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Articles 1 - 30 of 30
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On-Site Sensory Experience Boosts Acceptance Of Cultivated Chicken, Mark Chong, Angela K. Y. Leung, Tricia Marjorie Fernandez
On-Site Sensory Experience Boosts Acceptance Of Cultivated Chicken, Mark Chong, Angela K. Y. Leung, Tricia Marjorie Fernandez
Research Collection Lee Kong Chian School Of Business
This study set out to assess if presenting cultivated chicken in the context of a familiar meal, in a familiar dining setting, would motivate repeat consumption and recommendation. A survey of 107 diners was conducted at Huber's Butchery and Bistro in Singapore – the world's first butchery to serve cultivated meat – from April to June 2023. The findings showed that eating cultivated chicken significantly boosted post-consumption acceptance levels. In addition, cultivated chicken's tastiness may be a more important factor than its integration into a familiar meal or dish in fostering repeat consumption. Implications for the cultivated meat industry, limitations, …
Do Firms With Technological Capabilities Rush In? Evidence From The Timing Of Licensing Of Stanford Inventions, Young-Choon Kim, Reddi Kotha, Mooweon Rhee
Do Firms With Technological Capabilities Rush In? Evidence From The Timing Of Licensing Of Stanford Inventions, Young-Choon Kim, Reddi Kotha, Mooweon Rhee
Research Collection Lee Kong Chian School Of Business
This study investigates the influence of licensees’ technological capabilities on the timing of technology licensing in university technology commercialization. Drawing on the appropriation-collaboration tension from the literature on university technology licensing and intellectual property management, we propose that while the licensee’s technological capabilities drive early licensing by averting technological obsolescence, this effect diminishes significantly with an overlap in the technological domain of the focal invention due to expropriation concerns. Cox regression analysis of Stanford University’s invention dataset confirmed our hypotheses. This research reveals that technology licensing experiences delays with the most suitable licensees, namely, those with strong technological capabilities in …
Untangling Influence: The Effect Of Follower-Followee Comparison On Social Media Engagement, Yi Peng, Liling Lu
Untangling Influence: The Effect Of Follower-Followee Comparison On Social Media Engagement, Yi Peng, Liling Lu
Research Collection Lee Kong Chian School Of Business
Social media platforms and marketers are keen on identifying truly influential creators. Number of followers (i.e., those who follow creators) and number of followees (i.e., those who are followed by creators) serve as cues to infer creators' influence. However, a cue of creators' actual influence is under-addressed and its effect on social media engagement remains to be explored. This research fills the gap in the literature by investigating how the cue of creators' actual influence (i.e., follower-followee comparison) may affect followers' engagement behavior. The study further examines the moderation effects of media-, topic-, and creator-related factors. The present work leverages …
Nationalist Sentiments And The Multinational Enterprise: Insights From Organizational Sociology, Jesper Edman, Ilya R. P. Cuypers, Gokhan Ertug, Ruth V. Aguilera
Nationalist Sentiments And The Multinational Enterprise: Insights From Organizational Sociology, Jesper Edman, Ilya R. P. Cuypers, Gokhan Ertug, Ruth V. Aguilera
Research Collection Lee Kong Chian School Of Business
International business scholars have recognized the impact of political and economic nationalism on the multinational enterprise (MNE). We complement these approaches by highlighting the sociological manifestations of nationalism and their implications for the MNE. We argue that nationalist sentiments, i.e. widely-shared assumptions of superiority over other nations and cultures, constitute an under-researched but critical element in international business (IB). Drawing insights from organizational sociology, we elucidate how nationalist sentiments manifest in the MNE’s external and internal environment. Specifically, we suggest that nationalist sentiments accentuate national institutional logics, generate status-based categorizations of foreign and domestic firms, and heighten emphasis on national …
The Status Of Status Research: A Review Of The Types, Functions, Levels And Audiences, Matteo Prato, Gokhan Ertug, Fabrizio Castellucci, Tengjian Zou
The Status Of Status Research: A Review Of The Types, Functions, Levels And Audiences, Matteo Prato, Gokhan Ertug, Fabrizio Castellucci, Tengjian Zou
Research Collection Lee Kong Chian School Of Business
