Is there any research suggesting how well the corporate strategies of vertical integration, diversification, mergers and acquisitions, and alliances work?

Is there any research suggesting how well the corporate strategies of vertical integration, diversification, mergers and
acquisitions, and alliances work? Both articles are attched

Note: You are encouraged to find peer-reviewed articles on as many of the topics as possible. It is understood that all topics
are sometimes not covered in two articles. Try to cover as many of the topics in the question as is possible in the two articles you find.

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