The paper presents a concrete example of the selected Theory of Constraints (TOC) technique implementation in order to identify the main causes of undesirable consequences in the context of supply logistics issues. Determining the undesirable consequences of supply logistics is primarily related to the adverse impact on costs, profitability and quality of outsourcing enterprise which provide services in supply chain field. Particularly, this implementation includes individual steps of the process related to the creation of the specific TOC technique. The outcome is to identify the main causes which have the most significant impact on the negative consequences.
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