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Articles 31 - 60 of 75
Full-Text Articles in Management Sciences and Quantitative Methods
The Power Of Sameness, Singapore Management University
The Power Of Sameness, Singapore Management University
Perspectives@SMU
Whether it is our name, hometown or personal characteristic, our similarities could alter our reactions to service failures
To Give Or Not To Give? Choosing Chance Under Moral Conflict, Stephanie C. Lin, Taly Reich
To Give Or Not To Give? Choosing Chance Under Moral Conflict, Stephanie C. Lin, Taly Reich
Research Collection Lee Kong Chian School Of Business
Although prior research suggests that people should not prefer random chance to determine their outcomes, we propose that in the context of prosocial requests, a contingent of people prefer to rely on chance. We argue that this is because they are conflicted between losing resources (e.g., time, money) and losing moral selfregard. Across five studies, in both choices with binary outcomes (whether to volunteer) and ranges of outcomes (how much to donate), some people preferred to be randomly assigned an outcome rather than to make their own choices. This did not negatively affect prosocial behavior in binary choices and improved …
Projecting Lower Competence To Maintain Moral Warmth In The Avoidance Of Prosocial Requests, Peggy J. Liu, Stephanie C. Lin
Projecting Lower Competence To Maintain Moral Warmth In The Avoidance Of Prosocial Requests, Peggy J. Liu, Stephanie C. Lin
Research Collection Lee Kong Chian School Of Business
When faced with prosocial requests, consumers face a difficult decision between taking on the request’s burden or appearing unwarm (unkind, uncaring). We propose that the desire to refuse such requests while protecting a morally warm image leads consumers to under-represent their competence. Although consumers care strongly about being viewed as competent, five studies showed that they downplayed their competence to sidestep a prosocial request. This effect occurred across both self-reported and behavioral displays of competence. Further, the downplaying competence effect only occurred when facing an undesirable prosocial request, not a similarly undesirable proself request. The final studies showed that people …
Showcasing The Diversity Of Service Research: Theories, Methods, And Success Of Service Articles, Sabine Benoit, Katrin Scherschel, Zelal Ates, Linda Nasr, Jay Kandampully
Showcasing The Diversity Of Service Research: Theories, Methods, And Success Of Service Articles, Sabine Benoit, Katrin Scherschel, Zelal Ates, Linda Nasr, Jay Kandampully
Research Collection Lee Kong Chian School Of Business
Purpose: The purpose of this paper is to make two main contributions: first, showcase the diversity of service research in terms of the variety of used theories and methods, and second, explain (post-publication) success of articles operationalized as interest in an article (downloads), usage (citations), and awards (best paper nomination). From there, three sub-contributions are derived: stimulate a dialogue about existing norms and practices in the service field, enable and encourage openness amongst service scholars, and motivate scholars to join the field. Design/methodology/approach: A mixed method approach is used in combining quantitative and qualitative research methods while analyzing 158 Journal …
What Makes A Competent Change Manager? The Importance Of Developing The “Right” Attitudes, Siu Loon Hoe
What Makes A Competent Change Manager? The Importance Of Developing The “Right” Attitudes, Siu Loon Hoe
Research Collection School Of Computing and Information Systems
PurposeThe purpose of this paper is to highlight the importance of developing the “right” attitudes toward change.Design/methodology/approachThe viewpoint is based on more than 20 years of experience gained and insights developed through consulting projects and training conducted for numerous multinational companies and public sector organizations across Asia. An overview of international and national competency frameworks that include change management from Australia, United Kingdom, and Singapore is also presented.FindingsA competent change manager requires a combination of knowledge, skills, and attitude to effect change. While knowledge and skills have traditionally been emphasized, there is a need to develop the “right” attitude as …
The Predictive Audit: Why Prevention Is Better Than A Cure, Clarence Goh
The Predictive Audit: Why Prevention Is Better Than A Cure, Clarence Goh
Research Collection School Of Accountancy
Foreseeing potential problems can save your business from long-term headaches.
The Predictive Audit: Why Prevention Is Better Than A Cure, Clarence Goh
The Predictive Audit: Why Prevention Is Better Than A Cure, Clarence Goh
Research Collection School Of Accountancy
Foreseeing potential problems can save your business from long-term headaches.
