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Open Access
Article
Publication date: 31 August 2017

Wan Seuk Choi and Joon H. Rhee

This paper performs the empirical analysis on the factors affection the hedge effectiveness of Korea Treasury Bond (KTB) Futures by different hedge models. Before analyzing the…

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Abstract

This paper performs the empirical analysis on the factors affection the hedge effectiveness of Korea Treasury Bond (KTB) Futures by different hedge models. Before analyzing the factors, firstly, we compare the hedge effectiveness for benchmark bond portfolio among different hedge models. We find that KTB Futures' hedge effectiveness do not produce significant difference depending on the different models.

Secondly, we test hedge effectiveness for the corporate bond. The results vary depending on the credit ranks. Below BBB rating, hedge effectiveness deteriorated significantly. This seems to be caused by the fact that BBB rated bond is more prone to be affected by credit risk rather than interest rate risk.

Thirdly, hedge effectiveness analysis for the maturity term mismatch, KTB Futures has performed poorly as underlying bond maturity mismatching with Futures. Finally, different yield curve shape, Futures price undervaluation or time to maturity of Futures do not produce significant effect for the hedge effectiveness.

In summary hedge effectiveness of KTB Futures (3 Year, 10 Year) seems to be dominantly affected by the 1) underlying hedging bond credit rating and 2) hedge term mismatch. Other factors such as yield curve shape, undervaluation of Futures and time to maturity of Futures has limited contribution under our research.

Details

Journal of Derivatives and Quantitative Studies, vol. 25 no. 3
Type: Research Article
ISSN: 2713-6647

Keywords

Open Access
Article
Publication date: 31 August 2016

Jin Woo Kim and Joon H. Rhee

This paper extracts the factors determining the implied volatility skew movements of KOSPI200 index options by applying PCA (Principal Component Analysis). In particular, we…

80

Abstract

This paper extracts the factors determining the implied volatility skew movements of KOSPI200 index options by applying PCA (Principal Component Analysis). In particular, we analyze the movement of skew depending on the changes of the underlying asset price. As a result, it turned out that two factors can explain 94.6%~99.8% of the whole movement of implied volatility. The factor1 could be interpreted as ‘parallel shift’, and factor2 as the movement of ‘tilt or slope’. We also find some significant structural changes in the movement of skew after the Financial Crisis. The explanatory power of factor1 becomes more important on the movement of skew in both call and put options after the financial crisis. On the other hand, the influences of the factor2 is less. In general, after financial crisis, the volatility skew has the strong tendency to move in parallel. This implies that the changes in the option price or implied volatility due to the some shocks becomes more independent of the strike prices.

Details

Journal of Derivatives and Quantitative Studies, vol. 24 no. 3
Type: Research Article
ISSN: 2713-6647

Keywords

Open Access
Article
Publication date: 31 August 2015

Young Geun Ji and Joon H. Rhee

ELS (Equity Linked Security) is the structured product which is one of the fast grown and the most successful in Korean financial markets. In particular, ELS with the index of…

23

Abstract

ELS (Equity Linked Security) is the structured product which is one of the fast grown and the most successful in Korean financial markets. In particular, ELS with the index of stocks as underlying asset (‘index ELS') has shown a remarkable growth since 2010. This paper has analyzed the hedging effects of index ELS to the KOSPI200 index and futures market. It verifies that the hedging of index ELS has not shown any significant effect to the return of KOSPI200 index and futures, but it seems that it effects on the volatility. In other words, as ELS issue amount increases, VKOSPI tends to decrease because ELS issuer which has long vega position is trying to hedge it.

Details

Journal of Derivatives and Quantitative Studies, vol. 23 no. 3
Type: Research Article
ISSN: 2713-6647

Keywords

Open Access
Article
Publication date: 1 August 2018

Jiandong Chen, Yinyin Wu, Chong Xu, Malin Song and Xin Liu

Non-fossil fuels are receiving increasing attention within the context of addressing global climate challenges. Based on a review of non-fossil fuel consumption in major countries…

5667

Abstract

Purpose

Non-fossil fuels are receiving increasing attention within the context of addressing global climate challenges. Based on a review of non-fossil fuel consumption in major countries worldwide from 1985 to 2015, the purpose of this paper is to analyze trends for global non-fossil fuel consumption, share of fuel consumption and inequality.

Design/methodology/approach

The similarities were obtained between the logarithmic mean divisia index and the mean-rate-of-change index decomposition analysis methods, and a method was proposed for complete decomposition of the incremental Gini coefficient.

Findings

Empirical analysis showed that: global non-fossil fuel consumption accounts for a small share of the total energy consumption, but presents an increasing trend; the level of global non-fossil fuel consumption inequality is high but has gradually declined, which is mainly attributed to the concentration effect; inequality in global non-fossil fuel consumption is mainly due to the difference between nuclear power and hydropower consumption, but the contributions of nuclear power and hydropower to per capita non-fossil fuel consumption are declining; and population has the greatest influence on global non-fossil fuel consumption during the sampling period.

