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Articles 31 - 60 of 162
Full-Text Articles in Social and Behavioral Sciences
How Well Can We Target Aid With Rapidly Collected Data? Empirical Results For Poverty Mapping From Cambodia, Tomoki Fujii
How Well Can We Target Aid With Rapidly Collected Data? Empirical Results For Poverty Mapping From Cambodia, Tomoki Fujii
Research Collection School Of Economics
We compare commune-level poverty rankings in Cambodia based on three different methods: small-area estimation, principal component analysis using aggregate data, and interviews with local leaders. While they provide reasonably consistent rankings, the choice of the ranking method matters. In order to assess the potential losses from moving away from census-based poverty mapping, we used the concentration curve. Our calculation shows that about three-quarters of the potential gains from geographic targeting may be lost by using aggregate data. The usefulness of aggregate data in general would depend on the cost of data collection.
The Labor Market Of Italian Politicians, Antonio Merlo, Vincenzo Galasso, Massimiliano Landi, Andrea Mattozzi
The Labor Market Of Italian Politicians, Antonio Merlo, Vincenzo Galasso, Massimiliano Landi, Andrea Mattozzi
Research Collection School Of Economics
We analyze the career profiles of Italian legislators in the post-war period. Using a unique, newly collected dataset that contains detailed information on all the politicians who have been elected to the Italian Parliament between 1948 and 2008, we address a number of important issues that pertain to their career paths prior to election to Parliament, their parliamentary careers, and their post-Parliament employment. Our data span two institutional regimes: Italy's First Republic (1948-1994) and the Second Republic (1994-present), characterized by different electoral rules and party structures. We first present a brief overview of the Italian political system. We then provide …
Schooling And Political Participation Revisited, Davin Chor, Filipe R. Campante
Schooling And Political Participation Revisited, Davin Chor, Filipe R. Campante
Research Collection School Of Economics
We investigate how the link between individual schooling and political participation is a ected by country characteristics which determine the relative productivity of human capital in political versus production activities. In our model, individuals face an e ort-allocation decision over the use of their human capital. Focusing on the role played by country factor endowments, we show that the abundance of a factor that is used in the least (respectively most) human capital-intensive sector will increase (respectively decrease) both: (i) the level of individual political participation; and (ii) the responsiveness of individual political participation to increases in human capital. We …
The Effective Reach Of Choice Of Law Agreements, Tiong Min Yeo
The Effective Reach Of Choice Of Law Agreements, Tiong Min Yeo
Research Collection Yong Pung How School Of Law
Two fundamental principles relating to party autonomy developed in the recent history of the conflict of laws. Despite initial reservations, the law today takes for granted that the parties’ agreement is nearly conclusive in respect of both their choice of litigation forum and their choice of the law governing the contractual relationship. Meanwhile, the law of obligations – in tort, restitution and equity – has grown apace; disputes between contracting parties today are rarely confined to pure contractual issues. Can contracting parties choose the law to govern non-contractual disputes in cross-border litigation? In the absence of such choice, to what …
Validity And Adverse Impact Potential Of Predictor Composite Formation, Wilfried De Corte, Filip Lievens, Paul R. Sackett
Validity And Adverse Impact Potential Of Predictor Composite Formation, Wilfried De Corte, Filip Lievens, Paul R. Sackett
Research Collection Lee Kong Chian School Of Business
Previous research on the validity and adverse impact (AI) of predictor composite formation focused on the merits of regression-based or ad hoc composites. We argue for a broader focus. Ad hoc chosen composites are usually not Pareto-optimal, whereas the regression-based composite represents only one element from the total set of Pareto-optimal composites and can, therefore, provide only limited information on the potential for validity and AI reduction of forming predictor composites when both validity and AI are of concern. In that case, other Pareto-optimal composites may provide a better benchmark to decide on the merits of the predictor composite formation. …
