Vertical Relationships in the Automotive Industry: Do They Matter?

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Abstract
In this note we examine how vertical relationships are related to the efficiency of the operations in the automotive production chain. We first provide an overview of the nature of supplier arrangements by comparing current practices in the countries Japan, US, and Germany. Current best practices show that vertical linkages in the automotive industry have shifted away from simple market transactions and now involve closer long-term interactions coupled however with subtle incentive elements. We outline the economic issues which are present in vertical relationships and include a brief account of differing theoretical perspectives. Then, we use a refined methodology to measure productivity at the industry level for the supplier industries automotive parts and metalworking and for the final assembly industry. It turns out that Japanese industries achieve the highest productivity level at the supplier and at the assembly level. We interpret the empirical results and relate the differences in vertical arrangemen s with the efficiency of both parts in the relation.

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