International Financial Reporting Standards (IFRS) ’s adoption increased attention to International Accounting Standard Regulations worldwide. It has opened the door for empirical analysis having different perceptions of mandatory IFRS adoption. This paper’s main objective is to examine the impact of accounting quality and IFRS adoption on Pakistan’s banking sector efficiency. We have employed the Malmquist productivity index, Roychowdhury’s Earnings Management, and modified learner index to conduct the empirical analysis. The results mean how much banking sector efficiency is affected by accounting quality and IFRS adoption. The results demonstrate that the banking sector efficiency significantly increases through accounting quality and IFRS. Furthermore, it can be seen that the foreign banks’ efficiency in Pakistan is less than other banks compared to public or private banks. Additionally, more earnings timeliness has been noted in large banks than medium and small banks in Pakistan. Preferably, the practice of quality accounting relies on disclosed information through financial statements. In contrast, the organizations may evade the losses once the information quality is precise and appropriate. The study provides valuable information to managers and other stakeholders.
In developing nations, environmental policies have not given nearly enough consideration to the role that environmentally friendly innovation plays. Green innovation and long-term financial performance are extremely dependent on one another. Despite the fact that numerous studies have investigated the impact that a variety of corporate social responsibility (CSR) activities have had on environmental sustainability, relatively few have investigated the implications of green innovation strategies and sustainability. From the mid-2021 through to mid-2022, information was gathered from 184 businesses listed on the Pakistan Stock Exchange (PSX) across 12 different industries. Estimates of the results were obtained by the use of structural equation modeling using partial least squares (PLS-SEM). The outcomes of the study indicated that all parts of CSR were positively significant in the process of fostering environmentally sustainable growth, with the exception of one aspect of CSR that was directed toward customers. Additionally, sustainable development contributes to the mediation impact that green innovation has, making this effect even more powerful. The data show that CSR activities have an exceptional impact on financial performance (FP) in all aspects other than one, and that green innovation (GI) also has a high-quality impact on FP, which demonstrates the significance of CSR practices in enhancing sustainable environment.
Purpose The purpose of this paper is to propose a novel event-triggered aperiodic intermittent sliding-mode control (ETAI-SMC) algorithm for master–slave bilateral teleoperation robotic systems to further save communication resources while maintaining synchronization precision. Design/methodology/approach By using the Lyapunov theory, a new event-triggered aperiodic intermittent sliding-mode controller is designed to synchronize master–slave robots in a discontinuous method. Unlike traditional periodic time-triggered continuous control strategy, a new ETAI condition is discussed for less communication pressure. Then, the exponential reaching law is adopted to accelerate sliding-mode variables convergence, which has a significant effect on synchronization performance. In addition, the authors use quantizers to make their algorithm have obvious progress in saving communication resources. Findings The proposed control algorithm performance is validated by an experiment developed on a practical bilateral teleoperation system with two PHANToM Omni robotic devices. As a result, the synchronization error is limited within a small range and the control frequency is evidently reduced. Compared with a conventional control algorithm, the experimental results illustrate that the proposed control algorithm is more sensitive to system states changes and it can further save communication resources while guaranteeing the system synchronization accuracy, which is more practical for real bilateral teleoperation robotic systems. Originality/value A novel ETAI-SMC for bilateral teleoperation robotic systems is proposed to find a balance between reducing the control frequency and synchronization control precision. Combining the traditional sliding-mode control algorithm with the periodic intermittent control strategy and the event-triggered control strategy has produced obvious effect on our control performance. The proposed ETAI-SMC algorithm helps the controller be more sensitive to system states changes, which makes it possible to achieve precise control with lower control frequency. Moreover, we design an environment contact force feedback algorithm for operators to improve the perception of the slave robot working environment. In addition, quantizers and the exponential convergence law are adopted to help the proposed algorithm perform better in saving communication resources and improving synchronization precision.
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