Felix Salmon submits:

Paul Krugman today argues in favor of a financial-transactions tax on the grounds that it would discourage over-reliance on ultra-short-term repo markets, among other reasons. In other words, reliance on repos is a bad thing, and it’s a good idea for government policy to “nudge” financial institutions away from it.

That’s something that opponents of the Miller-Moore amendment should bear in mind, when they complain that it could hit the repo market hard. Here’s Agnes Crane:

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