Our review of 154 articles published over the last decade portrays an evolution of status research. This body of literature has transitioned from viewing status as a monolithic construct to appreciating its inherently multidimensional nature, characterized by diverse types, functions, levels, and audience structures. Although this shift has expanded our knowledge, it has also introduced increased complexity and fragmentation. To systematize this scattered work on a multifaceted view of status, we develop a comprehensive framework that integrates the diverse research findings. For each constituent part of this framework, we review key themes and insights in the literature and outline future …
Covid-19 And Management Scholarship: Lessons For Conducting Impactful Research, Gerard George, Gokhan Ertug, Jonathan P. Doh, Johanna Mair, Ajnesh Prasad
Covid-19 And Management Scholarship: Lessons For Conducting Impactful Research, Gerard George, Gokhan Ertug, Jonathan P. Doh, Johanna Mair, Ajnesh Prasad
Research Collection Lee Kong Chian School Of Business
The COVID-19 pandemic provided an opportunity for management scholars to address large-scale and complex societal problems and strive for greater practical and policy impact. A brief overview of the most-cited work on COVID-19 reveals that, compared with their counterparts in other disciplines, leading management journals and professional associations lagged in providing a platform for high-impact research on COVID-19. To help management research play a more active role in responding to similar global challenges in the future, we propose an integrative framework that emphasizes a phenomenon’s impact, the conditions that the phenomenon creates at multiple levels, and the responses of actors …
Siphoned Apart: A Portfolio Perspective On Order Flow Segmentation, Markus Baldauf, Joshua Mollner, Bart Zhou Yueshen
Siphoned Apart: A Portfolio Perspective On Order Flow Segmentation, Markus Baldauf, Joshua Mollner, Bart Zhou Yueshen
Research Collection Lee Kong Chian School Of Business
We study liquidity supply in fragmented markets. Market makers intermediate heterogeneous order flows, trading off spread revenue against inventory costs. Applying our model to payment for order flow (PFOF), we demonstrate that portfolio-based considerations of inventory management incentivize market makers to segment retail orders by siphoning them off-exchange. Banning order flow segmentation reduces total welfare, can make trading more costly for all investors, and can resolve a prisoner's dilemma among market makers. These results differentiate our inventory-based model from the existing information-based theories of PFOF.
Designing Pareto-Optimal Selection Systems For Multiple Minority Subgroups And Multiple Criteria, Wilfried De Corte, Paul R. Sackett, Filip Lievens
Designing Pareto-Optimal Selection Systems For Multiple Minority Subgroups And Multiple Criteria, Wilfried De Corte, Paul R. Sackett, Filip Lievens
Research Collection Lee Kong Chian School Of Business
Currently used Pareto-optimal (PO) approaches for balancing diversity and validity goals in selection can deal only with one minority group and one criterion. These are key limitations because the workplace and society at large are getting increasingly diverse and because selection system designers often have interest in multiple criteria. Therefore, the article extends existing methods for designing PO selection systems to situations involving multiple criteria and multiple minority groups (i.e., multiobjective PO selection systems). We first present a hybrid multiobjective PO approach for computing selection systems that are PO with respect to (a) a set of quality objectives (i.e., criteria) …
The Influence Of Societal Nationalist Sentiment On Trade Flows, Douglas Dow, Ilya Cuypers
The Influence Of Societal Nationalist Sentiment On Trade Flows, Douglas Dow, Ilya Cuypers
Research Collection Lee Kong Chian School Of Business
In recent years, the world has witnessed a backlash against globalization and a rise in populist and nationalist movements around the world. However, there appears to be little empirical research concerning how these movements, and especially nationalist sentiment, actually influence trade. Therefore, we explore how and when nationalist sentiment within a country influences trade. Our results indicate that the effect of nationalist sentiment on imports is mediated by lower participation in free trade agreements (FTAs) but not via tariffs. Furthermore, we are unable to confirm support for a direct effect of nationalist sentiment on imports, as predicted by the consumer …
My Manager Endorsed My Coworkers’ Voice: Understanding Observers’ Positive And Negative Reactions To Managerial Endorsement Of Coworker Voice., Emily Poulton, Szu-Han Joanna Lin, Shereen Fatimah, Cony Ho, Lance Ferris, Russell Johnson
My Manager Endorsed My Coworkers’ Voice: Understanding Observers’ Positive And Negative Reactions To Managerial Endorsement Of Coworker Voice., Emily Poulton, Szu-Han Joanna Lin, Shereen Fatimah, Cony Ho, Lance Ferris, Russell Johnson
Research Collection Lee Kong Chian School Of Business
