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The system dynamics approach is a holistic way of solving problems in real-time scenarios. This is a powerful methodology of modern Operational Research for framing, analyzing, and discussing complex issues and problems. System dynamics modeling is often the background of a systemic thinking approach and has become a management and organizational development paradigm. This paper proposes a system...
Energy-dense foods are relatively cheap sources of energy but typically have a low nutrient density. People with a low income may therefore select a relatively less healthy diet. The high energy density of such diets helps explain the association between obesity and low socioeconomic status. Most studies have been carried out in highly developed countries. We have extended this research to South Africa...
In order to have stability and improve efficiency in power supply, there is need to analyze and understand the complex interrelated factors affecting the efficiency and stability of power supply. The factors that affect the efficacy and stability in power supply in any developing country/region could be classified as follows: government policy; economy factor; natural factor; society/community factor;...
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