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This study aims to investigate the question concerning whether tournament incentives motivate chief executive officers (CEOs) to be socially responsible.

Data from all A-share Chinese companies listed on the Shanghai and Shenzhen stock exchanges for the period from 2010 to 2015 are used. To draw inferences from the data, ordinary least squares (OLS) regression and cluster OLS are used as a baseline methodology. To control for the possible issue of endogeneity, firm-fixed-effects regression, two-stage least squares regression and propensity score matching are used.

A reliable evidence is found that tournament incentives motivate CEOs to be more socially responsible. Additional analysis reveals that the positive effect of CEO tournament incentives on corporate social responsibility performance (CSRP) is more pronounced in state-owned firms than it is in non-state-owned firms. The study’s findings are consistent with tournament theory and the conventional wisdom hypothesis, which proposes that better incentives lead to competitiveness, which improves financial and social performance.

The study’s findings have implications for companies and regulators who wish to enhance CSRP by giving tournament incentives to top managers. Investment in social responsibility may reduce the conflict between executives and employees and improve the corporate culture.

This study contributes to the existing literature by providing the first evidence that CEOs’ tournament incentives play a vital role in CSRP. The study’s findings contribute to tournament theory.

This paper aims to improve the computational efficiency of higher-order accurate Noye–Hayman [NH (9,9)] implicit finite difference scheme for the solution of electromagnetic scattering problems in tunnel environments.

The proposed method consists of two major steps: First, the higher-order NH (9,9) scheme is numerically discretized using the finite-difference method. The second step is to use an algorithm based on hierarchical interpolative factorization (HIF) to accelerate the solution of this scheme.

It is observed that the simulation results obtained from the numerical tests illustrate very high accuracy of the NH (9,9) method in typical tunnel environments. HIF algorithm makes the NH (9,9) method computationally efficient for two-dimensional (2D) or three-dimensional (3D) problems. The proposed method could help in reducing the computational cost of the NH (9,9) method very close to O(n) usual O(n3) for a full matrix.

For simplicity, in this study, perfect electric conductor boundary conditions are considered. Future research may also include the utilization of meteorological techniques, including the effects of backward traveling waves, and make comparisons with the experimental data.

This study is directly applicable to typical problems in the field of tunnel propagation modeling for both national commercial and military applications.

The purpose of this paper is to provide a brief introduction of the finite difference based parabolic equation (PE) modeling to the advanced engineering students and academic researchers.

A three-dimensional parabolic equation (3DPE) model is developed from the ground up for modeling wave propagation in the tunnel via a rectangular waveguide structure. A discussion of vector wave equations from Maxwell’s equations followed by the paraxial approximations and finite difference implementation is presented for the beginners. The obtained simulation results are compared with the analytical solution.

It is shown that the alternating direction implicit finite difference method (FDM) is more efficient in terms of accuracy, computational time and memory than the explicit FDM. The reader interested in maximum details of individual contributions such as the latest achievements in PE modeling until 2021, basic PE derivation, PE formulation’s approximations, finite difference discretization and implementation of 3DPE, can learn from this paper.

For the purpose of this paper, a simple 3DPE formulation is presented. For simplicity, a rectangular waveguide structure is discretized with the finite difference approach as a design problem. Future work could use the PE based FDM to study the possibility of utilization of meteorological techniques, including the effects of backward traveling waves as well as making comparisons with the experimental data.

The proposed work is directly applicable to typical problems in the field of tunnel propagation modeling for both national commercial and military applications.

This study aims to deal with the numerical investigation of ferrofluid flow and heat transfer inside a right-angle triangular cavity in the presence of a magnetic field. The vertical wall is partially heated, whereas other walls are kept cold. The effects of thermal radiation are included in the analysis. The governing equations including continuity, momentum and energy equations are converted to nondimensional form using viable variables.

Finite element method (FEM)-based simulations are performed using finite element approach to investigate the effects of the volume fraction of ferroparticles (Fe₃O₄), the length of the heating element and the dimensionless numbers including Rayleigh and Hartmann numbers on the streamlines, isotherms and Nusselt number.