Research on managerial voice endorsement has primarily focused on the processes and conditions through which voicers receive their managers’ endorsement. We shift this focus away from the voicers, focusing instead on the dual reactions that endorsement generates for observing employees. Drawing from an approach-avoidance framework, we propose that managerial endorsement of coworker voice could be perceived as a positive and negative stimulus for observers, prompting them to approach opportunities and avoid threats, respectively. Results from a pre-registered experiment and a multi-wave, multi-source field study revealed that managerial endorsement of coworker voice was positively related to observers’ voice instrumentality, thus prompting …
Math Word Problem Generation Via Disentangled Memory Retrieval, Wei Qin, Xiaowei Wang, Zhenzhen Hu, Lei Wang, Yunshi Lan, Richang Hong
Math Word Problem Generation Via Disentangled Memory Retrieval, Wei Qin, Xiaowei Wang, Zhenzhen Hu, Lei Wang, Yunshi Lan, Richang Hong
Research Collection Lee Kong Chian School Of Business
The task of math word problem (MWP) generation, which generates an MWP given an equation and relevant topic words, has increasingly attracted researchers’ attention. In this work, we introduce a simple memory retrieval module to search related training MWPs, which are used to augment the generation. To retrieve more relevant training data, we also propose a disentangled memory retrieval module based on the simple memory retrieval module. To this end, we first disentangle the training MWPs into logical description and scenario description and then record them in respective memory modules. Later, we use the given equation and topic words as …
How Deep-Level And Surface-Level Board Diversity, Formal And Informal Social Structures Affect Innovation, Guoli Chen, Po-Hsuan Hsu, Yen Teik Lee, Daniel Z. Mack
How Deep-Level And Surface-Level Board Diversity, Formal And Informal Social Structures Affect Innovation, Guoli Chen, Po-Hsuan Hsu, Yen Teik Lee, Daniel Z. Mack
Research Collection Lee Kong Chian School Of Business
Despite a growing interest in understanding how board diversity shapes firms’ innovation, findings about the impact of board diversity have remained mixed. In this paper, we conceptualize board diversity as two forms – deep-level and surface-level – and find that these two forms of board diversity have opposing effects on a firm's innovation. We also theorize how formal and informal social structures can strengthen the positive effect of deep-level diversity yet simultaneously weaken the negative impact of surface-level diversity. We test our hypotheses with a panel of 42,432 firm-year observations from 2000 to 2019. Our paper contributes to the literature …
Envy Influences Interpersonal Dynamics And Team Performance: Roles Of Gender Congruence And Collective Team Identification, Kenneth Tai, Sejin Keem, Ki Young Lee, Eugene Kim
Envy Influences Interpersonal Dynamics And Team Performance: Roles Of Gender Congruence And Collective Team Identification, Kenneth Tai, Sejin Keem, Ki Young Lee, Eugene Kim
Research Collection Lee Kong Chian School Of Business
Our research extends past envy research by considering how envy and gender congruence shape interpersonal dynamics at the dyadic level and their bottom-up effects for team performance. Integrating social comparison theory and social identity theory, we examine when and how dyadic level envy influences team performance. Using time-lagged data from 428 dyads of 161 employees in 51 teams, our results show that envious employees are likely to engage in interpersonal deviance directed toward envied team members and that envied employees are likely to seek advice from envious team members. Gender congruence further influences these relationships, with different patterns for males …
Association Between Hba1c And Deep Sternal Wound Infection After Coronary Artery Bypass: A Systematic Review And Meta-Analysis, Wenyu Zhao, Jingui Xie, Zhichao Zheng, Han Zhou, Oon Cheong Ooi, Haidong Luo
Association Between Hba1c And Deep Sternal Wound Infection After Coronary Artery Bypass: A Systematic Review And Meta-Analysis, Wenyu Zhao, Jingui Xie, Zhichao Zheng, Han Zhou, Oon Cheong Ooi, Haidong Luo
Research Collection Lee Kong Chian School Of Business
BackgroundDeep sternal wound infection (DSWI) constitutes a serious complication after coronary artery bypass grafting (CABG) surgery. The aim of this study is to evaluate the dose-response relationship between glycated hemoglobin (HbA1c) level and the risk of DSWI after CABG.MethodsPubMed, Scopus, and Cochrane Library databases were searched to identify potentially relevant articles. According to rigorous inclusion and exclusion criteria, fourteen studies including 15,570 patients were finally enrolled in our meta-analysis. Odds ratio (OR) with 95% confidence intervals (CIs) was used as the summary statistic. The robust-error meta-regression model was used to synthesize the dose-response relationship.ResultsOur meta-analysis shows that among patients undergoing …
An Integrative Review Of Management Research On Caste: Broadening Our Horizons, Hari Bapuji, Snehanjali Chrispal, Pardeep Singh Attri, Gokhan Ertug, Vivek Soundararajan
