The impact of quality management on inventories in commercial enterprises operating within group purchasing organizations

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Inventory management costs are often high and it is necessary to introduce appropriate methods that cause their optimization. For this purpose, various types of methods supporting logistic processes are introduced. Joint activities within group purchasing organizations are also popular. Companies gain a possibility to reduce costs, in addition, when enterprises introduce appropriate quality management systems, the process of cost optimization and an improvement of inventory management efficiency should be even more visible. The purpose of this article is to analyze the impact of standardized quality management systems on inventory management. The research was conducted on a group of 68 enterprises operating in commercial group purchasing organizations. The enterprises were divided into two groups: into the companies using quality management systems and into those that do not use such systems. The analysis showed that the most frequently standardized quality management systems were used by large enterprises and the results of inventory management efficiency were at a similar level as compared to small units that do not apply quality management systems. The analysis based on selected financial indicators allows concluding that the introduction of quality management systems improves the efficiency of inventory management. The introduction of such systems allowed large enterprises to organize their warehouse management and reduce stocking reserves, which positively influenced the costs of managing them. The research period covers the years 2015–2017.

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    • Figure 1. Functioning of warehouses in a commercial group purchasing organization
    • Table 1. Average results for the inventory share ratio in the analyzed enterprises
    • Table 2. Average results for the inventory turnover ratio in days in the analyzed enterprises
    • Table 3. Average results of inventory in the analyzed enterprises
    • Table 4. Average results for the financial liquidity ratio in the analyzed enterprises
    • Table 5. Average results for the quick ratio in the enterprises analyzed
    • Table 6. Values of correlation coefficients for selected ratios