Results show that the value of the basic reproduction ratio, R 0, of Liaonan village, Xingzi county is located between 1.064 and 1.066 (very close to 1), for schistosomiasis transmission during 2006 to 2010, after intensification of control efforts. The explicit formula of the basic reproduction ratio for the SV-modified Barbour’s model is derived. We perform numerical simulations and parametric sensitivity analysis to understand local transmission conditions and compare values of the basic reproductive ratio with and without seasonal fluctuations. japonicum in humans we parameterise such expressions with surveillance data to investigate the conditions for persistence or elimination of the disease in the study village. We use mathematical tools for stability analysis of periodic systems and derive expressions for the basic reproduction ratio of S. japonicum using a modified version of Barbour’s model to account for seasonal variation (SV), and investigate the effectiveness of the control strategy adopted in Liaonan village of Xingzi county, Jiangxi Province. In this paper, we characterize the transmission dynamics of S. Seasonal fluctuations in transmission may have the potential to impact on the population dynamics of schistosomiasis, yet no model of S. Mathematical modelling of schistosomiasis transmission has been undertaken in order to assess and project the effects of various control strategies for elimination of the disease. Corporate Ownership & Control, 18(3), 275–295.Schistosomiasis japonica, caused by infection with Schistosoma japonicum, is still recognized as a major public health problem in the Peoples’ Republic of China. Ownership control intensity, corporate financial performance and revenue growth since the global financial crisis. How to cite this paper: El Beshlawy, H., & Ardroumli, S. Project Administration - S.A.ĭeclaration of conflicting interests: The Authors declare that there is no conflict of interest. Keywords: Corporate Governance, Ownership Structure, Ownership Type, Ownership Control, Ownership Identity, Financial Performance, Revenue GrowthĪuthors’ individual contribution: Conceptualization - H.E. The study indicates that the higher the individual ownership stake and the lower managerial ownership control intensity are in an organization, the stronger the negative influence of individual ownership on corporate performance and growth. The control intensity construct of managerial ownership was measured using the number of manager-owners among individual shareholders instead of using the traditional ownership concentration measurement method. The authors identify a new construct representing a third dimension (control intensity) of ownership structure, whereas previous literature has identified only two dimensions: identity and concentration. Using structural equation modeling (SEM), this study investigated the influence of ownership control on 222 public US companies’ performance after the 2008 financial crisis. The 2008 global financial crisis showed that despite the corporate governance scholars and regulatory efforts of the past 30 years, shareholders’ investments remain at risk due to poor or dishonest decisions made by some distinct groups of corporate stockholders. This work is licensed under a Creative Commons Attribution 4.0 International License.
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