Revisiting The Small-World Phenomenon: Efficiency Variation And Classification Of Small-World Networks, Tore Opsahl, Antoine Vernet, Tufool Alnuaimi, Gerard George
Revisiting The Small-World Phenomenon: Efficiency Variation And Classification Of Small-World Networks, Tore Opsahl, Antoine Vernet, Tufool Alnuaimi, Gerard George
Research Collection Lee Kong Chian School Of Business
Research has explored how embeddedness in small-world networks influences individual and firm outcomes. We show that there remains significant heterogeneity among networks classified as small-world networks. We develop measures of the efficiency of a network, which allow us to refine predictions associated with small-world networks. A network is classified as a small-world network if it exhibits a distance between nodes that is comparable to the distance found in random networks of similar sizeswith ties randomly allocated among nodesin addition to containing dense clusters. To assess how efficient a network is, there are two questions worth asking: (a) What is a …
What Makes Consumers Use Their Loyalty Points?, Singapore Management University
What Makes Consumers Use Their Loyalty Points?, Singapore Management University
Perspectives@SMU
Companies are utilising loyalty programs more often than ever to retain customers and boost sales. But not all of them are successful. What makes people spend their points and stay loyal to a program? A research by the Chinese University of Hong Kong (CUHK) Business School has the answer
Big Data And Data Science Methods For Management Research: From The Editors, Gerard George, Ernst C. Osinga, Dovev Lavie, Brent A. Scott
Big Data And Data Science Methods For Management Research: From The Editors, Gerard George, Ernst C. Osinga, Dovev Lavie, Brent A. Scott
Research Collection Lee Kong Chian School Of Business
The recent advent of remote sensing, mobile technologies, novel transaction systems, and high performance computing offers opportunities to understand trends, behaviors, and actions in a manner that has not been previously possible. Researchers can thus leverage 'big data' that are generated from a plurality of sources including mobile transactions, wearable technologies, social media, ambient networks, and business transactions. An earlier AMJ editorial explored the potential implications for data science in management research and highlighted questions for management scholarship, and the attendant challenges of data sharing and privacy (George, Haas & Pentland, 2014). This nascent field is evolving rapidly and at …
The Pipeline Project: Pre-Publication Independent Replications Of A Single Laboratory's Research Pipeline, Martin Schweinsberg, Nikhil Madan, Michelangelo Vianello, S.Amy Sommer, Jennifer Jordan, Et Al, Michael Schaerer
The Pipeline Project: Pre-Publication Independent Replications Of A Single Laboratory's Research Pipeline, Martin Schweinsberg, Nikhil Madan, Michelangelo Vianello, S.Amy Sommer, Jennifer Jordan, Et Al, Michael Schaerer
Research Collection Lee Kong Chian School Of Business
This crowdsourced project introduces a collaborative approach to improving the reproducibility of scientific research, in which findings are replicated in qualified independent laboratories before (rather than after) they are published. Our goal is to establish a non-adversarial replication process with highly informative final results. To illustrate the Pre-Publication Independent Replication (PPIR) approach, 25 research groups conducted replications of all ten moral judgment effects which the last author and his collaborators had “in the pipeline” as of August 2014. Six findings replicated according to all replication criteria, one finding replicated but with a significantly smaller effect size than the original, one …
Portfolio Manager Compensation And Mutual Fund Performance, Linlin Ma, Yuehua Tang, Juan-Pedro Gomez
Portfolio Manager Compensation And Mutual Fund Performance, Linlin Ma, Yuehua Tang, Juan-Pedro Gomez
Research Collection Lee Kong Chian School Of Business
We use a novel dataset to study the relation between individual portfolio manager compensation and mutual fund performance. Managers with explicit performance-based pay exhibit superior subsequent fund performance, especially when investment advisors link pay to performance over a longer time period. In contrast, alternative compensation arrangements, such as fixed salary, assets-based pay, or advisor-profits-based pay are not associated with superior performance. Our tests further show that the positive relation between performance-based contracts and fund performance is not driven by the selection of talented managers proxied by education background. Lastly, managers with performance-based pay engage less in risk-shifting activities.
