Sub-supplier management - developing lower-tier suppliers through sub-supplier specific investments

Cooperation between buyer, supplier and sub-supplier is increasing due to a production of goods and services that spans across the globe. As failures in the supply chain are expensive and buying firms are hold accountable for the performance of the entire supply chain, buyer started to reach out beyond their direct supplier to implement management approaches down the supply chain. The thesis supports buyers that consider sub-supplier specific investments as management tool and provides them with a concept of placing sub-supplier specific investments that can easily be adapted by buying companies