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JUSTIFICATION OF ECONOMIC EFFICIENCY OF IMPLEMENTATION OF LEAN PRODUCTION

Currently, the topic of introducing lean production is becoming more and more relevant, which is confirmed by the number of enterprises involved in this process, as well as widespread coverage in the media and popular science publications. The economic component of these projects plays a special role in the implementation of lean production, since with the correct calculation of the economy at the start, the rate of implementation is much higher, and the percentage of adoption of the implemented tools is higher. Today there are many ways to calculate the economic effect, but most of them are general in nature and do not fully demonstrate the specific results of changing processes. In addition, natural rather than financial indicators are often used, which complicates the overall assessment of the efficiency of the applied solutions. The purpose of this article is to assess the impact of value stream mapping, as a key tool of lean production, on eliminating losses and improving the productivity of the enterprise as a whole. The practical basis of the research was the experience of implementing lean manufacturing in more than 2 thousand commercial enterprises of various industries, with revenue from 100 million to 25 billion and an average number of 10 to 10 000 people.