Improving Semiparametric Estimation By Using Surrogate Data, Song Xi Chen, Leung, Denis H. Y., Jin Qin
Improving Semiparametric Estimation By Using Surrogate Data, Song Xi Chen, Leung, Denis H. Y., Jin Qin
Research Collection School Of Economics
The paper considers estimating a parameter beta that defines an estimating function U(y, x, beta) for an outcome variable y and its covariate x when the outcome is missing in some of the observations. We assume that, in addition to the outcome and the covariate, a surrogate outcome is available in every observation. The efficiency of existing estimators for beta depends critically on correctly specifying the conditional expectation of U given the surrogate and the covariate. When the conditional expectation is not correctly specified, which is the most likely scenario in practice, the efficiency of estimation can be severely compromised …
Do Online Reviews Affect Product Sales? The Role Of Reviewer Characteristics And Temporal Effects, Nan Hu, Ling Liu, Jennifer Zhang
Do Online Reviews Affect Product Sales? The Role Of Reviewer Characteristics And Temporal Effects, Nan Hu, Ling Liu, Jennifer Zhang
Research Collection School Of Computing and Information Systems
Online product reviews provided by consumers who previously purchased products have become a major information source for consumers and marketers regarding product quality. This study extends previous research by conducting a more compelling test of the effect of online reviews on sales. In particular, we consider both quantitative and qualitative aspects of online reviews, such as reviewer quality, reviewer exposure, product coverage, and temporal effects. Using transaction cost economics and uncertainty reduction theories, this study adopts a portfolio approach to assess the effectiveness of the online review market. We show that consumers understand the value difference between favorable news and …
Very Low Fertility In Pacific Asian Countries: Causes And Policy Responses, Paulin Tay Straughan
Very Low Fertility In Pacific Asian Countries: Causes And Policy Responses, Paulin Tay Straughan
Research Collection School of Social Sciences
Only 40 years ago, population experts were still worried about a population explosion that would threaten the future of humanity. Fortunately, while population growth is currently largely under control, sub-Saharan Africa and parts of South Asia still face massive increases with very serious potential consequences. Paradoxically, however, a new problem is emerging, with its key locus in Pacific Asia (the term used in this book to refer to Asian countries with a Pacific littoral). This problem is ultra-low fertility. Japan, Singapore, Taiwan, South Korea, and Hong Kong SAR are among the very lowest-fertility countries in the whole world, and even …
Smu Institutional Repository: Knowledge Dissemination Of Research And Scholarship, Paolina Martin, Ruth A. Pagell
Smu Institutional Repository: Knowledge Dissemination Of Research And Scholarship, Paolina Martin, Ruth A. Pagell
Research Collection Library
In planning for the implementation of SMU’s Institutional Repository, we discovered significant developments on the international research and academic scene in the area of scholarly communication. The developments cover changes in the role of governments and libraries in the support of research, the development of institutional repositories as the medium for the dissemination of scholarly communication, emerging standards and protocols for knowledge harvesting, new copyright models and new perspectives on measuring and reporting research quality and output. To be recognized as a research institution of excellence in the academic world, the University needs to decide where it wants to be …
Attributionally More Complex People Show Less Punitiveness And Racism, Kim-Pong Tam, Al Au, Angela K. Y. Leung
Attributionally More Complex People Show Less Punitiveness And Racism, Kim-Pong Tam, Al Au, Angela K. Y. Leung
Research Collection School of Social Sciences
Based on past findings that attributionally more complex people make less fundamental attribution error, it was hypothesized that they would show less punitiveness and racism. In a study of 102 undergraduates, this hypothesis received robust support. The effect of attributional complexity was significant in two different punitiveness measures, a rehabilitation support measure, and two different racism measures. Also, this effect still held when demographic variables, crime victimization history, and need for cognition were statistically controlled. Moreover, attributional complexity mediated the effect of need for cognition and gender on punitiveness and racism. Theoretical implications are discussed.
