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Article
Publication date: 23 August 2022

Yiwei Qiao, Wenrong Yang, Tianchen Huo, Guohang Chen, Haojie Zhang and Junling Luan

The purpose of this paper is to study conducted electromagnetic interference (EMI) of the high-low voltage DC/DC converter based on GaN high-electron-mobility transistors…

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Abstract

Purpose

The purpose of this paper is to study conducted electromagnetic interference (EMI) of the high-low voltage DC/DC converter based on GaN high-electron-mobility transistors (HEMTs) in electric vehicle, and design EMI filters to suppress the conducted EMI.

Design/methodology/approach

The conducted EMI propagation model is established through simulation and analysis studying the influences of parasitic parameters, operation mode, output power and near-field capacitive coupling effects on conducted EMI of the DC/DC converter and comparing the suppression effects of EMI filters with different topologies to select the best EMI filter.

Findings

It is shown that parasitic parameters, operation mode, output power and near-field capacitive coupling effects can affect the conducted EMI of the DC/DC converter, and EMI filters of the CLC topology can effectively suppress the conducted EMI below the limit of CISPR 25.

Originality/value

Analysis of conducted EMI and design of EMI filters greatly facilitate further explorations and studies on EMI problems of the high-low voltage DC/DC converter based on GaN HEMTs.

Details

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering , vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0332-1649

Keywords

Article
Publication date: 8 August 2022

Alexander Conrad Culley

The purpose of this paper is to examine the effectiveness of two regulatory initiatives in developing awareness of conduct risk associated with algorithmic and…

Abstract

Purpose

The purpose of this paper is to examine the effectiveness of two regulatory initiatives in developing awareness of conduct risk associated with algorithmic and direct-electronic access (DEA) trading at broker-dealers: the UK Financial Conduct Authority’s algorithmic trading compliance in the wholesale markets and Commission Delegated Regulation 2017/589 (CDR 589) to the second Markets in Financial Instruments Directive.

Design/methodology/approach

A qualitative examination of 15 semi-structured interviews with representatives of London Metal Exchange member firms, their clients and regulators.

Findings

This paper finds that the key conduct related messages in algorithmic trading compliance in the wholesale markets may not yet be fully embedded at broker–dealers. This is because of a perceived simplicity of the algorithms deployed by broker dealers or, alternatively, a lack of reflection on their impact. Conversely, a concern exists that clients’ deployment of algorithms on DEA channels provided by broker–dealers increase conduct risk. However, the threat of harm posed by clients is not envisaged in current definitions of conduct risk. Accordingly, CDR 2017/589 does not currently require firms to evaluate clients’ awareness of it.

Research limitations/implications

This study’s findings are limited to the insights provided by 15 participants.

Originality/value

This paper contributes to existing research by deepening understanding of conduct risk arising from algorithmic trading and DEA. To account for the potential harm arising from clients’ activities, this paper proposes a revision to Miles’s definition of conduct risk. This is complemented by a proposed amendment to CDR 2017/589 to require evaluation of clients’ understanding of conduct risk.

Details

Journal of Financial Regulation and Compliance, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1358-1988

Keywords

Book part
Publication date: 9 July 2018

Diane Bugeja

The hefty fines levied on credit institutions in recent years for cases of misconduct, including poor behavioural standards, operational control deficiencies and…

Abstract

The hefty fines levied on credit institutions in recent years for cases of misconduct, including poor behavioural standards, operational control deficiencies and regulatory breaches more broadly, has been defined by regulatory authorities and the financial sector more broadly as ‘conduct risk’. There is no official definition of conduct risk, as conduct risk profiles are unique to each firm and, therefore, there can never be a one-size-fits-all framework in place. Conceptually, conduct risk is a broad notion that touches every part of an enterprise framework, including culture, customer contact, corporate governance, ethics and integrity, conflicts of interest and compliance, amongst others. As a result, credit institutions tend to associate conduct risk with regulatory censure, financial detriment, poor customer outcomes, and, importantly, reputational damage. In light of the significant consequences of misconduct, recent regulatory measures have sought to specifically target these drivers. In this chapter the author discussed the regulatory spotlight on conduct risk, which continues to top the regulators’ agenda in view of its seriousness and considered the role of the board in managing conduct risk, whilst elaborating on the importance of board evaluations in this respect.

Details

Governance and Regulations’ Contemporary Issues
Type: Book
ISBN: 978-1-78743-815-6

Keywords

Article
Publication date: 1 January 2012

Zhixian Yi

This study aims to examine how academic library directors conducted meetings in the change process and the factors influencing the approaches used.

888

Abstract

Purpose

This study aims to examine how academic library directors conducted meetings in the change process and the factors influencing the approaches used.

