1) Why does Alphabet own widely different subsidiaries under the same corporate structure? What are the benefits of this choice? and the costs?

2)What is the rationale behind the decentralized structure chosen by Alphabet? What are the benefits of this conglomerate structure? Its drawbacks? Under what conditions is this structure an appropriate organizational design for a diversified company?

3)Is Alphabet's corporate governance (and in particular the presence of dual class shares) appropriate for the organization? What are the benefits? And the costs?