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Open Access
Article
Publication date: 11 August 2022

Li Ji, Yiwei Zhang, Ruifeng Shi, Limin Jia and Xin Zhang

Green energy as a transportation supply trend is irreversible. In this paper, a highway energy supply system (HESS) evolution model is proposed to provide highway transportation…

Abstract

Purpose

Green energy as a transportation supply trend is irreversible. In this paper, a highway energy supply system (HESS) evolution model is proposed to provide highway transportation vehicles and service facilities with a clean electricity supply and form a new model of a source-grid-load-storage-charge synergistic highway-PV-WT integrated system (HPWIS). This paper aims to improve the flexibility index of highways and increase CO2 emission reduction of highways.

Design/methodology/approach

To maximize the integration potential, a new energy-generation, storage and information-integration station is established with a dynamic master–slave game model. The flexibility index is defined to evaluate the system ability to manage random fluctuations in power generation and load levels. Moreover, CO2 emission reduction is also quantified. Finally, the Lianhuo Expressway is taken as an example to calculate emission reduction and flexibility.

Findings

The results show that through the application of the scheduling strategy to the HPWIS, the flexibility index of the Lianhuo Expressway increased by 29.17%, promoting a corresponding decrease in CO2 emissions.

Originality/value

This paper proposed a new model to capture the evolution of the HESS, which provides highway transportation vehicles and service facilities with a clean electricity supply and achieves energy transfer aided by an energy storage system, thus forming a new model of a transportation energy system with source-grid-load-storage-charge synergy. An evaluation method is proposed to improve the air quality index through the coordination of new energy generation and environmental conditions, and dynamic configuration and dispatch are achieved with the master–slave game model.

Open Access
Article
Publication date: 10 April 2024

Osama Atayah, Hazem Marashdeh and Allam Hamdan

This study aims to examines both accrual and real-based earnings management (EM) behavior of listed corporations in tax-free countries during different economic situations. It…

Abstract

Purpose

This study aims to examines both accrual and real-based earnings management (EM) behavior of listed corporations in tax-free countries during different economic situations. It also addresses the link between firm- and country-level determinants of accrual and real-based EM and explores economic conditions' influence on these determinants.

Design/methodology/approach

The study examines 1,608 firm-years, covers sixteen years (2004–2019), clustered into three periods according to the global financial crisis (GFC): four years prior (2004–2007), two years during (2008–2009), and ten years post the GFC (2010–2019). We employ the modified Jones model (performance-matched) developed by Kothari et al. (2005) to measure the accrual-based EM (positive and negative discretionary accrual EM) and the three levels model for Dechow et al. (1998) to measure the real-based EM (cash flow from operating, discretionary expenses and abnormal production cost).

Findings

The study finds a significant increase in EM practices in the listed corporations in tax-free countries during the economic downturn. These corporations are found to understate their earnings during the economic stress period. Simultaneously, the firm-level determinants of EM practices were at the same level of significance during different economic conditions in accrual-based EM. In contrast, the country-level EM determinants vary based on the economic conditions.

Originality/value

Financial reports' users gain a deep understanding of the quality of financial reports in the context of tax-free country. And, the study outcomes inspire policymakers to develop relevant legislation to mitigate financial reports' risk and adequately protect the financial reports' users.

Details

Asian Journal of Accounting Research, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2459-9700

Keywords

Open Access
Article
Publication date: 19 May 2023

Sara Moggi

The porpose of this study is to critically consider the use of global reporting initiative (GRI) guidelines in universities’ sustainability reports.. In light of the recent…

6323

Abstract

Purpose

The porpose of this study is to critically consider the use of global reporting initiative (GRI) guidelines in universities’ sustainability reports.. In light of the recent literature and Habermas’s thinking, the study advances the research field by considering the process of internal colonisation from steering institutions and makes suggestions regarding the future role of GRI in the higher education (HE) context.

Design/methodology/approach

This study presents a systematic literature review and content analysis for enhancing the critical reading of GRI applications in HE studies. The results are analysed in light of Habermas’s thinking, considering the GRI as a steering institution and its guidelines as steering mechanisms.

Findings

This study updates the literature review on sustainability reporting (SR) at universities and underlines the general trend in the employment of the GRI in this context. The results highlight the need to adapt the GRI to enhance its applicability in the HE context by considering additional dimensions such as research, teaching and operations. In doing so, the framework loses effectiveness and weakens the role of the GRI as a steering institution.

Practical implications

The results suggest that the GRI guidelines should be reframed to enhance comparability among reports and increase its wider employment at universities.

Social implications

Universities need to be guided in their accountability process towards SR by dedicated frameworks. This study suggests the potentially pivotal role that the GRI could play in providing dedicated tools for HE to steer and enhance the development of SRs at universities.

Originality/value

This study presents an updated review of studies on SR at universities and suggests possible paths for the future of the GRI framework applicability to universities’ SR.

Details

Sustainability Accounting, Management and Policy Journal, vol. 14 no. 4
Type: Research Article
ISSN: 2040-8021

Keywords

Open Access
Article
Publication date: 1 March 2022

Nana Adwoa Anokye Effah, Michael Asiedu and Octavia Ama Serwaa Otchere

This work aims to analyze and observe the trends in the literature on corporate governance and disclosure. The study presents bibliometric analyses from the Scopus database for…

2745

Abstract

Purpose

This work aims to analyze and observe the trends in the literature on corporate governance and disclosure. The study presents bibliometric analyses from the Scopus database for the period 1991–2020.

Design/methodology/approach

A bibliometric analysis is conducted on 1,697 studies on corporate governance and disclosure across several countries. The articles were assessed and visualized with Vosviewer based on the authors, sources and countries with the highest publication rate, journals with the most published research and highly cited articles and authors.

Findings

The analyses provide a comprehensive outlook of the field, and the results show the dominance of documents on corporate governance and disclosure in 2020. The results have been discussed with avenues for further research.

Originality/value

This paper focuses on corporate governance and disclosure research from the Scopus database to highlight the extensive and somewhat ignored areas in extant literature. This would aid upcoming researchers in identifying scholars in the field when exploring future research avenues to close ensuing gaps.

Details

Journal of Business and Socio-economic Development, vol. 3 no. 2
Type: Research Article
ISSN: 2635-1374

Keywords

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