Yusuf, Ijaz with Khalid Saeed, "A System Dynamics Approach to Analyze the Effect of High Set Up Time of Machines on Marketing Growth: The Case of Packages LTD. Pakistan", 1995
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This study aims at exploring the polices for the order arrival rate from decision making bodies in order to smooth down the activities of production by lowering the set up time of machines. The impact of scheduling techniques is examined and production and market operations are observed carefully in order to solve the problem of reduced proportion of machine running time. Everything seems to be okey but the proportion of machine running time has the declining trend. Especially, the production and market operations are considered with the positive and negative feedback loops that influence the proportion of machine running time. Ultimately, the decision is made to solve the problem by the construction of formal System Dynamics Model to analyze the interaction of different components of the company. The model provides a detailed, integrated framework among separate facets of the issue addressed representing the past behavior of the production sector. Experimentation with the model attempts to identify the appropriate policies concerning proportion of machine running time.