An Integrative Review Of Management Research On Caste: Broadening Our Horizons, Hari Bapuji, Snehanjali Chrispal, Pardeep Singh Attri, Gokhan Ertug, Vivek Soundararajan
Research Collection Lee Kong Chian School Of Business
Even though management research on caste is growing, it is not yet on a clear trajectory to realize its vast potential due to varying terminology and framing of caste, the limited incorporation of directly relevant work from proximate disciplines, and the narrow and selective usage of the attributes of caste. To remove these obstacles, we review 259 scholarly works on caste (216 articles and 43 books and research reports) and develop an integrative framework to i) clarify the contemporary manifestations of caste as being a graded hierarchy, an inherited membership, and a set of socially enforced practices, and ii) summarize …
Attentional Engagement And Strategic Responses To Discontinuous Environmental Change: Evidence From The Us Banking Industry, Daniel Z. Mack, Theresa S. Cho, Andrew C. Yi
Attentional Engagement And Strategic Responses To Discontinuous Environmental Change: Evidence From The Us Banking Industry, Daniel Z. Mack, Theresa S. Cho, Andrew C. Yi
Research Collection Lee Kong Chian School Of Business
While prior research has established a link between the attention an organization allocates to the external environment and its adaptations to environmental change, the nature of the cognitive processes that underlie this link remains underexamined. In this study, we explore how patterns of attentional engagement—that is, the extent to which attention allocation is focused and/or consistent over time—influence the organization’s formulation of strategic responses to discontinuous change. We advance a situated perspective on attentional engagement by suggesting how the type of learning and cognitive processes are situated in different attentional-engagement structures, and can, in turn, lead to heterogeneous strategic responses …
What Difference Do The New Factor Models Make In Portfolio Allocation?, Frank J. Fabozzi, Dashan Huang, Fuwei Jiang, Jiexun Wang
What Difference Do The New Factor Models Make In Portfolio Allocation?, Frank J. Fabozzi, Dashan Huang, Fuwei Jiang, Jiexun Wang
Research Collection Lee Kong Chian School Of Business
This paper compares the Hou-Xue-Zhang four-factor model with the Fama-French five-factor model from an investing perspective both in- and out-of-sample. Without margin requirements and model uncertainty, the Hou-Xue-Zhang model outperforms the Fama-French model. However, the outperformance could become negligible if an investor is subject to margin requirements and model uncertainty. The Hou-Xue-Zhang model shows similar power as the Fama-French model in describing the covariance matrix of asset returns. Overall, the two models do not make a difference for investing in a realistic setting.
Diverse Hedge Funds, Yan Lu, Narayan Y. Naik, Melvyn Teo
Diverse Hedge Funds, Yan Lu, Narayan Y. Naik, Melvyn Teo
Research Collection Lee Kong Chian School Of Business
Hedge fund teams with heterogeneous educational backgrounds, academic specializations, work experiences, genders, and races, outperform homogeneous teams after adjusting for risk and fund characteristics. An event study of manager team transitions, instrumental variable regressions, and an analysis of managers who simultaneously operate solo- and team-managed funds address endogeneity concerns. Diverse teams deliver superior returns by arbitraging more stock anomalies, avoiding behavioral biases, and minimizing downside risks. Moreover, diversity allows hedge funds to circumvent capacity constraints and generate persistent performance. Our results suggest that diversity adds value in asset management. Authors have furnished an Internet Appendix, which is available on the …
Innovation In Dynamic Knowledge Landscapes: Using Topic Modelling To Map Inventive Activity And Its Implications For Financial Performance, Simon J.D. Schillebeeckx, Yimin Lin, Gerard George
Innovation In Dynamic Knowledge Landscapes: Using Topic Modelling To Map Inventive Activity And Its Implications For Financial Performance, Simon J.D. Schillebeeckx, Yimin Lin, Gerard George
Research Collection Lee Kong Chian School Of Business
We examine the relationship between innovation and performance in the agricultural industry by studying how a firm's patent portfolio position in the knowledge landscape moderates the relationship between three firm search dimensions (scope, specialisation, and commitment) and the firm's financial performance. To represent dynamism in the knowledge landscape, we apply topic modelling to 67,120 patent texts of 571 firms and introduce two complementary perspectives on how knowledge can be dynamically categorised. This allows us to create two representations of the knowledge structure to identify contested (scarce) clusters of high (low) recent inventive activity and emergent clusters where knowledge ambiguity has …