It is demonstrated that both horizontal and vertical velocity components increase with the length of the heating element, whereas the dimensionless temperature decreases the heating domain. It is observed that an increase of 10% in the volume fraction of ferroparticles increases Nusselt number more than 12%, and 20% increase in the volume fraction of ferroparticles increases more than 30%, depending upon the length of the heating element.

This is a new study showing the significance of the magnetic nanoparticles for the enhancement of heat transfer rate in a triangular cavity.

The purpose of this paper is to investigate the crucial question of whether gender diversity in boardroom is associated with CEO pay and CEO pay-performance link.

The authors used the data of companies listed on the Pakistan Stock Exchange for a sample consisting of KSE-100 index companies for the period of five years. The authors used the ordinary least square regression technique to test the developed hypotheses. The authors also used the two-step Heckman selection model, two-stage least square regression and propensity score matching method to control the problem of endogeneity.

The authors find reliable evidence of a negative association between gender diversity and CEO pay and of board gender diversity’s strengthening the relationship between CEO pay and firm performance. The authors also find that women director are more effective in setting the optimal contract in non-family-owned firms and firms with dispersed ownership structure as compared to family-owned firms and firms with concentrated ownership structure. Moreover, results also reflect that the influence of board diversity on both CEO pay and CEO pay-performance link is stronger when gender diversity goes beyond tokenism.

The findings have implications in terms of providing the basis for policy makers to accord the same level of importance to gender diversity in the boardroom as well as contributing to the current debate on the desirability of mandating or recommending gender diversity on boardrooms.

This study is among the few studies which investigate the moderating role of boardroom gender diversity on the CEO pay-performance link. In addition, this study contributes to the institutional theory by providing the empirical evidence that the effect boardroom gender diversity on CEO pay and CEO pay-performance link varies by type of ownership.

Using the conservation of resources (COR) theory, the present study aims to examine the role of participative leadership in frontline service employees (FLEs)’ service recovery performance. The present study also tests FLEs’ role breadth self-efficacy (RBSE) as a theoretically relevant mediator and FLE trait mindfulness as an important moderator.

Data were collected using time-lagged (three rounds, two weeks apart) from two sources (193 FLEs and 772 customers, who experienced a service failure). Structural equation modeling (Mplus, 8.6) was employed to analyze the data.

The results revealed that participative leadership was positively associated with FLEs service recovery performance, both directly and indirectly, via RBSE. The results also showed that FLE trait mindfulness moderated the link of participative leadership with RBSE and the indirect association of participative leadership with service recovery performance, via RBSE.

This study suggests that organizational leaders who exhibit participative leadership behavior are valuable for organizations. By demonstrating such behaviors, they boost FLEs' RBSE, which in turn improves their service recovery performance.

The present work makes important contributions to the literature on service recovery performance by foregrounding two important yet overlooked antecedents (participative leadership and RBSE) of FLE service recovery performance. The present work also contributes to the nascent literature on the antecedents and outcomes of RBSE in service contexts.

The purpose of this study is to investigate the most important factors that affect the capital structure of commercial banks in the Kingdom of Saudi Arabia.

This study uses annual data of 11 Saudi commercial, national banks listed on the tadawul Saudi stock exchange for the period 2010–2017. Data was collected from the banks financial statements, tadawul annual publications and Saudi Arabian Monetary Authority. By constructing a balanced panel, this study uses pooled ordinary least squares regression along with fixed effects and random effects to examine the relationship between the bank’s book leverage as the dependent variable and bank-specific explanatory variables that include profitability, tangibility, earnings volatility, growth opportunities and bank size, while controlling for macroeconomic conditions.

The findings of this study suggest that banks in Saudi Arabia are highly leveraged, endorsing the fact that the nature of banks’ business is different from non-banking firms. Earnings volatility, growth and bank size show positive and significant relations with book leverage. Profitability and tangibility are negatively related to the book leverage. Empirically, the explanatory variables profitability, earnings volatility, tangibility, growth and bank size have material effects on the capital structure decisions of Saudi commercial banks. In summary, the determinants of capital structure for Saudi banks are the same as those of non-financial firms but are distinctive in nature.

An extensive study on all the banks operating in Gulf Cooperation Council (GCC) countries is suggested.

