A PRACTICAL AND SIMPLE MANNER OF EVALUATION OF THE EFFICACY OF IMPROVEMENT METHOD CASE IN CASE OF UNFAVOURABLE ECONOMIC SITUATIONS ON THE BASIS OF FUZZY SET THEORY
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In the paper there is proposed a simple mathematical model following on from the considerations included in the theoretical papers concerning the evaluation of medical and other therapies on the ground of fuzzy sets based on lattices [2001-2004]. The method allows to introduce in the evaluation procedure a convenient scale of the valuation results followed by proposed improvement methods. In the scale one finds both the positive and negative opinions. For calculation purposes one needs to construct a table containing a list of symptoms, theoretical ones for an economic event and a list of proposed improvement methods. When the table has been constructed and filled out with numbers of the valuation scale, in the end stage one needs to use the proposed simple calculation formula for a fuzzy set which allows us to state a value of relation between the improvement method used and symptoms of economic depression. As a result it is possible to obtain a proposal for the best efficacious improvement method for a given economic problem.