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Industrial Production

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Submitted By manjo007
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Industrial Project Management: A Handbook of Planning, Scheduling & Evaluation Techniques

Dr. Miltiadis A. Boboulos Eng. Lazar Peshev

Chapter 1 Decision modelling in management
1.1. Decision Modelling

Modelling decisions in management is a process of developing models reflecting the interrelations between relevant factors in a real situation. The model is reality presented in a simplified form. Modelling is a specific method and means of comprehension. It is applied in company management to study various activity alternatives using developed models. Every individual model comprises various components, variables, parameters, relations, limitations and criteria [1]. • Components correspond to the elements of the system under study. • Variables are used to describe the relations between individual components of the model. They can have more than a single value [2]. • Parameters characterize the influence that various variables have in the model. They are constant for every individual model, i.e. they have just a single value [2]. • Relations reflect the links, relations and interaction between various components, variables and parameters in the model [3]. • Limitations point out the variation limits and can be either placed in space and time, can be single-value or multi-value, one-sided or double-sided, global or local, etc [4]. • Criteria are means of evaluation, comparison and selection. They are objective and subjective, qualitative and quantitative [4]. The model reflects the nature, structure and functions of the original. It is its imaginary or real duplicate. Its resemblance to the original is used as a basis of building up the model and at the same time, a prerequisite for transferring the results of the experiments carried out with the model to the original. According to their form of comprehension models are classified as theoretical and empirical.

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