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Articles 3451 - 3480 of 9289

Full-Text Articles in Social and Behavioral Sciences

Searching Activity Trajectories With Semantics, Li-Hua Yin, Huiwen Liu Jul 2019

Searching Activity Trajectories With Semantics, Li-Hua Yin, Huiwen Liu

PhD Student’s Publications Collection

With the widespread use of smart phones and mobile Internet, social network users have generated massive geo-tagged tweets, photos and videos to form lots of informative trajectories which reveal not only their spatio-temporal dynamics, but also their activities in the physical world. Existing spatial trajectory query studies mainly focus on analyzing the spatio-temporal properties of the users’ trajectories, while leaving the understanding of their activities largely untouched. In this paper, we incorporate the semantics of the activity information embedded in trajectories into query modelling and processing, with the aim of providing end users more informative and meaningful results. To this …

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Family As A Source Of Inequality Reproduction In Organizations: The Role Of Family Impact On Work In Explaining The Class Ceiling, Pooja Mishra Jul 2019

Family As A Source Of Inequality Reproduction In Organizations: The Role Of Family Impact On Work In Explaining The Class Ceiling, Pooja Mishra

Dissertations and Theses Collection (Open Access)

Being born into a poorer family is associated with lower socioeconomic attainment even when people are provided with identical educational and job opportunities, a pattern known as the “class ceiling.” The class ceiling is generated within organizations, but specific reasons causing this effect are not well understood. I propose that one important explanation why employees from poorer families do not fare as well as their more fortunate co-workers concerns differences in families themselves. I integrate research from sociology and psychology explaining challenges faced by families with scarce resources with organizational research on specific pathways through which families can interfere with …

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Exploiting Mobility For Predictive Urban Analytics & Operations, Kasthuri Jayarajah Jul 2019

Exploiting Mobility For Predictive Urban Analytics & Operations, Kasthuri Jayarajah

Dissertations and Theses Collection (Open Access)

As cities worldwide invest heavily in smart city infrastructure, it invites opportunities for a next wave of urban analytics. Unlike its predecessors, urban analytics applications and services can now be real-time and proactive -- they can (a) leverage situational data from large deployments of connected sensors, (b) capture attributes of a variety of entities that make up the urban fabric (e.g., people and their social relationships, transport nodes, utilities, etc.), and (c) use predictive insights to both proactively optimize urban operations (e.g., HVAC systems in smart buildings, buses in the transportation network, crowd-workers, etc.) and promote smarter policy decisions (e.g., …

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Singapore, Tan K. B. Eugene Jul 2019

Singapore, Tan K. B. Eugene

Research Collection Yong Pung How School Of Law

The Singapore Government recognises and is committed to legal aid as an integral part of access to justice. Sixty years ago in 1958, Singapore was the first country in Southeast Asia to enact a legal aid scheme, which provided for the establishment of the Legal Aid Bureau (LAB) to provide civil legal aid to persons of limited means. Over the course of independent Singapore’s history, legal aid as part of the overall access to justice has broadened significantly. Members of Parliament make regular calls for more people to qualify and receive government-funded legal aid. The government regards access to justice …

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Directors' Duties In Singapore: Law And Perceptions, Pearlie M. C. Koh, Hwee Hoon Tan Jul 2019

Directors' Duties In Singapore: Law And Perceptions, Pearlie M. C. Koh, Hwee Hoon Tan

Research Collection Yong Pung How School Of Law

It is trite that the law on directors' duties is an important part of corporate governance. It is therefore unsurprising that a large part of extant research in the area is focused on understanding what the law requires, and how it applies or should apply in any particular situation. Such research is however largely reactive. In our research, we set out to look at duties from the perspective of the directors, with a view to appreciating how Singapore directors understand the law as it applies to them. The impetus for this is three-fold: First, to assess the depth of awareness …

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Compensating Regulation Of Land: Uk And Singapore Compared, Seng Wei, Edward Ti Jul 2019

Compensating Regulation Of Land: Uk And Singapore Compared, Seng Wei, Edward Ti

Research Collection Yong Pung How School Of Law

The paper aims to analyse and compare how UK and Singapore deal with compensation with respect to regulation of land (short of a physical taking). The purpose is to determine whether the non-compensation in each jurisdiction is justified. A comparative method using case law, statutes and secondary material across both jurisdictions (as well as some US case law) is adopted. Both the UK and Singapore do not provide compensation when land is affected by regulation, so long as a physical taking has not occurred. Partly because of the abolition of development rights in the UK since 1947, this position may …

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The “Lessons” Of Britain’S Counterinsurgency In Malaya: An American Obsession, Wen-Qing (Wei Wenqing) Ngoei Jul 2019

The “Lessons” Of Britain’S Counterinsurgency In Malaya: An American Obsession, Wen-Qing (Wei Wenqing) Ngoei

Research Collection School of Social Sciences

This essay examines how US preoccupation with British counterinsurgency in Malaya exerted a profound impact on US Cold War policy in Vietnam and the Global South, and continues to have consequences for American interventions in the present.

