Tristan Lim

Nanyang Polytechnic | nyp · School of Business Management

Portfolio diversification involves lowering the correlation between portfolio assets to achieve improved risk-return exposure. It is reasonable to infer from the classic Anscombe quartet, that relying on descriptive statistics, and specifically, correlation, to achieve portfolio diversification may not derive the most optimal multi-period portfolio...

There are known issues in authentic assessment design practices in digital education, which include the lack of freedom-of-choice, lack of focus on the multimodal nature of the digital process, and shortage of effective feedbacks. This study looks to identify an assessment design construct that overcomes these issues. Specifically, this study intro...

In the vital context of education, the application of artificial intelligence (AI) to assessments necessitates a nuanced examination of the boundaries between ethically permissible and impermissible practices. In this chapter, the authors applied a systematic literature mapping methodology to scour extant research, so as to holistically structure t...

This research examines the integration and trajectory of ubiquitous, adaptive, and immersive technologies in educational assessments, based upon qualitative predictions from Horizon Report reports and bibliometric statistics. Through bibliometric and network analyses, we identify key educational technological trends and their interconnectedness wit...

The rapidly growing research landscape in finance, encompassing environmental, social, and governance (ESG) topics and associated Artificial Intelligence (AI) applications, presents challenges for both new researchers and seasoned practitioners. This study aims to systematically map the research area, identify knowledge gaps, and examine potential...

This study proposes a quote-driven predictive automated market maker (AMM) plat-form with on-chain custody and settlement functions, alongside off-chain predictive reinforcement learning capabilities, to improve the liquidity provision of real-world AMMs. The proposed architecture augments Uniswap V3, a cryptocurrency AMM protocol, by using a novel...

This chapter examines the integration and trajectory of ubiquitous, adaptive, and immersive technologies in educational assessments, based upon qualitative predictions from Horizon Report and quantitative bibliometric analysis. Through network analysis, the authors identified key educational technological trends and their interconnectedness within...

This study aims to provide practical insights on the research areas and prediction trends of learning technologies that support authentic assessment practices in the digital education setting. Technology-enabled learning can be utilized to enhance assessment design in meaningful ways that resembles the professional work environment. Innovative tech...

In a societal institution as fundamental as education, when teaching practitioners or researchers apply artificial intelligence in academic processes such as assessments, it is important to study the divide between what may be ethically permissible and not permissible. This study applied a systematic literature mapping methodology to scour extant r...

Retail banking is undergoing considerable product competitiveness and disruptions. New product development is necessary to tackle such challenges and reinvigorate product lines. This study presents an instrumental real-life banking case study, where marketing analytics was utilized to drive a product differentiation strategy. In particular, the stu...

Empirical evidences have shown that modern portfolio theory relating to diversification had failed investors in the recent financial crises, times when investors would hope that diversification is an effective tool to sustain portfolio performance. Almost all markets around the world declined, with varying degrees, at the 2008 financial crisis and...

Assessment is a powerful lever that affects learning. To better inform educators on authentic assessment practices within digital education, this paper takes us through a meta-analysis of existing literature between 2011 to 2021. The study evaluates the following research question: “How are emerging technologies shaping authentic assessment practic...

The study proposes a quote-driven predictive automated market maker (AMM) platform with on-chain custody and settlement functions, alongside off-chain predictive reinforcement learning capabilities to improve liquidity provision of real-world AMMs. The proposed AMM architecture is an augmentation to the Uniswap V3, a cryptocurrency AMM protocol, by...

In today's financial services landscape, staying ahead of the innovation curve and being disciplined at enhancing core service offerings entail careful resource planning. A well-structured outsourcing arrangement can go a long way towards enhancing long term organizational strategic growth. In the post-2014 FinTech era, (i) strategic management wit...

Financial technology (FinTech) is rapidly changing traditional financial businesses via enablers such as blockchain and artificial intelligence. FinTech professionals need to possess creativity and problem-solving skills as they constantly face a host of technological, legal and regulatory challenges. On the surface, project-based learning (PjBL) p...

Market basket analysis provides retailers a significant edge when they go to the market. This is especially as traditional marketing costs are increasing each year, while generating lesser return on investment. A UK-domiciled online retailer involved in selling gift products to mainly wholesaler clientele, was looking to create recommendations for...

In today’s financial services landscape, staying ahead of the innovation curve and being disciplined at enhancing core service offerings entail careful resource planning. A well-structured outsourcing arrangement can go a long way towards enhancing long term organizational strategic growth. In the post-2014 FinTech era, (i) strategic management wit...

To diversify, investors should avoid adding assets to their portfolio when their prices exhibit high correlation. Industry diversification is a common portfolio diversification method. It is likely that the notion of investing across different industries can help achieve portfolio diversification, as companies in different industries are likely to...

This research utilized the intrinsic quality of European floating strike lookback call options, alongside selected return and volatility parameters, in a K-means clustering environment, to recommend an alpha generative trading strategy. The result is an elegant easy-to-use alpha strategy based on the option mechanisms which identifies investment as...

In consumer electronics where sales cycle is about two to three years, and with increased competition and product differentiation faced by suppliers in online distribution channels, it is important to pay attention to targeted marketing in online consumer electronics sales through the use of predictive analytics, as marketing paradigm is becoming i...

Customer retention is of importance, as the mobile industry experiences an average of 30-35 percent annual churn rate and it costs 5-10 times more to recruit a new customer than to retain an existing one. In this study, we investigate customer churn in a medium size U.S. mobile service operator (telco) with approximately 1 million subscribers. The...

The use of water filtration Point-of-Use (POU) systems are extensive, ranging from water dispensers in public estates, to household POU water systems. Manufacturers typically recommend filtration cartridges to be changed (i) after their useful life, or (ii) when the water flow volume have exceeded certain capacity, whichever is earlier. However, fi...

Purpose: Freight forwarders faces a challenging environment of high market volatility and margin compression risks. Hence, strategic consideration is given to undertaking capacity management and transport asset ownership to achieve longer term cost leadership. Doing so will also help to address management issues, such as better control of potential...

Headquartered in Singapore, Global Airfreight International Pte. Ltd. (“GAI”), established in 1970, is a privately owned company specializing in air freight forwarding for the high technology, aerospace, marine, oil & gas, and pharmaceutical industries in the ASEAN region and China. Presently, freight forwarders like GAI are faced with a challengi...