There is an interesting debate going on in the UK at present about the concept of tiered bank reserves. The concept is now being used by commentators to argue that the new British government does not need to inflict the austerity that the Chancellor has now announced (even though she is denying that is what the government is up to) because the government can simply reduce outlays to the commercial banks in order to meet the fiscal rules. The discussion is rather asinine really and features all the missteps that commentators make when trying to appear progressive but falling into the usual mainstream macroeconomic fictions.