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Mocked And Shamed: Satirical News And Its Effects On Organizational Reputation, Lisbeth Lim, Juliana Chia, Augustine Pang Jul 2019

Mocked And Shamed: Satirical News And Its Effects On Organizational Reputation, Lisbeth Lim, Juliana Chia, Augustine Pang

Research Collection Lee Kong Chian School Of Business

With fake news the rage (Tavernise, 2016), this study examines one form of fake news, satire news (Reilly, 2010). This study examines factors that lead satire news to be created, how they are used to criticize organizations and the impact on reputations. News on five satire news sites – The Onion (US), New Nation (Singapore), The Shovel (Australia), NewsThump (UK), and Der Postillon (Germany) – were analyzed using social media monitoring tools. Findings suggested that crises or paracrises (Coombs & Holladay, 2012) were likely to be exacerbated. While its effects are not immediate, satire news may have impact on organizations’ …

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Transparency And Dealer Networks: Evidence From The Initiation Of Post-Trade Reporting In The Mortgage Backed Security Market, Paul Schultz, Zhaogang Song Jul 2019

Transparency And Dealer Networks: Evidence From The Initiation Of Post-Trade Reporting In The Mortgage Backed Security Market, Paul Schultz, Zhaogang Song

Research Collection Lee Kong Chian School Of Business

We examine the introduction of mandatory post-trade reporting in the To-Be-Announced mortgage-backed securities market. With post-trade reporting, trading costs fell for institutional investors. Trading costs declined more for investors’ trades with peripheral dealers than for their trades with core dealers. Peripheral dealers’ market share dropped after the introduction of post-trade reporting, suggesting that opacity was protecting inefficient high-cost dealers. Interdealer trades and volume declined as transparency made it easier to find natural counterparties. Relationships between dealers became less important and, after controlling for the number of trades, dealers used more counterparties in interdealer trades.

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Glocalised Constitution-Making In The Twenty-First Century: Evidence From Asia, Maartje De Visser, Bui Ngoc Son Jul 2019

Glocalised Constitution-Making In The Twenty-First Century: Evidence From Asia, Maartje De Visser, Bui Ngoc Son

Research Collection Yong Pung How School Of Law

How have Asian nations conducted, or how are they conducting, constitution-making in the face of pressures associated with globalization, and how do they balance those forces with domestic interests and realities? This article aims to develop an analytical framework that can capture this global-local interplay. It introduces the concept of “glocalized constitution-making” to denote the co-existence and relationship between the two governance levels as manifested in the forces, actors and norms pertaining to the process of drafting a new constitution as well as its substance. Glocalization permeates the entirety of a constitution-making episode, from the impetus to initiate the process, …

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The (Re)Introduction Of Dual-Class Share Structures In Hong Kong: A Historical And Comparative Analysis, Hui Robin Huang, Wei Zhang, Siu Cheung Kelvin Lee Jul 2019

The (Re)Introduction Of Dual-Class Share Structures In Hong Kong: A Historical And Comparative Analysis, Hui Robin Huang, Wei Zhang, Siu Cheung Kelvin Lee

Research Collection Yong Pung How School Of Law

In April 2018, Hong Kong issued new listing rules to introduce the dual-class share structure, also known as weighted voting rights (WVR), under which a special class of shareholders’ voting rights are conferred disproportionately with respect to their equity interest. The WVR was used in Hong Kong in the 1980s but was banned in 1989. The debate on the WVR was rekindled by the Alibaba event in 2013. The WVR structure has benefits and costs. Thus, Hong Kong lays down relevant supporting mechanisms, including entry requirements, disclosure requirements and safeguard requirements. The WVR regime in Hong Kong appears to be …

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Tail Risk Concerns Everywhere, George P. Gao, Xiaomeng Lu, Zhaogang Song Jul 2019