The findings have practical implications for bank managers, which will help them to identify the bank-specific factors affecting the capital structure and choose the values enhancing optimal capital structure. The results of this study can assist regulatory agencies to formulate an effective regulatory framework. Moreover, the findings lay a foundation for the development of financial sector under the umbrella of the Vision 2030 program in the Kingdom.

To the best of the authors’ knowledge, this is the first study to explore the factors affecting the capital structure choices of commercial banks operating in the Kingdom of Saudi Arabia. Moreover, the findings of the study would prove useful in detailed studies of capital structure in the GCC countries as well.

The coating process is broadly employed in the manufacturing of wallpapers, adhesive tapes, wrapping, protection of fabrics and metals, X-ray and photographic films, beautification, books and magazines, film foils, magnetic records, coated paper, etc.

In this study, an incompressible flow of non-Newtonian fluid is modeled to inspect the rheological behavior of finite coating thickness in the reverse roll coating process. With the assistance of lubrication approximation theory (LAT), the dimensionless form of governing expressions is simplified. Exact solutions for distributions for velocity, flow rate, temperature and pressure gradient attained utilizing perturbation technique and their variation is presented as well as discussed in graphs. Meanwhile, some important factors from an engineering perspective including coating thickness and transition point were calculated mathematically and are displayed in a tabular manner. Also, streamlines are drawn to observe the flow pattern.

Prandtl fluid parameters provide a controlling factor to regulate the flow rate, velocity, coating thickness, and pressure gradient leading to an efficient coating process. Moreover, the Brinkman number and Prandtl fluid parameters significantly improve the temperature distribution.

In the literature, this study fills a gap in the theoretical prediction of coating thickness rheologically influenced by Prandtl fluid in reverse roll coating process.

Thermal and species transport of magneto hydrodynamic Casson liquid over a stretched surface is investigated theoretically in this examination for the three-dimensional boundary layer flow of a yield exhibiting material. The phenomenon of heat and species relocation is based upon modified Fourier and Fick’s laws that involves the relaxation times for the transportation of heat and mass. Conservation laws are modeled under boundary layer analysis in the Cartesian coordinates system. The purpose of this paper is to find the influence of different emerging parameters on fluid velocity, temperature and transport of species.

Reconstructed nonlinear boundary layer ordinary differential equations are analyzed through eigenvalues and eigenvectors. Due to the complexity and non-existence of the exact solution of the transformed equations, a convergent series solution by the homotopy algorithm is also derived. The reliability of the applied scheme is presented by comparing the obtained results with the previous findings.

Physical quantities of interest are displayed through graphs and tables and discussed for sundry variables. It is discerned that higher magnetic influence slows down fluid motion, whereas concentration and temperature profiles upsurge. Reliability of the recommended scheme is monitored by comparing the obtained results for the dimensionless stress as a limiting case of previous findings and an excellent agreement is observed. Higher values of Schmidt number reduce the concentration profile, whereas mounting the values of Prandtl number reduces the dimensionless temperature field. Moreover, heat and species transfer rates increase by mounting the values of thermal and concentration relaxation times.

The phenomenon of heat and species relocation is based upon modified Fourier and Fick’s laws which involves the relaxation times for the transportation of heat and mass. Conservation laws are modeled under boundary layer analysis in the Cartesian coordinates system.

The purpose of this paper is to examine the impact of human resource management (HRM) practices on organizational performance.

A total of 300 employees from a public university comprising of both academicians and support staff responded to the survey. The survey questionnaire had 46 items covering selected HRM practices and university performance.

The study has found that human resource practices: recruitment, training, performance appraisal, career planning, employee participation, job definition and compensation have a significant relationship with university performance.

The results come from a cross-sectional study which was done at the convenience of the researcher. The results may not be generalized across the country. The application of the results to other universities must be done with maximum care.

If the university is to increase its performance to higher levels, it should emphasize more on job definition, training and employee participation. Some improvement needs to be done on the other HRM practices-recruitment, performance appraisal, career planning and compensation in order to increase their effectiveness on the university performance.

Most studies on impact of HRM practices on firm performance have focussed on private sectors in Malaysia. In other countries, the studies have focussed only on academicians as a sample. This study has attempted to add to the body of knowledge on the impact of HRM practices on university performance in Malaysia combining both the academicians and administration staff.