New Approach To Density Estimation And Application To Value-At-Risk, Kian Guan Lim, Hao Cheng, Nelson K. L. Yap
New Approach To Density Estimation And Application To Value-At-Risk, Kian Guan Lim, Hao Cheng, Nelson K. L. Yap
Research Collection Lee Kong Chian School Of Business
The key contribution in this paper is to provide a new approach in estimating the physical distribution of the underlying asset return by using a quadratic Radon-Nikodym derivative function. The latter function transforms a fitted Variance Gamma risk-neutral distribution that is obtained from traded option prices. The generality of the VG distribution helps to avoid unnecessary mis-specification bias. The estimated empirical distribution is then used to find the risk measure of VaR. We show that possible underestimation of VaR risk using existing methods is largely not due to VaR itself but perhaps due to mis-specification errors which we minimize in …
Estimating The Reproducibility Of Psychological Science, Alexander A. Aarts, Et Al, Stephanie C. Lin
Estimating The Reproducibility Of Psychological Science, Alexander A. Aarts, Et Al, Stephanie C. Lin
Research Collection Lee Kong Chian School Of Business
Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psychology journals using high-powered designs and original materials when available. Replication effects were half the magnitude of original effects, representing a substantial decline. Ninety-seven percent of original studies had statistically significant results. Thirty-six percent of replications had statistically significant results; 47% of original effect sizes were in the 95% confidence interval of the replication effect size; 39% of effects were subjectively rated to have replicated the original result; and if …
Emerging Markets And The End Of Qe, Singapore Management University
Emerging Markets And The End Of Qe, Singapore Management University
Perspectives@SMU
Quantitative easing made it easier for emerging economies to delay necessary reforms, but policymakers are better able to manage crises than ever before
Bitcoins, Block Chains, And Mining Pools, Singapore Management University
Bitcoins, Block Chains, And Mining Pools, Singapore Management University
Perspectives@SMU
Bitcoins can help facilitate online commerce, but investors – and speculators – should understand how the cryptocurrency works
Heuristic Rules In The Field: Evidence From Royalty Shares In Scientific Teams, Reddi Kotha, Dan Lovallo
Heuristic Rules In The Field: Evidence From Royalty Shares In Scientific Teams, Reddi Kotha, Dan Lovallo
Research Collection Lee Kong Chian School of Business
Using field data from a large U.S. technology transfer organization with over $50 million in annual revenue, we investigate four related issues regarding the sharing of licensing revenues by academic teams. First, we find that the main empirical regularity is a heuristic-based allocation of shares 1/n, equal shares to all unique inventors in a single invention team, and the use of the partition dependence (PD) rule, whereby inventors receive equal share within an invention and shares across inventions included in the same contract are equal. Second, when we examine the performance consequences of such equal sharing, we find it is …
Big Data And Management: From The Editors, Gerard George, Martine R. Haas, Alex Pentland
Big Data And Management: From The Editors, Gerard George, Martine R. Haas, Alex Pentland
Research Collection Lee Kong Chian School Of Business
Big data is everywhere. In recent years, there has been an increasing emphasis on big data, business analytics, and "smart" living and work environments. Though these conversations are predominantly practice driven, organizations are exploring how large-volume data can usefully be deployed to create and capture value for individuals, businesses, communities, and governments (McKinsey Global Institute, 2011). Whether it is machine learning and web analytics to predict individual action, consumer choice, search behavior, traffic patterns, or disease outbreaks, big data is fast becoming a tool that not only analyzes patterns, but can also provide the predictive likelihood of an event.
Quantifying Expertise In Private Equity, Singapore Management University
Quantifying Expertise In Private Equity, Singapore Management University
Perspectives@SMU
Just how much is expert knowledge worth in running a private equity fund?