Tail Risk Concerns Everywhere, George P. Gao, Xiaomeng Lu, Zhaogang Song

Research Collection Lee Kong Chian School Of Business

We show that the beta with respect to an index of global ex ante tail risk concerns (��ℝ����), which we construct using out-of-the-money options on multiple global assets, negatively drives cross-sectional return variations across asset classes, including international equity indices, foreign currencies, and government bond futures. The pricing power of ��ℝ���� becomes stronger when more asset-class-level tail risk concerns are incorporated in the index construction. ��ℝ���� also dominates asset-class-level tail risk concerns in pricing assets within each asset class. These evidences imply that the pricing effect of tail risk concerns works predominantly as a global channel. The ��ℝ���� pricing effect …

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Equivalence Of Stochastic And Deterministic Mechanisms, Yi-Chun Chen, Jiangtao Li, Jiangtao Li, Yeneng Sun Jul 2019

Equivalence Of Stochastic And Deterministic Mechanisms, Yi-Chun Chen, Jiangtao Li, Jiangtao Li, Yeneng Sun

Research Collection School Of Economics

We consider a general social choice environment that has multiple agents, a finite set of alternatives, independent types, and atomless type distribution. We show that for any Bayesian incentive compatible mechanism, there exists an equivalent deterministic mechanism that (1) is Bayesian incentive compatible; (2) delivers the same interim expected allocation probabilities and the same interim expected utilities for all agents; and (3) delivers the same ex ante expected social surplus. This result holds in settings with a rich class of utility functions, multidimensional types, interdependent valuations, and in settings without monetary transfers. To prove our result, we develop a novel …

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Limit Theory For Moderate Deviation From Integrated Garch Processes, Yubo Tao Jul 2019

Limit Theory For Moderate Deviation 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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Socioeconomic Mobility And Talent Utilization Of Workers From Poorer Backgrounds: The Overlooked Importance Of Within-Organization Dynamics, Marko Pitesa, Madan M. Pillutla Jul 2019

Socioeconomic Mobility And Talent Utilization Of Workers From Poorer Backgrounds: The Overlooked Importance Of Within-Organization Dynamics, Marko Pitesa, Madan M. Pillutla

Research Collection Lee Kong Chian School Of Business

Socioeconomic mobility, or the ability of individuals to improve their socioeconomicstanding through merit-based contributions, is a fundamental ideal of modern societies.The key focus of societal efforts to ensure socioeconomic mobility has been on the provision of educational opportunities. We review evidence that even with the same education and job opportunities, being born into a poorer family undermines socioeconomicmobility because of processes occurring within organizations. The burden of poorerbackground might, ceteris paribus, be economically comparable to the gender gap. Weargue that in the societal and scientific effort to promote socioeconomic mobility, the keycontext in which mobility is supposed to happen—organizations—and the …

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Random Mechanism Design On Multidimensional Domains, Shurojit Chatterji, Huaxia Zeng Jul 2019

Random Mechanism Design On Multidimensional Domains, Shurojit Chatterji, Huaxia Zeng

Research Collection School Of Economics

We study random mechanism design in an environment where the set of alternatives has a Cartesian product structure. We first show that all generalized random dictatorships are strategy-proof on a minimally rich domain if and only if the domain is a top-separable domain. We next generalize the notion of connectedness (Monjardet, 2009) to establish a particular class of top-separable domains: connected domains, and show that in the class of minimally rich and connected domains, the multidimensional single-peakedness restriction is necessary and sufficient for the design of a flexible random social choice function that is unanimous and strategy-proof. Such a flexible …

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Improved Marginal Likelihood Estimation Via Power Posteriors And Importance Sampling, Yong Li, Nianling Wang, Jun Yu Jul 2019

Improved Marginal Likelihood Estimation Via Power Posteriors And Importance Sampling, Yong Li, Nianling Wang, Jun Yu

Research Collection School Of Economics

The power-posterior method of Friel and Pettitt (2008) has been used to estimate the marginal likelihoods of competing Bayesian models. In this paper it is shown that the Bernstein-von Mises (BvM) theorem holds for the power posteriors under regularity conditions. Due to the BvM theorem, the power posteriors, when adjusted by the square root of the corresponding grid points, converge to the same normal distribution as the original posterior distribution, facilitating the implementation of importance sampling for the purpose of estimating the marginal likelihood. Unlike the power-posterior method that requires repeated posterior sampling from the power posteriors, the new method …

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A Quantile-Based Asset Pricing Model, Tomohiro Ando, Jushan Bai, Mitohide Nishimura, Jun Yu Jul 2019

A Quantile-Based Asset Pricing Model, Tomohiro Ando, Jushan Bai, Mitohide Nishimura, Jun Yu

Research Collection School Of Economics

It is well-known that the standard estimators of the risk premium in asset pricing models are biased when some price factors are omitted. To address this problem, we propose a novel quantile-based asset pricing model and a new estimation method. Our new asset pricing model allows for the risk premium to be quantile-dependent and our estimation method is applicable to models with unobserved factors. It avoids biased estimation results and always ensures a positive risk premium. The method is applied to the U.S., Japan, and U.K. stock markets. The empirical analysis demonstrates the clear benefits of our approach.

