Nassim Nicholas Taleb is always worth reading.
And thus, Taleb and Martin argue that financial agents need more "skin in the game".
This means that :
It's good to see smart people like Taleb, Kay and Haldane thinking hard about what went wrong and how to fix things. As Kay's said, we need to separate the "casino" part of the bank from the "utility". Human nature being what it is, you can't always trust people, especially when such large amounts of money are floating around and the reward structures are misaligned. Financiers should understand that without "skin in the game", then Hammurabi's Code might mean a sticky end ...