Search for: [Description = This paper describes the optimization studies aime dat analysing the impact of the parameter described by the discount factor on the cost of the system and its structure. The study was conducted on the example of the analysis of medical waste management system in north\-eastern Poland, in the Podlaskie Province. The scope of operational research carried out under the optimization study was divided into two stages of optimization calculations with assumed technical and economic parameters of the system. In the first stage, the lowest cost of functioning of the analysed system was generated, whereas in the second one the influence of the input parameter of the system, i.e. the discount factor on the economic efficiency index \(E\) and the spatial structure of the medical waste management system was determined. With the assumed discount factor in the range of 0.980 to 0.909, the highest cost of the system was achieved at the level of 2332.60 PLN\/Mg \(increase of economic efficiency index E by ca. 46% in comparison with course 1, with discount factor = 0.980\)\; furthermore, discount factor = 0.909 produced the lowest value of the economic efficiency index, i.e. E = 1164.20 PLN\/Mg \(a decrease of E by ca. 27% in comparison with course 1\).]

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