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Imperiled Destinies: The Daoist Quest For Deliverance In Medieval China, Alan Kam Leung Chan Jul 2019

Imperiled Destinies: The Daoist Quest For Deliverance In Medieval China, Alan Kam Leung Chan

Research Collection College of Integrative Studies

This is a work of considerable erudition, reflecting decades of research into the Daoist tradition. Imperiled Destinies offers a close reading of “the evolution of Daoist beliefs about human liability and redemption, and procedures for rescuing an ill-starred destiny” (p. 324), from the second century CE to the tenth century. More specifically, it focuses on three main phases of development in Daoist redemptive rituals. Divided into three parts, of four chapters each, it discusses in turn the “petition” (zhang) rituals in Heavenly Master Daoism (Tianshi dao), the “retreat” (zhai) rituals in Lingbao (Sacred Jewel) Daoism that gained currency during the …

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Catching Up With The ‘Core’: The Nature Of The Agricultural Machinery Sector And Challenges For Chinese Manufacturers, M. T. Safdar, Terry Van Gevelt Jul 2019

Catching Up With The ‘Core’: The Nature Of The Agricultural Machinery Sector And Challenges For Chinese Manufacturers, M. T. Safdar, Terry Van Gevelt

Research Collection College of Integrative Studies

The current era of globalisation has been accompanied by China’s rise as a major economic actor. Chinese firms are expanding their presence globally and are seeking to ‘catch-up’ with firms in developed countries across different sectors. This paper uses China’s agricultural machinery sector as a vehicle to examine the challenges faced by firms from developing countries in their effort to catch-up with ‘core firms’. Chinese firms operating in the sector struggle to compete with a small number of dominant core firms based in developed countries. These core firms are sectoral leaders with a global presence. They are continuously strengthening their …

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Vietnamese Pre-Schoolers’ Tablet Use And Early Childhood Learning: An Ecological Investigation, Becky Pham, Sun Sun Lim Jul 2019

Vietnamese Pre-Schoolers’ Tablet Use And Early Childhood Learning: An Ecological Investigation, Becky Pham, Sun Sun Lim

Research Collection College of Integrative Studies

As Vietnam’s economic growth and consumer demands continue to accelerate, more Vietnamese families are now able to acquire portable touchscreen devices such as iPads. Previous research has shown that the use of touchscreen devices can benefit preschoolers’ learning, especially within school and home settings. However, little is known about the broader sociocultural environment within which such technology adoption by families with preschoolers takes place, especially in the Global South. Guided by Bronfenbrenner’s ecology of human development, this research investigates the ecology of tablet use and early childhood learning by pre-schoolers in Vietnam through an ethnographic investigation of 42 mother-child dyads. …

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The Determinants Of Citizens’ Preference Of Policy Instruments For Environmental Policy: Do Social Trust, Government Capacity, And State-Society Relations Matter?, Beomgeun Cho, M. Jae Moon Jul 2019

The Determinants Of Citizens’ Preference Of Policy Instruments For Environmental Policy: Do Social Trust, Government Capacity, And State-Society Relations Matter?, Beomgeun Cho, M. Jae Moon

Research Collection School of Social Sciences

This study aims to investigate the determinants of citizens’ preferences for policy instruments. In particular, this study examines the impacts of social trust, government capacity, and the state-society relationship on citizens’ preferences for policy instruments. To test the relationships among those variables, the study utilizes data from the ISSP (International Social Survey Program) Environmental III 2010, which includes 32 countries. The results show that regardless of policy target groups, social trust makes citizens prefer market-based policy instruments most, and a high level of government capacity leads citizens to favor indirect policy instruments over regulation. The influence of the state-society relationship …

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Panel Threshold Regressions With Latent Group Structures, Ke Miao, Liangjun Su, Wendun Wang Jul 2019

Panel Threshold Regressions With Latent Group Structures, Ke Miao, Liangjun Su, Wendun Wang

