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Singapore Management University

2001

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Articles 31 - 51 of 51

Full-Text Articles in Social and Behavioral Sciences

Mapping The Discipline Of The Olympic Games: An Author Cocitation Analysis, Peter Warning, Rosie Ching, Kristine Toohey Apr 2001

Mapping The Discipline Of The Olympic Games: An Author Cocitation Analysis, Peter Warning, Rosie Ching, Kristine Toohey

Research Collection School Of Economics

The authors conducted an author cocitation analysis on prominent authors writing about the Olympics during the 1990s. Author cocitation is an established bibliometric technique that can be used to measure the relative similarities of topics written about by the cited authors. This enables a visual representation of the “intellectual space” of the discipline, in this case the Olympics, to be created for the period under review. So core and peripheral research areas are identified, along with their major contributors. The representation appears as a two-dimensional cluster-enhanced map. Subject expertise was then applied to the results to place labels on the …

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Validation Of Tissue Microarrays For Immunohistochemical Profiling Of Cancer Specimens Using The Example Of Human Fibroblastic Tumors, Axel Hoos, M. J. Urist, A. Stojadinovic, S. Mastorides, M. Dudas, Denis H. Y. Leung Apr 2001

Validation Of Tissue Microarrays For Immunohistochemical Profiling Of Cancer Specimens Using The Example Of Human Fibroblastic Tumors, Axel Hoos, M. J. Urist, A. Stojadinovic, S. Mastorides, M. Dudas, Denis H. Y. Leung

Research Collection School Of Economics

Tissue microarrays allow high-throughput molecular profiling of cancer specimens by immunohistochemistry. Phenotype information of sections from arrayed biopsies on a multitissue block needs to be representative of full sections, as protein expression varies throughout the entire tumor specimen. To validate the use of tissue microarrays for immunophenotyping, we studied a group of 59 fibroblastic tumors with variable protein expression patterns by immunohistochemistry for Ki-67, p53, and the retinoblastoma protein (pRB). Data on full tissue sections were compared to the results of one, two, and three 0.6-mm core biopsies per tumor on a tissue array. Ki-67 and p53 staining was read …

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… But What Does 'Blue' Smell Like? Review Of J. Harrison, Synaesthesia: The Strangest Thing, Ilya Farber Apr 2001

… But What Does 'Blue' Smell Like? Review Of J. Harrison, Synaesthesia: The Strangest Thing, Ilya Farber

Research Collection School of Social Sciences

Reviews the book 'Synaesthesia: The Strangest Thing', by John Harrison.

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Optimal Designs For Evaluating A Series Of Treatments, Denis H. Y. Leung, You Gan Wang Mar 2001

Optimal Designs For Evaluating A Series Of Treatments, Denis H. Y. Leung, You Gan Wang

Research Collection School Of Economics

Several articles in this journal have studied optimal designs for testing a series of treatments to identify promising ones for further study. These designs formulate testing as an ongoing process until a promising treatment is identified. This formulation is considered to be more realistic but substantially increases the computational complexity. In this article, we show that these new designs, which control the error rates for a series of treatments, can be reformulated as conventional designs that control the error rates for each individual treatment. This reformulation leads to a more meaningful interpretation of the error rates and hence easier specification …

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Singapore Management University Undergraduates Do Community Service As Part Of Curriculum, Singapore Management University Feb 2001

Singapore Management University Undergraduates Do Community Service As Part Of Curriculum, Singapore Management University

SMU Press Releases

No abstract provided.

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Singapore Management University Students Adopt And Raise Funds For The Baby Orang Utan, Singapore Management University Feb 2001

Singapore Management University Students Adopt And Raise Funds For The Baby Orang Utan, Singapore Management University

SMU Press Releases

No abstract provided.

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Forecasting Volatility: Evidence From The German Stock Market, Hagen H. W. Bluhm, Jun Yu Feb 2001

Forecasting Volatility: Evidence From The German Stock Market, Hagen H. W. Bluhm, Jun Yu

Research Collection School Of Economics

In this paper we compare two basic approaches to forecast volatility in the German stock market. The first approach uses various univariate time series techniques while the second approach makes use of volatility implied in option prices. The time series models include the historical mean model, the exponentially weighted moving average (EWMA) model, four ARCH-type models and a stochastic volatility (SV) model. Based on the utilization of volatility forecasts in option pricing and Value-at-Risk (VaR), various forecast horizons and forecast error measurements are used to assess the ability of volatility forecasts. We show that the mode lrankings are sensitive to …

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Singapore Management University Report To Stakeholders 2001 - 2002, Singapore Management University Jan 2001

Singapore Management University Report To Stakeholders 2001 - 2002, Singapore Management University

