What are the advantages and disadvantages of centralising business services at group level instead of leaving them inside the single airlines?

Organizational Structures of IAG Group and Its Business Units

Based on information publicly available and on your understanding of the airline business, write a report reviewing the specific organisation setup, commenting on topics such as:

Review the company structure and critically evaluating key differences between Group level
and wider company. Ensure that you cover challenges and opportunities in being structured
this way.

What are the advantages and disadvantages of centralising business services at group level instead of leaving them inside the single airlines?

What other activities could be centralised at the group level without significantly impacting the
wider business and strategic business units?

Identify the various types of airline metrics – financial and non-financial which are reported at
group level and state why these are important for the organisation at group and those at strategic
business units.

With economies of scale in mind, what challenges and benefits will Air Europa deal bring and how
will this impact the wider IAG group and its companies?