domingo, 11 de marzo de 2012

Graeber cycles and the wicksellian Judgement Day

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"One of the things you hope students learn in a course like this is that money consists of three things: demand deposits (checking accounts and the like), currency and bank reserves. The first is a liability of private banks, the latter two are liabilities of the central bank. That money is always someone's liability -- a debt -- is often a hard thing for students to get their heads around..."

"We are lumping together two very different kinds of "money." Currency looks like classical money, like gold; but demand deposits do not. The most obvious difference, at least in the context of macroeconomics, is that one is exogenous (or set by policy) and the other endogenous. We paper this over by talking about reserve requirements, which allow the central bank to set "the" money supply to determine "the" interest rate. But everyone knows that reserve requirements are a dead letter and have been for decades, probably. While monetarists like Nick Rowe insist that there's something special about currency -- they have to, given the logic of their theories -- in the real world the link between the "money" issued by central banks and the "money" that matters for the economy has attenuated to imperceptible gossamer, if it hasn't been severed entirely. The best explanation for how conventional monetary policy works today is pure convention: With the supply of money entirely in the hands of private banks, policy is effective only because market participants expect it to be effective."

"What looked potential a dozen years ago is now actual, if it wasn't already then. It's impossible to tell any sensible macroeconomic story that hinges on the quantity of outside money. The shift in our language from money, which can be measured -- that one could formulate a "quantity theory" of -- to discussions of liquidity, still a noun but now not a tangible thing but a property that adheres in different assets to different degrees, is a key diagnostic. And liquidity is a result of the operations of the financial system, not a feature of the natural world or a dial that can be set by the central bank."

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