Who is the "emperor" in this novel? Ludo or Murray?

How does the character of Marina grow during this novel? How does the character of Danielle deteriorate?

The author devotes considerable pages to Bootie Tubb. Why is this?

In what way are the three friends behaving like the emperor with no clothes? What incidents in each of their lives represent the moment when someone says, "The emperor has no clothes"?

Why does Murray change his mind about publishing his secret manuscript?

Does Murray view the people in his life as how they can reflect upon him and his stats? What are examples of this?

Why does Ludo resent Murray so much?

Does Murray view the people in his life as instruments to reflect well upon him and his status? What are examples of this?