"japanese manufacturers often pursue a strategy that is part collaboration, part purchasing from a few suppliers, and part vertical integration. what is this approach called?
a) kanban
b) keiretsu
c) samurai
d) poka-yoke
e) kaizen

B) keiretsu

Explanation:

Based on the information provided within the question it can be said that this type of approach is called a Keiretsu. Like mentioned in the question this is a business approach in Japan's business community where a set of companies are interlocked in business relationships and shareholdings as an informal business group that deal with different forms of alliances. Such as collaborations, trading, and vertical integration.

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