Mutation-driven grey wolf optimizer with modified search mechanism

Singh, Shitu; Bansal, Jagdish Chand

doi:10.1016/j.eswa.2021.116450

Cited by 52 publications

(18 citation statements)

References 60 publications

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“…Vo and Phan (2013) found a negative relationship between board size and performance for Vietnamese enterprises. The effect of board structure on the profitability of India's software sector was studied by (Singh & Bansal, 2022).…”

Section: Corporate Governance and Firm Financial Performance 251 Boar...mentioning

confidence: 99%

“…Studies on the correlation between audit committee size and company performance have generally come up empty. This includes work by Darko et al (2016), Almoneef and Samontaray (2019); Darko et al (2016); Khalifa H (2018); Rahman and Saima (2018); Singh and Bansal (2022) among others. H6: The ACS and the business's financial success are statistically significant and positively associated.…”

Section: The Audit Committee Sizementioning

confidence: 99%

See 1 more Smart Citation

The Effect of Corporate Governance on firm financial Performance with Mediating Role of Earnings Management. Evidence from Pakistan Stock Exchange

Manan

Amin

2023

Pak. J. Humanit. Soc. Sci

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The paper investigates the impact of Corporate Governance on firm financial performance in Pakistani listed firms, with earnings management acting as a mediator. The study employed 191 non-financial companies that are listed on the Pakistan Stock Exchange from 2010 to 2019. Several diagnostic tests were run before applying the panel data model to the Ordinary Least Squares (OLS). The four variables used as proxies for Corporate Governance are board size, board independence, audit committee size, and ownership concentration. Financial performance may be approximated by the return on assets (ROA), while earnings management can be approximated by the discretionary accrual (DA). The research relied on Kothari et al., 2005 to determine DA rates. Findings suggest that Board Independence and Audit Committee size are important corporate governance factors for influencing earnings management. Earnings management is also intrinsically linked to a company's performance. The research used a four-stage mediation process developed by (Baron & Kenny, 1986). As earnings management was shown to be the only mediator between board independence and company financial performance, this finding suggests that the presence of independent directors boosts firm performance by reducing earnings management. Earnings management has no effect on the remaining corporate governance variables studied. It is Pakistan's first study to use earnings management as a mediating factor and to calculate discretionary accruals using the Kothari, Leone, and Wasley (2005) method. According to the study, board independence improves a firm's financial performance only by limiting management's earnings management activities

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Section: Corporate Governance and Firm Financial Performance 251 Boar...mentioning

confidence: 99%

Section: The Audit Committee Sizementioning

confidence: 99%

The Effect of Corporate Governance on firm financial Performance with Mediating Role of Earnings Management. Evidence from Pakistan Stock Exchange

Manan

Amin

2023

Pak. J. Humanit. Soc. Sci

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“…To improve the performance of the GWO, a new variant of the GWO called a mutation-driven modified grey wolf optimizer and denoted by MDM-GWO is proposed. The MDM-GWO combines a new update search mechanism, modified control parameter, mutation-driven scheme, and greedy approach of selection in the search procedure of the GWO [ 46 ]. SCGWO algorithm combines GWO with an improved spread strategy and a chaotic local search mechanism to accelerate the convergence rate of the evolving agents [ 47 ].…”

Section: Related Workmentioning

confidence: 99%

Equalized Grey Wolf Optimizer with Refraction Opposite Learning

Sun

Feng

Chen

et al. 2022

Computational Intelligence and Neuroscience

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Grey wolf optimizer (GWO) is a global search algorithm based on grey wolf hunting activity. However, the traditional GWO is prone to fall into local optimum, affecting the performance of the algorithm. Therefore, to solve this problem, an equalized grey wolf optimizer with refraction opposite learning (REGWO) is proposed in this study. In REGWO, the issue about the low swarm population variety of GWO in the late iteration is well overcome by the opposing learning of refraction. In addition, the equilibrium pool strategy reduces the likelihood of wolves going to the local extremum. To investigate the effectiveness of REGWO, it is evaluated on 21 widely used benchmark functions and IEEE CEC 2019 test functions. Experimental results show/ that REGWO performs better than the other competitors on most benchmarks.

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“…The first subcategory of heuristics consists of algorithms inspired by evolution concepts, referred to as Evolutionary Algorithms (EAs) [41], which include Genetic Algorithms (GA) [42,43] and Differential Evolution [44,45]. The other type of algorithms is swarm-based or population-based algorithms, which are inspired by animal behaviors [46], Particle Swarm Optimization (PSO) [47,48], Gray-Wolf Optimization (GWO) [49,50], Cuckoo Search Algorithm [51,52] are just a few examples of swarm intelligence algorithms. In comparison to evolutionary algorithms, swarm intelligence algorithm retains information about search space over iterations, whereas evolutionary algorithms discard the information of previous generations, and swarm intelligence algorithms have few parameters to adjust [53].…”

Section: Algorithm Descriptionmentioning

confidence: 99%

Location Optimization of VTS Radar Stations Considering Environmental Occlusion and Radar Attenuation

Huang

2022

IJGI

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Waterway traffic monitoring is an important content in waterway traffic management. Taking into account that the number of monitored water areas is growing and that waterway traffic management capabilities are insufficient in the current situation in China, this paper investigates the location optimization of the vessel traffic service (VTS) radar station. During the research process, radar attenuation and environmental occlusion, as well as variable coverage radius and multiple covering are all considered. In terms of the radar attenuation phenomenon in the propagation process and obstacles such as mountains and islands in the real world, judgment and evaluation methods in a three-dimensional space are proposed. Moreover, a bi-objective mathematical model is then developed, as well as a modified adaptive strategy particle swarm optimization algorithm. Finally, a numerical example and a case are given to verify the effectiveness of the proposed methods, model, and algorithm. The results show the methods, model, and algorithm proposed in this paper can solve the model efficiently and provide a method to optimize the VTS radar station location in practice.

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Mutation-driven grey wolf optimizer with modified search mechanism

Cited by 52 publications

References 60 publications

The Effect of Corporate Governance on firm financial Performance with Mediating Role of Earnings Management. Evidence from Pakistan Stock Exchange

The Effect of Corporate Governance on firm financial Performance with Mediating Role of Earnings Management. Evidence from Pakistan Stock Exchange

Equalized Grey Wolf Optimizer with Refraction Opposite Learning

Location Optimization of VTS Radar Stations Considering Environmental Occlusion and Radar Attenuation

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