Lying for Money: How Legendary Frauds Reveal the Workings of the World

Adding more capacity to manage a system involves adding more people whom you have to trust.

two ways of addressing a problem of insufficient variety in the control system. One of them involves reducing the information set, which makes you vulnerable to fraud from the things you are not monitoring. And the other one involves introducing new people to trust, which makes you vulnerable to fraud if they turn out not to be trustworthy.