Report to Stakeholders

If the first year of incorporation was the paving of the foundation for SMU, the second year was one of laying the first building blocks. For the university, this was a year for surging ahead – of exploration and adventure. With a sizeable student population, a faculty of international repute and two schools going on three, SMU is growing from strength to strength at an unbelievable rate. But beyond sheer numbers, I sense and see a spirit of fervour and adventure in the work of students, faculty and staff in every corner of this institution that we have founded. Our …

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Singapore Management University First Patron's Day -- President Sr Nathan Attends Lectures At Evans Road Campus, Singapore Management University Jan 2001

Singapore Management University First Patron's Day -- President Sr Nathan Attends Lectures At Evans Road Campus, Singapore Management University

SMU Press Releases

No abstract provided.

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Statistical Methods For Clinical Studies In The Presence Of Surrogate End Points, Denis H. Y. Leung Jan 2001

Statistical Methods For Clinical Studies In The Presence Of Surrogate End Points, Denis H. Y. Leung

Research Collection School Of Economics

The use of surrogate end points has become increasingly common in medical and biological research. This is primarily because, in many studies, the primary end point of interest is too expensive or too difficult to obtain. There is now a large volume of statistical methods for analysing studies with surrogate end point data. However, to our knowledge, there has not been a comprehensive review of these methods to date. This paper reviews some existing methods and summarizes the strengths and weaknesses of each method. It also discusses the assumptions that are made by each method and critiques how likely these …

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An Empirical Investigation Into Long- And Short-Term Indebtedness, Hing-Man Leung Jan 2001

An Empirical Investigation Into Long- And Short-Term Indebtedness, Hing-Man Leung

Research Collection School Of Economics

The external debt position of a country often lies at the heart of her financial crisis. While it is well-known that indebtedness and in particular a surge in short-term debts often precipitate a debt crisis that is often made worse by runs on a country’s foreign exchange, the reasons why a country takes a particular debt position is rarely formally explained. This paper investigates the long-term determinants of international indebtedness, the time-rates of change of indebtedness, and a nation’s short- to long term debt ratio. The data set used is the World Data CD-ROM. Six potential explanatory variables are: size, …

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Education And Citizenship In Diverse Societies, Chandran Kukathas Jan 2001

Education And Citizenship In Diverse Societies, Chandran Kukathas

Research Collection School of Social Sciences

The question of the state's role in the control of sponsorship of education is addressed in the light of liberal political principles designed to keep peace and enforce toleration in culturally diverse societies. Some contemporary, self-described liberal philosophers argue for a much more substantial educational role for the state than liberal principles will really allow. Brian Barry's argument for that role assumes that the state can prescribe answers to controversial questions regarding the truth and the good life in which a truly liberal state would take no interest. Stephen Macedo is more accommodating to religious diversity than Barry, but his …

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The Statutory Derivative Action In Singapore: A Critical And Comparative Examination, Pearlie Koh Jan 2001

The Statutory Derivative Action In Singapore: A Critical And Comparative Examination, Pearlie Koh

Research Collection Yong Pung How School Of Law

As a mechanism for shareholder control of corporate wrongs and thus as a tool of corporate governance, the statutory derivative action has had much international attention given to it, particularly in the last 10 years. Singapore introduced its statutory derivative action in 1993 and since then, there have been two reported cases in which the action was invoked. In this paper, I consider the Singapore derivative action as contained in sections 216A and 216B of the Singapore Companies Act. The approach taken is a comparative one as I also look at the statutory derivative actions in Australia and other common …

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Information And Communication Technology And Poverty: An Asian Perspective, M. G. Quibria, Feichin, Ted Tschang Jan 2001

Information And Communication Technology And Poverty: An Asian Perspective, M. G. Quibria, Feichin, Ted Tschang

Research Collection Lee Kong Chian School Of Business

Many commentators have extolled the virtues of new information and communication technologies (ICTs) in reducing poverty and improving the quality of life. While such arguments have been used before in relation to many predecessor technologies, including other earlier communications technologies, the promise has often floundered. This paper attempts to provide a more balanced analysis of the question, by exploring the linkages between the new ICTs and poverty reduction. It examines the linkages in two ways: the potential for direct impacts of ICTs on various areas of poverty and development, and the indirect impacts of ICTs on economic growth, exports and …

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Do Stock Returns Follow A Finite Variance Distribution?, Q. M. Shao, H. Yu, Jun Yu Jan 2001

Do Stock Returns Follow A Finite Variance Distribution?, Q. M. Shao, H. Yu, Jun Yu