Global Warming, Extreme Weather Events, And Forecasting Tropical Cyclones: A Market-Based Forward-Looking Approach, Carolyn W. Chang, Jack S. K. Chang, Kian Guan Lim
Global Warming, Extreme Weather Events, And Forecasting Tropical Cyclones: A Market-Based Forward-Looking Approach, Carolyn W. Chang, Jack S. K. Chang, Kian Guan Lim
Research Collection Lee Kong Chian School Of Business
Global warming has more than doubled the likelihood of extreme weather events, e.g. the 2003 European heat wave, the growing intensity of rain and snow in the Northern Hemisphere, and the increasing risk of flooding in the United Kingdom. It has also induced an increasing number of deadly tropical cyclones with a continuing trend. Many individual meteorological dynamic simulations and statistical models are available for forecasting hurricanes but they neither forecast well hurricane intensity nor produce clear-cut consensus. We develop a novel hurricane forecasting model by straddling two seemingly unrelated disciplines — physical science and finance — based on the …
Client Strategies In Vendor Transition: A Threat Balancing Perspective, Cecil Eng Huang Chua, Wee-Kiat Lim, Christina Soh, Siew Kien Sia
Client Strategies In Vendor Transition: A Threat Balancing Perspective, Cecil Eng Huang Chua, Wee-Kiat Lim, Christina Soh, Siew Kien Sia
CCX Research
Many outsourcing contracts are expiring, and vendor transition is an increasing concern. This paper attempts to develop guidelines for vendor transition by applying balance of threat theory, which suggests a client organization should pursue either a “soft” or “hard” balancing strategy, depending on the outgoing vendor’s capability and aggressive intent to disrupt client operations. Balance of threat theory is explored across two contrasting case sites. In addition to demonstrating the relevance of balance of threat theory, the cases identify specific tactics associated with hard and soft balancing, as well as key areas of conflict in vendor transition.
Asset Performance Evaluation With Mean-Variance Ratio, Zhidong Bai, Kok Fai Phoon, Keyan Wang, Wing-Keung Wong
Asset Performance Evaluation With Mean-Variance Ratio, Zhidong Bai, Kok Fai Phoon, Keyan Wang, Wing-Keung Wong
Research Collection Lee Kong Chian School Of Business
Bai, et al. (2011c) develop the mean-variance-ratio (MVR) statistic to test the performance among assets for small samples. They provide theoretical reasoning to use MVR and prove that our proposed statistic is uniformly most powerful unbiased. In this paper we illustrate the superiority of our proposed test over the Sharpe ratio (SR) test by applying both tests to analyze the performance of Commodity Trading Advisors (CTAs). Our findings show that while the SR test concludes most of the CTA funds being analyzed as being indistinguishable in their performance, our proposed statistics show that some funds outperform the others. On the …
Switching It Outsourcing Suppliers: Enhancing Transition Readiness, Siew Kien Sia, Wee-Kiat Lim, Kanapaty Pelly Periasamy
Switching It Outsourcing Suppliers: Enhancing Transition Readiness, Siew Kien Sia, Wee-Kiat Lim, Kanapaty Pelly Periasamy
CCX Research
As IT outsourcing continues to gather momentum and mature, the decision to change suppliers at the end of a contract, or even earlier, has become an inevitable reality for many. This article sheds light on the management challenges associated with transitioning from one outsourcing supplier to another. Based on the “painful” experience of a large public-sector organization that chose not to renew its contract with a supplier that had operated its online portal and call center for five years, we provide insights into what makes a client organization “transition-ready.” We then describe the actions an organization can take before, during, …
Index-Exciting Caviar: A New Empirical Time-Varying Risk Model, Dashan Huang, Baimin Yu, Zudi Lu, Sergio Focardi, Frank Fabozzi, Masao Fukushima
Index-Exciting Caviar: A New Empirical Time-Varying Risk Model, Dashan Huang, Baimin Yu, Zudi Lu, Sergio Focardi, Frank Fabozzi, Masao Fukushima
Research Collection Lee Kong Chian School Of Business
Instead of assuming the distribution of return series, Engle and Manganelli (2004) propose a new Value-at-Risk (VaR) modeling approach, Conditional Autoregressive Value-at-Risk (CAViaR), to directly compute the quantile of an individual asset's returns which performs better in many cases than those that invert a return distribution. In this paper we explore more flexible CAViaR models that allow VaR prediction to depend upon a richer information set involving returns on an index. Specifically, we formulate a time-varying CAViaR model whose parameters vary according to the evolution of the index. The empirical evidence reported in this paper suggests that our time-varying CAViaR …