Design/methodology/approach

Bolman and Deal's reframing change model provided the foundation for this research. An online survey was sent to 1,010 academic library directors in the USA. The response rate was 59 percent. The qualitative data were analyzed using content analysis. The collected quantitative and qualitative data were analyzed using descriptive (frequencies, percentages, means, standard deviations) and inferential statistics (binary and multinomial logistic regressions).

Findings

Most directors used multiple approaches to conduct meetings in the change process. The structural and human resource approaches were the most frequent single approaches. Regression analysis confirms that demographics, human capital, and library variables play significant roles in conducting meetings.

Research limitations/implications

Data in this study were collected from directors in libraries of doctoral granting, master‐granting, and baccalaureate‐only colleges, and universities. Accordingly, the results of the study might not be generalized to college and university libraries outside this classification.

Practical implications

This paper provides a useful overview of the approaches used to conduct meetings in the change process and the factors influencing the approaches used.

Originality/value

Directors may use the results to reflect on different options of the strategies for conducting meetings in the change process and balance the weight of the factors' influences. The results may also help librarians better understand various approaches to conducting meetings in the change process.

Details

Library Management, vol. 33 no. 1/2
Type: Research Article
ISSN: 0143-5124

Keywords

Open Access
Article
Publication date: 20 October 2022

Deborah Richards, Salma Banu Nazeer Khan, Paul Formosa and Sarah Bankins

To protect information and communication technology (ICT) infrastructure and resources against poor cyber hygiene behaviours, organisations commonly require internal users…

Abstract

Purpose

To protect information and communication technology (ICT) infrastructure and resources against poor cyber hygiene behaviours, organisations commonly require internal users to confirm they will abide by an ICT Code of Conduct. Before commencing enrolment, university students sign ICT policies, however, individuals can ignore or act contrary to these policies. This study aims to evaluate whether students can apply ICT Codes of Conduct and explores viable approaches for ensuring that students understand how to act ethically and in accordance with such codes.

Design/methodology/approach

The authors designed a between-subjects experiment involving 260 students’ responses to five scenario-pairs that involve breach/non-breach of a university’s ICT policy following a priming intervention to heighten awareness of ICT policy or relevant ethical principles, with a control group receiving no priming.

Findings

This study found a significant difference in students’ responses to the breach versus non-breach cases, indicating their ability to apply the ICT Code of Conduct. Qualitative comments revealed the priming materials influenced their reasoning.

Research limitations/implications

The authors’ priming interventions were inadequate for improving breach recognition compared to the control group. More nuanced and targeted priming interventions are suggested for future studies.

Practical implications

Appropriate application of ICT Code of Conduct can be measured by collecting student/employee responses to breach/non-breach scenario pairs based on the Code and embedded with ethical principles.

Social implications

Shared awareness and protection of ICT resources.

Originality/value

Compliance with ICT Codes of Conduct by students is under-investigated. This study shows that code-based scenarios can measure understanding and suggest that targeted priming might offer a non-resource intensive training approach.

Details

Organizational Cybersecurity Journal: Practice, Process and People, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2635-0270

Keywords

Article
Publication date: 2 September 2021

Sonny Tirta Luzanil and Sherly Saragih Turnip

The Strengths and Difficulties Questionnaire (SDQ) has been validated as a screening tool for identifying difficulties in adolescents in various countries. According to…

Abstract

Purpose

The Strengths and Difficulties Questionnaire (SDQ) has been validated as a screening tool for identifying difficulties in adolescents in various countries. According to the results, the SDQ needs clinical evaluations to discriminate between adolescents with and without problems. This study is part of a research group that developed the self-report Indonesian version of the SDQ. Therefore, this study aims to evaluate the sensitivity and specificity of the self-report Indonesian version of the SDQ conduct problems subscale and identify the optimum cut-off score for Indonesian adolescents.

Design/methodology/approach

This study was a double-blind non-experimental study, in which the self-report SDQ score was compared to the diagnostic interview. Participants that completed the SDQ were 708 10th-grade students in Jakarta, with 40 students from the sample randomly selected through the double-blind technique for the diagnostic interview.

Findings

Crosstab’s analysis showed that the SDQ conduct problems subscale had a sensitivity value of 77.3% and a specificity value of 83.3%. Receiver operating characteristics analysis showed that the cut-off score of 4 used in this study is ideal for identifying individuals with conduct problems.

Originality/value

The SDQ has good accuracy for screening conduct problems among adolescents. Moreover, it will be helpful for parents, teachers, professionals and adolescents to screening conduct problems.