Originality/value

The main contribution of this study is its analysis of global non-fossil fuel consumption trends, disparities and driving factors. In addition, a general formula for complete index decomposition is proposed and the incremental Gini coefficient is wholly decomposed.

Details

Management Decision, vol. 57 no. 4
Type: Research Article
ISSN: 0025-1747

Keywords

Open Access
Article
Publication date: 14 April 2020

Hongxiu Li, Yong Liu, Chee-Wee Tan and Feng Hu

Building on the three-factor theory, this study aims to unravel how the role of hotel attributes such as basic, excitement and performance factors could differ in accordance with…

36346

Abstract

Purpose

Building on the three-factor theory, this study aims to unravel how the role of hotel attributes such as basic, excitement and performance factors could differ in accordance with different hotel star ratings and distinct customer segments.

Design/methodology/approach

This study explores the asymmetric effects of hotel attributes on customer satisfaction by extracting 412,784 consumer-generated reviews from TripAdvisor across different cities in China.

Findings

By taking into account the origins of customers and hotel star ratings, the study uncovers that guests’ expectations of hotel performance differ with respect to their origins (domestic and international guests) and the star ratings of the hotels being reviewed, thereby moderating the asymmetric impact of hotel attributes on customer satisfaction.

Research limitations/implications

The study compares and contrasts the determinants of customer satisfaction for domestic and international guests in the context of Chinese hotels. Care should still be exercised when generalizing the insights gleaned from this study to other contexts.

Practical implications

The findings from this study translate into actionable guidelines for hotel operators to make informed decisions regarding service improvement.

Originality/value

The study extends previous work by offering a deeper understanding of the asymmetric impact of hotel attributes on customer satisfaction. Specifically, this study provides a deep understanding of the different hotel attributes such as basic, performance and excitement factors in explaining customer satisfaction among different hotel customer segments. Findings from this study can not only inform hotel operators on the significance of various hotel attributes in determining customer satisfaction but also guide the formulation of business strategies to retain customers by inducing delight and not frustration.

Details

International Journal of Contemporary Hospitality Management, vol. 32 no. 5
Type: Research Article
ISSN: 0959-6119

Keywords

Open Access
Article
Publication date: 8 March 2023

Rafaela Alfalla-Luque, Darkys E. Luján García and Juan A. Marin-Garcia

The link between supply chain agility (SCA) and performance has been tested in previous research with different samples and results. The present paper quantitatively analyses and…

2238

Abstract

Purpose

The link between supply chain agility (SCA) and performance has been tested in previous research with different samples and results. The present paper quantitatively analyses and summarises the impact of SCA on performance found in previous empirical papers and determines the influence of several identified moderators.

Design/methodology/approach

Using a meta-analysis approach based on a systematic literature review, a total of 63 empirical papers comprising a sample of 14,469 firms were meta-analysed to consider substantive (type of performance and SCA operationalisation) and extrinsic (economic region and industry) moderators.

Findings

Results confirm a significantly large, positive correlation between SCA and performance. None of the analysed moderators has enabled the identification of any significant differences between the SCA and performance correlations by subgroup. However, high heterogeneity in total variance, both in the full sample and the subgroups by moderator, demands further rigorously reported empirical research on this topic with clearly conceptualised variables and frameworks and the use of validated scales.

Research limitations/implications

Several research gaps and best practice recommendations have been indicated to improve future empirical research on this topic.

Practical implications

Practitioners in different economic regions and industries will find consistent evidence of improvements in performance through SCA.

Originality/value

No meta-analysis has been found in previous research to estimate the value of the correlation between SCA and performance and the influence of moderating variables.

Details

International Journal of Operations & Production Management, vol. 43 no. 10
Type: Research Article
ISSN: 0144-3577

Keywords

Open Access
Article
Publication date: 1 September 2023

Alireza Moghayedi, Kathy Michell, Dylan Hübner, Karen Le Jeune and Mark Massyn

This study investigates the barriers and drivers of using green methods and technologies (GMTs) in supportive educational buildings (SEBs) in South Africa, and assesses their…

1983

Abstract

Purpose

This study investigates the barriers and drivers of using green methods and technologies (GMTs) in supportive educational buildings (SEBs) in South Africa, and assesses their impact on the circular economy (CE) in achieving net-zero carbon goals. While there has been extensive literature on green building technologies, there is limited research on the barriers and drivers of using GMT in SEBs, as well as their impact on the circular economy (CE) in achieving net-zero carbon goals.

Design/methodology/approach

This study adopts an interpretivist approach with an ontological basis, using an overarching case study of a SEB at the University of Cape Town (UCT). Semistructured interviews were conducted with executive UCT management, and a field survey of a UCT supportive education building was performed.

Findings

At UCT, multiple GMTs have been installed across various buildings to enhance monitoring and management of water and energy consumption. Moreover, initiatives to positively influence student behavior, such as water and energy-saving campaigns around UCT premises, have been introduced. The findings further indicate that UCT has recently emphasized the implementation of GMTs, resulting in improved resource efficiency, CE practices and progress toward achieving net-zero carbon targets for supportive education buildings and the university as a whole.

