How does the final paragraph supports the authors claim that being chosen as an Olympic host cities improve the well-being of its residence?

Everything is reasons why cities wants to host the Olympics
It explains how much money is generated by being a host city for the Olympics.
It reveals how difficult it is to be selected as a host city.
It explains the costs associated with building, anything new that is necessary for hosting the games.

To accurately analyze how the final paragraph supports the author's claim, the content of the paragraph should be provided.