Managing The Personalized Order-Holding Problem In Online Retailing, Shouchang Chen, Zhenzhen Yan, Yun Fong Lim
Managing The Personalized Order-Holding Problem In Online Retailing, Shouchang Chen, Zhenzhen Yan, Yun Fong Lim
Research Collection Lee Kong Chian School Of Business
Problem definition: A significant percentage of online consumers place consecutive orders within a short duration. To reduce the total order arrangement cost, an online retailer may consolidate consecutive orders from the same consumer. We investigate how long the retailer should hold the consumer’s orders before sending them to a third-party logistics provider (3PL) for processing. In this order-holding problem, we optimize the holding time to balance the total order arrangement cost and the potential delay in delivery. Methodology/results: We model the order-holding problem as a Markov Decision Process. We show that the optimal order-holding decisions follow a threshold-type policy that …
Shadow Bank, Risk-Taking, And Real Estate Financing: Evidence From The Online Loan Market, Xiaoying Deng, Chong Liu, Eng Seow Ong
Shadow Bank, Risk-Taking, And Real Estate Financing: Evidence From The Online Loan Market, Xiaoying Deng, Chong Liu, Eng Seow Ong
Research Collection Lee Kong Chian School Of Business
This paper examines whether and how individual risk-taking behavior affects real estate financing through shadow banks. Using the loan data from an online platform in China, we show that riskier households tend to employ online loans to meet the increasing down-payment in their home purchase. Individual investors are likely to fund riskier real estate loans with higher expected returns. Real estate loans experience higher ex-post default rates than other types of loans. The effect is more pronounced during the period of credit constraints.
Derivatives And Market (Il)Liquidity, Shiyang Huang, Bart Zhou Yueshen, Cheng Zhang
Derivatives And Market (Il)Liquidity, Shiyang Huang, Bart Zhou Yueshen, Cheng Zhang
Research Collection Lee Kong Chian School Of Business
We study how derivatives (with nonlinear payoffs) affect the underlying assets liquidity. In a rational expectations equilibrium, informed investors expect low conditional volatility and sell derivatives to the others. These derivative trades affect different investors utility differently, possibly amplifying liquidity risk. As investors delta hedge their derivative positions, price impact in the underlying drops, suggesting improved liquidity, because informed trading is diluted. In contrast, effects on price reversal are ambiguous, depending on investors relative delta hedging sensitivity, i.e., the gamma of the derivatives. The model cautions of potential disconnections between illiquidity measures and liquidity risk premium due to derivatives trading.
Reeling In The Slack: An Integrative Review To Reinstate Slack As A Central Theoretical Construct For Management Research, Matthew P. Mount, Gokhan Ertug, Korcan Kavusan, Gerard George, Tengjian Zou
Reeling In The Slack: An Integrative Review To Reinstate Slack As A Central Theoretical Construct For Management Research, Matthew P. Mount, Gokhan Ertug, Korcan Kavusan, Gerard George, Tengjian Zou
Research Collection Lee Kong Chian School Of Business
Slack is a prominent construct in management research, shown to be relevant for a wide range of phenomena. Yet, despite slack’s prominence and breadth of application, our review reveals a lack of clarity and consistency in the categorization, theorizing, and measurement of various types and forms of slack. This has led to differences in the characterization and treatment of seemingly identical kinds of slack, which prevents the full exploitation of the conceptual depth of the slack construct and thus the creation of robust knowledge about slack resources. Based on a review of 229 studies which explicitly theorized about slack, we …
Geographic Links And Predictable Returns, Zuben Jin, Frank Weikai Li
Geographic Links And Predictable Returns, Zuben Jin, Frank Weikai Li
Research Collection Lee Kong Chian School Of Business
Using establishment-level data of U.S. public firms, we construct a novel measure of geographic linkage between firms. We show that the returns of geography-linked firms have strong predictive power for focal firm returns and fundamentals. This effect is distinct from other cross-firm return predictability and is not easily attributable to risk-based explanations. It is more pronounced for focal firms that receive lower investor attention, are more costly to arbitrage, and during high sentiment periods. The cross-firm information spillovers and return predictability are also stronger for geographic peers with economic linkages and with positive information. Our results are broadly consistent with …
Climate Change Concerns And Mortgage Lending, Tinghua Duan, Frank Weikai Li
Climate Change Concerns And Mortgage Lending, Tinghua Duan, Frank Weikai Li
Research Collection Lee Kong Chian School Of Business