Research Collection School Of Economics

In this paper, we consider the least squares estimation of a panel structure threshold re-gression (PSTR) model where both the slope coefficients and threshold parameters may exhibit latent group structures. We study the asymptotic properties of the estimators of the latent group structure and the slope and threshold coefficients. We show that we can estimate the latent group structure correctly with probability approaching 1 and the estimators of the slope and threshold coefficients are asymptotically equivalent to the infeasible estimators that are obtained as if the true group structures were known. We study likelihood-ratio-based inferences on the group-specific threshold parameters …

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Bilingualism Narrows Socioeconomic Disparities In Executive Functions And Self-Regulatory Behaviors During Early Childhood: Evidence From The Early Childhood Longitudinal Study, Andree Hartanto, Wei Xing Toh, Hwajin Yang Jul 2019

Bilingualism Narrows Socioeconomic Disparities In Executive Functions And Self-Regulatory Behaviors During Early Childhood: Evidence From The Early Childhood Longitudinal Study, Andree Hartanto, Wei Xing Toh, Hwajin Yang

Research Collection School of Social Sciences

Socioeconomic status (SES) and bilingualism have been shown to influence executive functioning during early childhood. Less is known, however, about how the two factors interact within an individual. By analyzing a nationally representative sample of approximately 18,200 children who were tracked from ages 5 to 7 across four waves, both higher SES and bilingualism were found to account for greater performance on the inhibition and shifting aspects of executive functions (EF) and self‐regulatory behaviors in classroom. However, only SES reliably predicted verbal working memory. Furthermore, bilingualism moderated the effects of SES by ameliorating the detrimental consequences of low‐SES on EF …

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Why And How Public Trust Matters, David Chan Jul 2019

Why And How Public Trust Matters, David Chan

Research Collection School of Social Sciences

To build high trust cities, governments need to better understand the relationships linking people, leaders and the cities they inhabit. Behavioural scientist Professor David Chan explains the psychology of public trust.

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Subverting Institutions: Derrida And Zhuangzi On The Power Of Institutions, Steven Burik Jul 2019

Subverting Institutions: Derrida And Zhuangzi On The Power Of Institutions, Steven Burik

Research Collection School of Social Sciences

This paper shows how both Jacques Derrida and Zhuangzi use their respective ways of subverting philosophical systems, by and large through language systems, to arrive at an (implicit or explicit) subversion of political power or political systems or institutions. Political institutions are presented as including more general institutions such as the media, press, and academic and other kinds of institutions that influence the way our societies function, the way we live, work, and think. The paper first highlights the similarities and differences in the application of subversive techniques in Derrida and Zhuangzi as they battle against their respective opponents. After …

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Policy Effectiveness And Capacity: Two Sides Of The Design Coin, Ishani Mukherjee, Azad S. Bali Jul 2019

Policy Effectiveness And Capacity: Two Sides Of The Design Coin, Ishani Mukherjee, Azad S. Bali

Research Collection School of Social Sciences

Policy capacity and effectiveness are two themes that have opened new pathways for academic and empirical enquiry throughout the policy sciences. In the contemporary discourse of policy design, effectiveness has taken on a more foundational meaning that goes beyond what is understood as only the attainment of specific policy goals. Rather, it has come to occupy a central position in the study of policy design, signifying the broader logic of deliberate policy action used to articulate policy problems and present alternative ways of addressing them. Effectiveness thus signals both effectual processes as well as successful policy outcomes. However, what constitutes …

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Falling For Falsehoods: A Diet For Prevention, Wei Teck Ong, Andree Hartanto Jul 2019

Falling For Falsehoods: A Diet For Prevention, Wei Teck Ong, Andree Hartanto

Research Collection School of Social Sciences

Consuming information in a discerning manner can help us resist dubious claims.

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Virtuous Testimonial Belief In Young Children, Shane Ryan Jul 2019

Virtuous Testimonial Belief In Young Children, Shane Ryan

Research Collection School of Social Sciences

I lay out the challenge posed by testimonial knowledge in young children to virtue reliabilist accounts of knowledge. In particular, I examine accounts from Greco and Pritchard and argue that those accounts are too demanding. More specifically, I make the case that young children can have testimonial knowledge without meeting the ability requirements claimed by Greco and Pritchard. As a virtue theoretic alternative, I argue that an agent's belief must be epistemically virtuous, but that this may sometimes involve belief from a trait rather than an ability.

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Responsible And Sustainable Business, Singapore Management University Jun 2019

Responsible And Sustainable Business, Singapore Management University

Perspectives@SMU

The Tanoto Foundation builds on the United Nations Sustainable Development Goals for a win-win solution

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