The problem that links business, finance and politics

By The Economist online

THE problem is as old as mankind. The Roman author Juvenal encapsulated it into a phrase “Quis custodiet ipsos custodes” or “Who guards the guards themselves?” It was neatly illustrated in the classic BBC series “I, Claudius”. The infirm Claudius wants the return of the Republic. But the Praetorian guard, set up by his relatives, needed an Emperor to ensure their special status. So on the murder of Caligula, they drag Claudius from his hiding place behind a curtain, and make him Emperor.

Throughout history, dictators have faced this problem. They can surround themselves with men with swords or guns. But it only takes one guard with a sword or gun to turn into an assassin or to seize power for himself. The Shah of Iran had a huge army in 1979 but it did him no good; the soldiers had more sympathy with the revolutionaries than with the Shah himself.

In business and finance, this is known as the “principal-agent” problem. Shareholders employ managers to run a company; investors use fund managers to look after their savings. That makes sense. It allows us to take advantage of the expertise of others, and of…

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Category: Business and finance, Buttonwood’s notebook

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