We examine whether beliefs about climate change affect loan officers’ mortgage lending decisions. We show that abnormally high local temperature leads to elevated attention to and belief in climate change in a region. Loan officers approve fewer mortgage applications and originate lower amounts of loans in abnormally warm weather. This effect is stronger among counties heavily exposed to the risk of sea-level rise, during periods of heightened public attention to climate change, and for loans originated by small lenders. Additional tests suggest that the negative relation between temperature and approval rate is not fully explained by changes in local economic …
Personality Dynamics Turn Positive And Negative Mood Into Creativity, Ronald Bledow, Jana Kuhnel, Julius Kuhl
Personality Dynamics Turn Positive And Negative Mood Into Creativity, Ronald Bledow, Jana Kuhnel, Julius Kuhl
Research Collection Lee Kong Chian School Of Business
Introduction: Research on the link between affect and creativity rests on the assumption that creativity unfolds as a stimulus-driven response to affective states. We challenge this assumption and examine whether personality dynamics moderate the relationship of positive and negative mood with creativity.Theoretical Model: According to our model, personality dynamics that generate and maintain positive affect and down-regulate negative affect energize creativity. Based on this model, we expect high creativity in response to negative mood if people engage in self-motivation and achieve a reduction in negative mood. We further derive that individual differences in action versus state orientation moderate the within-person …
Introducing Business School Research And Positive Impact, Howard Thomas
Introducing Business School Research And Positive Impact, Howard Thomas
Research Collection Lee Kong Chian School Of Business
Typically, there are three main priorities, and dimensions, which interact with each other as business schools frame their visions and missions of enhancing management knowledge and producing distinctive management theories and insights. First, the processes of knowledge generation and development to produce high quality, often multi-disciplinary research outputs involving academic faculty, doctoral students and ‘tri-sector’ participants. Second, knowledge dissemination in teaching and learning activities enabling the growth of quality education at undergraduate and postgraduate levels and thus contributing to student intellectual growth and societal socio-economic development and advancement. Third, knowledge transfer through ‘tri-sector’ collaboration, engagement and practice enhancements that is …
Language-Related Misunderstanding At Work: What It Is, Why It Occurs And What Organizations Can Do About It, John Fiset, Devasheesh P. Bhave
Language-Related Misunderstanding At Work: What It Is, Why It Occurs And What Organizations Can Do About It, John Fiset, Devasheesh P. Bhave
Research Collection Lee Kong Chian School Of Business
Language is the foundation of human interaction. It plays a central role in facilitating effective communication by allowing people to express their thoughts, share essential information and establish connections with one another.
On Sgx’S Voyage To Corporate Sustainability: Exploring Emerging Topics In Multi-Industry Corpora, Xinwen Ni, Min Bin Lin, Simon J.D. Schillebeeckx, Wolfgang Karl Hardle
On Sgx’S Voyage To Corporate Sustainability: Exploring Emerging Topics In Multi-Industry Corpora, Xinwen Ni, Min Bin Lin, Simon J.D. Schillebeeckx, Wolfgang Karl Hardle
Research Collection Lee Kong Chian School Of Business
Topic modeling and LDA (Latent Dirichlet Allocation) have proven valuable in various fields as an innovative approach to studying areas of interest and identifying topics in a dynamic content. The underlying assumption is that techniques like LDA can swiftly capture emerging topics in textual documents compared to other categorization tools. These unsupervised approaches have been used to identify new industries and technological domains. However, our study on the nascent topic of “sustainability” within the corpora of SGX-listed companies highlights clear limitations in employing techniques like LDA on sparse data. The dynamic LDA approach, also called DTM (Dynamic Topic Modelling),based on …
Market For Manipulable Information, Hui Chen, Jian Sun
Market For Manipulable Information, Hui Chen, Jian Sun
Research Collection Lee Kong Chian School Of Business
We study how investors, firms, and information sellers interact in a market with manipulable information. To better predict the firm characteristics they care about, investors can buy a score from a monopolistic information seller, which aggregates signals that are subject to firm manipulation. The average degree of signal manipulability has no effect on the equilibrium, while the uncertainty about manipulability becomes a new source of noise. Its contribution depends on firms' incentive to manipulate the signals, which in turn depends on the equilibrium price sensitivity to the score. The optimal design of the score weighs signal precision against the endogenous …