A Nonparametric Hellinger Metric Test For Conditional Independence, Liangjun Su, Halbert White
A Nonparametric Hellinger Metric Test For Conditional Independence, Liangjun Su, Halbert White
Research Collection School Of Economics
We propose a nonparametric test of conditional independence based on the weighted Hellinger distance between the two conditional densities, f(y|x,z) and f(y|x), which is identically zero under the null. We use the functional delta method to expand the test statistic around the population value and establish asymptotic normality under β-mixing conditions. We show that the test is consistent and has power against alternatives at distance n−1/2h−d/4. The cases for which not all random variables of interest are continuously valued or observable are also discussed. Monte Carlo simulation results indicate that the test behaves reasonably well in …
Limit Theory For Explosively Cointegrated Systems, Peter C. B. Phillips, Tassos Magdalinos
Limit Theory For Explosively Cointegrated Systems, Peter C. B. Phillips, Tassos Magdalinos
Research Collection School Of Economics
A limit theory is developed for multivariate regression in an explosive cointegrated system. The asymptotic behavior of the least squares estimator of the cointegrating coefficients is found to depend upon the precise relationship between the explosive regressors. When the eigenvalues of the autoregressive matrix Θ are distinct, the centered least squares estimator has an exponential Θn rate of convergence and a mixed normal limit distribution. No central limit theory is applicable here, and Gaussian innovations are assumed. On the other hand, when some regressors exhibit common explosive behavior, a different mixed normal limiting distribution is derived with rate of convergence …
Regression Asymptotics Using Martingale Convergence Methods, Rustam Ibragimov, Peter C. B. Phillips
Regression Asymptotics Using Martingale Convergence Methods, Rustam Ibragimov, Peter C. B. Phillips
Research Collection School Of Economics
Weak convergence of partial sums and multilinear forms in independent random variables and linear processes and their nonlinear analogues to stochastic integrals now plays a major role in nonstationary time series and has been central to the development of unit root econometrics. The present paper develops a new and conceptually simple method for obtaining such forms of convergence. The method relies on the fact that the econometric quantities of interest involve discrete time martingales or semimartingales and shows how in the limit these quantities become continuous martingales and semimartingales. The limit theory itself uses very general convergence results for semimartingales …
When ‘Good Good’ Can Be Bad, M. Thulasidas
When ‘Good Good’ Can Be Bad, M. Thulasidas
Research Collection School Of Computing and Information Systems
Should we embrace politeness, as Hollywood would have us practise it?
Global Governance And Energy, Ann Florini
Global Governance And Energy, Ann Florini
Research Collection School of Social Sciences
Energy has risen to the top of policy agendas around the world. There is now widespread recognition that energy policy has become key to international security, economic development, and the environmental sustainability of modern civilization. Yet this importance is not reflected in the world’s institutional infrastructure for managing global problems. A handful of international organizations work in uncoordinated fashion on various pieces of the energy puzzle. No organizational infrastructure exists to support the global conversation that is now badly needed about how to move the world onto a sustainable path that provides appropriate, reliable, and affordable energy services.
