electrification Projects In Malaysian Borneo, Terry Van Gevelt, T. Zaman, F. George, M.M Bennett, S.D. Fam, J.E. Kim Dec 2020

End-User Perceptions Of Success And Failure: Narratives From A Natural Laboratory Of Rural Electrification Projects In Malaysian Borneo, Terry Van Gevelt, T. Zaman, F. George, M.M Bennett, S.D. Fam, J.E. Kim

Research Collection College of Integrative Studies

Located deep in the Kelabit Highlands in Malaysian Borneo, the remote town of Bario offers us a natural laboratory of rural electrification projects through which to understand end-user perceptions of success and failure, and the factors that contribute to these perceptions. We use a case-study based approach and focus on three off-grid energy projects: a 110 kW mini-hydro power plant; a 12 kW wind turbine system; and a 1.59 MW solar-diesel hybrid system. We find that end-users primarily see the success or failure of a project in technical terms, but that this narrow conceptualization masks important interactions between technical, economic …