Details

Journal of Aggression, Conflict and Peace Research, vol. 13 no. 4
Type: Research Article
ISSN: 1759-6599

Keywords

Book part
Publication date: 16 October 2020

Dawn Anderson and Donald (Don) Wengler

Auditing textbooks include summary level coverage of the American Institute of Certified Public Accountants (AICPA) Code of Professional Conduct, but textbook coverage is…

Abstract

Auditing textbooks include summary level coverage of the American Institute of Certified Public Accountants (AICPA) Code of Professional Conduct, but textbook coverage is too brief to support a strong understanding of auditor independence. Independence rules have the force of professional law for the independent auditor (PCAOB, 2015). Threats to firm independence can arise from events and circumstances such as investments in the client, loans from the client, past-due fees, contingent fees, deposits in the client, gifts and job offers. Student test results from a five-year rotation of alternative auditor independence lecture support materials demonstrate that using the actual AICPA Code of Professional Conduct reduces student performance. However, this drag on student performance was mostly offset by the positive impacts of simultaneous use of an independence decision tree developed for this chapter and tested as a teaching material for classrooms use.

Details

Research on Professional Responsibility and Ethics in Accounting
Type: Book
ISBN: 978-1-83867-669-8

Keywords

Book part
Publication date: 18 March 2014

Kevin W. Caves and Hal J. Singer

In antitrust class-action litigation, courts are increasingly unlikely to accept the presumption that all class members were harmed by price-fixing among a group of firms…

Abstract

In antitrust class-action litigation, courts are increasingly unlikely to accept the presumption that all class members were harmed by price-fixing among a group of firms or by exclusionary behavior by a single firm. Econometric methods typically applied in antitrust and other settings estimate the average effect of the challenged conduct, but do not inform impact for individual class members. We present classwide econometric methods and statistical tests for detecting the existence (or lack thereof) of common impact and determining what proportion (if any) of the proposed class suffered injury in many class actions. We conclude that econometric tools can meaningfully inform the legal process, even when courts demand proof of common impact.

Details

The Law and Economics of Class Actions
Type: Book
ISBN: 978-1-78350-951-5

Keywords

Abstract

Details

Contemporary HRM Issues in the 21st Century
Type: Book
ISBN: 978-1-78973-457-7

Book part
Publication date: 10 December 2015

Dekar Urumsah

The concept and practice of e-services has become essential in business transactions. Yet there are still many organizations that have not developed e-services optimally…

Abstract

The concept and practice of e-services has become essential in business transactions. Yet there are still many organizations that have not developed e-services optimally. This is especially relevant in the context of Indonesian Airline companies. Therefore, many airline customers in Indonesia are still in doubt about it, or even do not use it. To fill this gap, this study attempts to develop a model for e-services adoption and empirically examines the factors influencing the airlines customers in Indonesia in using e-services offered by the Indonesian airline companies. Taking six Indonesian airline companies as a case example, the study investigated the antecedents of e-services usage of Indonesian airlines. This study further examined the impacts of motivation on customers in using e-services in the Indonesian context. Another important aim of this study was to investigate how ages, experiences and geographical areas moderate effects of e-services usage.

The study adopts a positivist research paradigm with a two-phase sequential mixed method design involving qualitative and quantitative approaches. An initial research model was first developed based on an extensive literature review, by combining acceptance and use of information technology theories, expectancy theory and the inter-organizational system motivation models. A qualitative field study via semi-structured interviews was then conducted to explore the present state among 15 respondents. The results of the interviews were analysed using content analysis yielding the final model of e-services usage. Eighteen antecedent factors hypotheses and three moderating factors hypotheses and 52-item questionnaire were developed. A focus group discussion of five respondents and a pilot study of 59 respondents resulted in final version of the questionnaire.

In the second phase, the main survey was conducted nationally to collect the research data among Indonesian airline customers who had already used Indonesian airline e-services. A total of 819 valid questionnaires were obtained. The data was then analysed using a partial least square (PLS) based structural equation modelling (SEM) technique to produce the contributions of links in the e-services model (22% of all the variances in e-services usage, 37.8% in intention to use, 46.6% in motivation, 39.2% in outcome expectancy, and 37.7% in effort expectancy). Meanwhile, path coefficients and t-values demonstrated various different influences of antecedent factors towards e-services usage. Additionally, a multi-group analysis based on PLS is employed with mixed results. In the final findings, 14 hypotheses were supported and 7 hypotheses were not supported.

The major findings of this study have confirmed that motivation has the strongest contribution in e-services usage. In addition, motivation affects e-services usage both directly and indirectly through intention-to-use. This study provides contributions to the existing knowledge of e-services models, and practical applications of IT usage. Most importantly, an understanding of antecedents of e-services adoption will provide guidelines for stakeholders in developing better e-services and strategies in order to promote and encourage more customers to use e-services. Finally, the accomplishment of this study can be expanded through possible adaptations in other industries and other geographical contexts.

Details

E-services Adoption: Processes by Firms in Developing Nations
Type: Book
ISBN: 978-1-78560-709-7

Keywords

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