Barking At The Big Dogs: South Africa's Foreign Policy Towards The Middle East, Eduard Jordaan
Barking At The Big Dogs: South Africa's Foreign Policy Towards The Middle East, Eduard Jordaan
Research Collection School of Social Sciences
This article places South Africa's foreign policy towards the Middle East in the context of the country's general foreign policy. South Africa is classified as a middle power, given its penCHANt for international 'bridge-building' and multilateralism. With regard to the Middle East, South Africa has frequently offered itself as a mediator in the region's various conflicts and continues to do so. However, the argument proposed here is that there is an 'anti-imperialist' strain in South Africa's foreign policy that renders it unlikely to be regarded as an impartial broker in the various Middle East conflicts. South Africa's middle power proclivities, …
Financial Frictions And International Trade, Ruanjai Suwantaradon
Financial Frictions And International Trade, Ruanjai Suwantaradon
Research Collection School Of Economics
This paper studies the effects of financial market imperfections on a firm’s operating and exporting decisions. I introduce financial frictions into a trade model with heterogeneous firms along the line of Melitz (2003). With the presence of financial constraints, even among a group of firms with the same productivity level, firms that are more financially constrained operate on a less efficient scale, and as a result, may no longer find operating and/or exporting profitable. In addition, financial frictions may create a distortion compared to the Melitz (2003) world since operation and export participation may be undertaken by those with better …
A Welfare Analysis Of Capital Account Liberalization, Jürgen Von Hagen, Haiping Zhang
A Welfare Analysis Of Capital Account Liberalization, Jürgen Von Hagen, Haiping Zhang
Research Collection School Of Economics
We develop a model of a small open economy with credit market frictions to analyze the consequences of capital account liberalization. We show that financial opening facilitates the inflows of cheap foreign funds and improves production efficiency. Reforms increasing labor market exibility can further improve such efficiency gains. However, capital account liberalization also has important distributional consequences. Specifically, it may be impossible to use public transfers to fully compensate the loss of those negatively affected by capital account liberalization. This explains why financial opening often meets fierce opposition even though it leads to efficiency gains for the economy as a …
On The Evaluation Of The Joint Distribution Of Order Statistics, Koon Shing Kwong, Yiu Man Chan
On The Evaluation Of The Joint Distribution Of Order Statistics, Koon Shing Kwong, Yiu Man Chan
Research Collection School Of Economics
Dunnett and Tamhane [Dunnett, C.W., Tamhane, A.C., 1992. A step-up multiple test procedure. J. Amer. Statist. Assoc. 87, 162-170.] proposed a step-up procedure for comparing k treatments with a control and showed that the step-up procedure is more powerful than its counterpart single step and step-down procedures. Since then, several modified step-up procedures have been suggested to deal with different testing environments. In order to establish those step-up procedures, it is necessary to derive approaches for evaluating the joint distribution of the order statistics. In some cases, experimenters may have difficulty in applying those step-up procedures in multiple hypothesis testing …
Time For Singapore To Relook Abortion Law, Seow Hon Tan
Time For Singapore To Relook Abortion Law, Seow Hon Tan
Research Collection Yong Pung How School Of Law
No abstract provided.
Discussion Of Do The Biggest Aisles Serve Brighter Future? Implications Of Global Retail Chains' Presence For Romania, Davin Chor, Beata Javor, Li Xue
Discussion Of Do The Biggest Aisles Serve Brighter Future? Implications Of Global Retail Chains' Presence For Romania, Davin Chor, Beata Javor, Li Xue
Research Collection School Of Economics
No abstract provided.
Smu Names New Institute After The Late Mr Sim Kee Boon, Singapore Management University
Smu Names New Institute After The Late Mr Sim Kee Boon, Singapore Management University
SMU Press Releases
No abstract provided.
Smu Celebrates Fifth Batch Of 1,167 Graduates, Singapore Management University
Smu Celebrates Fifth Batch Of 1,167 Graduates, Singapore Management University
SMU Press Releases
No abstract provided.
Time For Singapore To Relook Abortion Law, Seow Hon Tan
Time For Singapore To Relook Abortion Law, Seow Hon Tan
Research Collection Yong Pung How School Of Law
No abstract provided.