Research Collection School Of Economics

In this paper we propose a test statistic to discriminate between models with finite variance and models with infinite variance. The test statistic is the ratio of the sample standard deviation and the sample interquartile range. Both asymptotic and finite sample properties of the test statistic are discussed. We show that the test has good power properties against infinite-variance distributions and has small size distortions in finite samples. The statistic is applied to compare the competing models for S&P 500 index returns. Our test cannot reject most distributions with finite variance for both a pre-crash sample and a post-crash sample, …

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A Bayesian Decision Approach For Sample Size Determination In Phase Ii Trials, Denis H. Y. Leung, You-Gan Wang Jan 2001

A Bayesian Decision Approach For Sample Size Determination In Phase Ii Trials, Denis H. Y. Leung, You-Gan Wang

Research Collection School Of Economics

Stallard (1998, Biometrics54, 279–294) recently used Bayesian decision theory for sample-size determination in phase II trials. His design maximizes the expected financial gains in the development of a new treatment. However, it results in a very high probability (0.65) of recommending an ineffective treatment for phase III testing. On the other hand, the expected gain using his design is more than 10 times that of a design that tightly controls the false positive error (Thall and Simon, 1994, Biometrics50, 337–349). Stallard's design maximizes the expected gain per phase II trial, but it does not maximize the rate of gain or …

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The Asian Economic Crisis: The Way Ahead For Singapore, Augustine H. H. Tan Jan 2001

The Asian Economic Crisis: The Way Ahead For Singapore, Augustine H. H. Tan

Research Collection School Of Economics

No abstract provided.

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Can A Liberal Society Tolerate Illiberal Elements?, Chandran Kukathas Jan 2001

Can A Liberal Society Tolerate Illiberal Elements?, Chandran Kukathas

Research Collection School of Social Sciences

Libertarians believe that all individuals are entitledto live as they choose, free from interference byother persons or by the state. They also believethat in the absence of such interference, whether bygovernment or other agents of the state intent ondesigning or planning for society as a whole, order willnonetheless prevail. Given the freedom to contract andexchange, markets will coordinate the production anddistribution of goods — and indeed do so better thanany other institution can.

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Linguistic Gender Is Related To Psychological Gender: The Case Of Chinese Characters, Yuk-Yue Tong, Chi-Yue Chiu, Ho-Ying Fu Jan 2001

Linguistic Gender Is Related To Psychological Gender: The Case Of Chinese Characters, Yuk-Yue Tong, Chi-Yue Chiu, Ho-Ying Fu

Research Collection School of Social Sciences

Past research (Ervin, 1972; Konishi, 1993) suggests that a noun's linguistic gender is not just an arbitrary, semantically-empty linguistic category. Rather it may connote masculine or feminine properties, and thus can subtly influence responses to the noun and its referent. The present study extended this research by exploring how gendered radicals of nonsense Chinese characters might affect the characters' connotations. The results showed that when an unfamiliar Chinese character is encountered, meaning interpretation can be affected by the meaning of the radicals. Moreover, since gendered Chinese radicals are linked to share representations of psychological gender, such as representation may then …

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Social Logic As Business Logic: Guanxi, Trustworthiness And The Embeddedness Of Chinese Business Practices, Wai Keung Chung, Gary Hamilton Jan 2001

Social Logic As Business Logic: Guanxi, Trustworthiness And The Embeddedness Of Chinese Business Practices, Wai Keung Chung, Gary Hamilton

Research Collection School of Social Sciences

This chapter explores the nature of Chinese business practices by looking at their social foundations. We argue that the use of an inter-subjective logic based on the norms of social relationships provides an institutional foundation for economic transactions in Chinese business settings. The logic of social relationships-or what we call guanxi logic-is embedded in daily practices of the Chinese business community. Rather than making economic decisions less "economic", relational rules embedded in guanxi places interpersonal business transactions within a prescriptive framework, thereby increasing the calculability of economic outcomes. Guanxi logic is, therefore, a socially meaningful way to enhance economic rationality. …

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Probabilistic Principles In Unsupervised Learning Of Visual Structure: Human Data And A Model, Shimon Edelman, Benjamin P. Hiles, Hwajin Yang, Nathan Intrator Jan 2001

Probabilistic Principles In Unsupervised Learning Of Visual Structure: Human Data And A Model, Shimon Edelman, Benjamin P. Hiles, Hwajin Yang, Nathan Intrator

Research Collection School of Social Sciences

To find out how the representations of structured visual objects depend on the co-occurrence statistics of their constituents, we exposed subjects to a set of composite images with tight control exerted over (1) the conditional probabilities of the constituent fragments, and (2) the value of Barlow's criterion of "suspicious coincidence" (the ratio of joint probability to the product of marginals). We then compared the part verification response times for various probe/target combinations before and after the exposure. For composite probes, the speedup was much larger for targets that contained pairs of fragments perfectly predictive of each other, compared to those …

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