An Investigation Of Value Updating Bidders In Simultaneous Online Art Auctions, Mayukh Dass, Lynne Seymour, Srinivas K. Reddy
An Investigation Of Value Updating Bidders In Simultaneous Online Art Auctions, Mayukh Dass, Lynne Seymour, Srinivas K. Reddy
Research Collection Lee Kong Chian School Of Business
Simultaneous online auctions, in which the auction of all items being sold starts at the same time and ends at the same time, are becoming popular especially in selling items such as collectables and art pieces. In this paper, we analyze the characteristics of bidders (Reactors) in simultaneous auctions who update their pre-auction value of an item in the presence of influencing bidders (Influencers). We represent an auction as a network of bidders where the nodes represent the bidders participating in the auction and the ties between them represent an Influencer?Reactor relationship. We further develop a random effects bilinear model …
The Role Of Is Project Critical Success Factors: A Revelatory Case, Cecil Eng Huang Chua, Wee-Kiat Lim
The Role Of Is Project Critical Success Factors: A Revelatory Case, Cecil Eng Huang Chua, Wee-Kiat Lim
CCX Research
Research in Critical Success Factors (CSFs) of Enterprise Systems (ES) projects has identified numerous practitioner governance mechanisms for ensuring project success. However, such research has not developed a theory of why certain critical success factors encourage project success. Our research develops such theory on a case study where even though the levels of several critical success factors were weak, the project nevertheless succeeded. Specifically, the logistics ES project succeeded even though there was (1) only marginal top management support, (2) low key user commitment, and (3) change management, training and other critical aspects of user management and communication were not …
A Bayesian Inventory Model Using Real-Time Condition Monitoring Information, Rong Li, Jennifer Ryan
A Bayesian Inventory Model Using Real-Time Condition Monitoring Information, Rong Li, Jennifer Ryan
Research Collection Lee Kong Chian School Of Business
No abstract provided.
Deterministic Chaos In A Model Of Discrete Manufacturing, John J. Iii Bartholdi, Donald D. Eisenstein, Yun Fong Lim
Deterministic Chaos In A Model Of Discrete Manufacturing, John J. Iii Bartholdi, Donald D. Eisenstein, Yun Fong Lim
Research Collection Lee Kong Chian School Of Business
A natural extension of the bucket brigade model of manufacturing is capable of chaotic behavior in which the product intercompletion times are, in effect, random, even though the model is completely deterministic. This is, we believe, the first proven instance of chaos in discrete manufacturing. Chaotic behavior represents a new challenge to the traditional tools of engineering management to reduce variability in production lines. Fortunately, if configured correctly, a bucket brigade assembly line can avoid such pathologies.
Maximizing Throughput Of Bucket Brigades On Discrete Work Stations, Yun Fong Lim, Kum Khiong Yang
Maximizing Throughput Of Bucket Brigades On Discrete Work Stations, Yun Fong Lim, Kum Khiong Yang
Research Collection Lee Kong Chian School Of Business
One way to coordinate workers along an assembly line that has fewer workers than work stations is to form a bucket brigade. The throughput of a bucket brigade on discrete work stations may be compromised due to blocking even if workers are sequenced from slowest to fastest. For a given work distribution on the stations we find policies that maximize the throughput of the line. When workers have very different production rates, fully cross-training the workers and sequencing them from slowest to fastest is almost always the best policy. This policy outperforms other policies for most work distributions except for …
The Application Of Single-Pass Heuristics For U-Lines, Jaydeep Balakrishnan, Chun Hung Cheng, Kin Chuen Ho, Kum Khiong Yang
The Application Of Single-Pass Heuristics For U-Lines, Jaydeep Balakrishnan, Chun Hung Cheng, Kin Chuen Ho, Kum Khiong Yang
Research Collection Lee Kong Chian School Of Business
U-lines have been adopted in many manufacturing settings as part of JIT implementation. In this paper, we examine the applicability of existing straight-line heuristics for obtaining a balance on a U-line. We modify 13 single-pass heuristics and study the effectiveness of various heuristics under different problem conditions. An extensive computational study is carried out to help identify the best heuristics. In addition, we compare recent U-line procedures with a single-pass heuristic using some literature problems. Based on a single-pass heuristic, we compare the configurations of a straight- and U-line. © 2009 The Society of Manufacturing Engineers.