Mapping The Multi-Tiered Impacts Of The Growth Of It Industries In India: A Combined Scale-And-Scope Externalities Perspective, Robert J. Kauffman, Ajay Kumar
Mapping The Multi-Tiered Impacts Of The Growth Of It Industries In India: A Combined Scale-And-Scope Externalities Perspective, Robert J. Kauffman, Ajay Kumar
Research Collection School Of Computing and Information Systems
Externalities occur among agglomerated firms. Scale externalities occur between firms in the same industry. Scope externalities occur when heterogeneous industries are collocated. Combined scale-and-scope externalities exist when the scale of one industry is beneficial to the growth of another collocated industry. In the Sein and Haridranath (2004) framework of information technology (IT) impacts on development, scale externalities correspond to second-order impacts, while combined scale and scope eternalities correspond to third-order impacts. We use an agglomeration perspective to explain the growth of IT industries in India. We study growth patterns of four specific IT industries: computer and peripheral equipment manufacturing, semiconductor …
The New Securocracy And The "Police Concept" Of Public Sector Worker Identity, Cliff Oswick, Stephen Matthias Harney, Gerard Hanlon
The New Securocracy And The "Police Concept" Of Public Sector Worker Identity, Cliff Oswick, Stephen Matthias Harney, Gerard Hanlon
Research Collection Lee Kong Chian School Of Business
In recent years we have seen the emergence of a "new securocracy," a generalization of responsibility for fighting terror within the public sector. Here we consider the nature and extent of this securocratic shift. In particular, the identity implications for the public sector worker are explored and we contend that there is an inherent tension between "serving" and "policing" the public in many public sector jobs. We also discuss the way in which a securocratic identity is simultaneously embraced and resisted. Finally, we present some tentative insights into an alternative way of thinking about identity work, which offers a means …
On Profiling Blogs With Representative Entries, Jinfeng Zhuang, Steven C. H. Hoi, Aixin Sun
On Profiling Blogs With Representative Entries, Jinfeng Zhuang, Steven C. H. Hoi, Aixin Sun
Research Collection School Of Computing and Information Systems
With an explosive growth of blogs, information seeking in blogosphere becomes more and more challenging. One example task is to find the most relevant topical blogs against a given query or an existing blog. Such a task requires concise representation of blogs for effective and efficient searching and matching. In this paper, we investigate a new problem of profiling a blog by choosing a set of m most representative entries from the blog, where m is a predefined number that is application-dependent. With the set of selected representative entries, applications on blogs avoid handling hundreds or even thousands of entries …
A Semiparametric Stochastic Volatility Model, Jun Yu
A Semiparametric Stochastic Volatility Model, Jun Yu
Research Collection School Of Economics
This paper examines how volatility responds to return news in the context of stochastic volatility (SV) using a nonparametric method. The correlation structure in the classical leverage SV model is generalized based on a linear spline. In the new model the correlation between the return innovation and volatility innovation is dependent on the type of news arrived to the market. Theoretical properties of the proposed model are examined. A simulation-based maximum likelihood method is developed to estimate the new model. Simulations show that the estimation method provides reliable parameter estimates. The new model is fitted to daily and weekly data …
Senior Team Attributes And Organizational Ambidexterity: The Moderating Role Of Transformational Leadership, Justin J. P. Jansen, Gerard George, Frans A. J. Van Den Bosch, Henk W. Volberda
Senior Team Attributes And Organizational Ambidexterity: The Moderating Role Of Transformational Leadership, Justin J. P. Jansen, Gerard George, Frans A. J. Van Den Bosch, Henk W. Volberda
Research Collection Lee Kong Chian School Of Business
Organizations capable of pursuing exploration and exploitation simultaneously have been suggested to obtain superior performance. Combining both types of activities and achieving organizational ambidexterity, however, leads to the presence of multiple and often conflicting goals, and poses considerable challenges to senior teams in ambidextrous organizations. This study explores the role of senior team attributes and leadership behaviour in reconciling conflicting interests among senior team members and achieving organizational ambidexterity. Findings indicate that a senior team shared vision and contingency rewards are associated with a firm's ability to combine high levels of exploratory and exploitative innovations. In addition, our study shows …
Image Worship In Chinese Popular Religion, Margaret Chan
Image Worship In Chinese Popular Religion, Margaret Chan
Research Collection School of Social Sciences
No abstract provided.