Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
The Central bank can police the internal workings of its regulated banks. It can look at the repo'ed portfolio a bit at a time, by sampling. Remember the commercial banks receive liquidity from short-term (weekly, in the ECB's case) repos. An asset that was accepted last week can become unacceptable next week, or experience a higher haircut.

It's a bit like quality control or customs inspections. You don't want to inspect every item in every box in every container but if you sample and do find a faulty item you can quarantine an entire shipment pending further investigation.

Evidently, running the discount window properly would require a lot more manpower than banking supervisors currently deploy...

Economics is politics by other means

by Carrie (migeru at eurotrib dot com) on Fri May 13th, 2011 at 04:28:22 AM EST
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