Specialization is added at every step of the supply chain which could the reason for the existence of a supply chain.
What is meant by supply chain?
A supply chain is a linkage between the company and its vendors for product distribution in the market for sale.
The supply chain involves many entities like production firms, vendors, distribution companies, transportation companies, etc. Every step of the supply chain needs specialized expertise for performing the operations like the production firm needs raw materials to convert the goods into saleable ones.
Therefore, the existence of a supply chain would be due to specialization which requires in every step of it.
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