Originality/value

This research highlights the positive impact of GMTs on a SEB’s CE and net-zero carbon operations. As a result, facility managers should consider incorporating GMTs when planning the development or refurbishment of SEBs.

Details

Facilities , vol. 42 no. 3/4
Type: Research Article
ISSN: 0263-2772

Keywords

Open Access
Book part
Publication date: 12 December 2022

Jessica H. Williams, Geoffrey A. Silvera and Christy Harris Lemak

In the US, a growing number of organizations and industries are seeking to affirm their commitment to and efforts around diversity, equity, and inclusion (DEI) as recent events…

Abstract

In the US, a growing number of organizations and industries are seeking to affirm their commitment to and efforts around diversity, equity, and inclusion (DEI) as recent events have increased attention to social inequities. As health care organizations are considering new ways to incorporate DEI initiatives within their workforce, the anticipated result of these efforts is a reduction in health inequities that have plagued our country for centuries. Unfortunately, there are few frameworks to guide these efforts because few successfully link organizational DEI initiatives with health equity outcomes. The purpose of this chapter is to review existing scholarship and evidence using an organizational lens to examine how health care organizations can advance DEI initiatives in the pursuit of reducing or eliminating health inequities. First, this chapter defines important terms of DEI and health equity in health care. Next, we describe the methods for our narrative review. We propose a model for understanding health care organizational activity and its impact on health inequities based in organizational learning that includes four interrelated parts: intention, action, outcomes, and learning. We summarize the existing scholarship in each of these areas and provide recommendations for enhancing future research. Across the body of knowledge in these areas, disciplinary and other silos may be the biggest barrier to knowledge creation and knowledge transfer. Moving forward, scholars and practitioners should seek to collaborate further in their respective efforts to achieve health equity by creating formalized initiatives with linkages between practice and research communities.

Details

Responding to the Grand Challenges in Health Care via Organizational Innovation
Type: Book
ISBN: 978-1-80382-320-1

Keywords

Open Access
Article
Publication date: 6 December 2022

Mesbah Fathy Sharaf and Abdelhalem Mahmoud Shahen

This paper investigates the asymmetric impact of the real effective exchange rate (REER) on Egypt's real domestic output from 1960 to 2020.

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Abstract

Purpose

This paper investigates the asymmetric impact of the real effective exchange rate (REER) on Egypt's real domestic output from 1960 to 2020.

Design/methodology/approach

A Nonlinear Autoregressive Distributed Lag (NARDL) model is utilized to isolate real currency depreciations from appreciations and account for the potential asymmetry in the impact of the REER. The analyses account for the various channels via which the REER could affect domestic output.

Findings

Results show evidence of a long-run asymmetry in the output effect of REER changes in which only real currency depreciations have a contractionary impact on output, while the REER has no impact on output in the short run.

Practical implications

The Egyptian monetary authority cannot rely on domestic currency depreciation as a policy instrument to boost domestic output.

Originality/value

Unlike most of the previous studies, which assume linearity in the impact of the REER on output, we relax this assumption and hypothesize that the REER changes have an asymmetric effect on the Egyptian domestic output in Egypt. We use a long time span from 1960 to 2020 and control for the potential structural breaks in the REER-output nexus and the various channels through which the REER can affect domestic output.

Details

International Trade, Politics and Development, vol. 7 no. 1
Type: Research Article
ISSN: 2586-3932

Keywords

Open Access
Article
Publication date: 24 May 2024

Morné Owen, Stephen V. Flowerday and Karl van der Schyff

Researchers looking for ways to change the insecure behaviour that results in phishing have considered multiple possible reasons for such behaviour. Therefore, the purpose of this…

Abstract

Purpose

Researchers looking for ways to change the insecure behaviour that results in phishing have considered multiple possible reasons for such behaviour. Therefore, the purpose of this paper is to understand the role of optimism bias (OB – defined as a cognitive bias), which characterises overly optimistic or unrealistic individuals, to ensure secure behaviour. Research that focused on issues such as personality traits, trust, attitude and Security, Education, Training and Awareness (SETA) was considered.

Design/methodology/approach

This study built on a recontextualized version of the theory of planned behaviour to evaluate the influence that optimism bias has on phishing susceptibility. To model the data, an analysis was performed on 226 survey responses from a South African financial services organisation using partial least squares (PLS) path modelling.

Findings

This study found that overly optimistic employees were inclined to behave insecurely, while factors such as attitude and trust significantly influenced the intention to behave securely.

Practical implications

Our contribution to practice seeks to enhance the effectiveness of SETA by identifying and addressing the optimism bias weakness to deliver a more successful training outcome.

Originality/value

Our study enriches the Information Systems literature by evaluating the effect of a cognitive bias on phishing susceptibility and offers a contextual explanation of the resultant behaviour.

Details

Information & Computer Security, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2056-4961

Keywords

1 – 10 of 148