Banking liquidity ratios and the Northern Rock
Tuesday, September 18th, 2007The vast majority of people assume that they can pop down to their bank and lift their cash out at any time: not so.
Whilst this will work in the normal run of events, the actual amount of cash that the banks hold as a proportion of their total assets is around 3% in the UK according to the Bank of England. Soooo, if more than 3% of the customers decide to lift their cash, they quite quickly find that they can’t.
Unless, of course, there’s a run on the bank in which case the Bank of England will usually (not always!) provide the additional cash required as they’re obviously none too keen on getting a reputation for UK banks of not being able to meet their obligations.
This has been seen in action this week with the Northern Rock. Going by the queues seen every day, that 3% of cash has long since been used up so, in practical terms, they can’t repay any more out of their own reserves and are now existing solely on the good favour of the Bank of England.
The only “banks” where this liquidity ratio doesn’t matter are the central banks who can simply print more cash if need be. Unfortunately, most countries don’t let you have an account directly with the central bank. However, in the UK National Savings are effectively Bank of England accounts in all but name ie 100% security.
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