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March 29, 2015

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Posted: 29 Mar 2015 12:06 AM PDT

'Unreal Keynesians'

Posted: 28 Mar 2015 03:31 PM PDT

Paul Krugman:

Unreal Keynesians: Brad DeLong points me to Lars Syll declaring that I am not a "real Keynesian", because I use equilibrium models and don't emphasize the instability of expectations. ...
I don't care whether Hicksian IS-LM is Keynesian in the sense that Keynes himself would have approved of it, and neither should you. What you should ask is whether that approach has proved useful — and whether the critics have something better to offer.
And as I have often argued, these past 6 or 7 years have in fact been a triumph for IS-LM. Those of us using IS-LM made predictions about the quiescence of interest rates and inflation that were ridiculed by many on the right, but have been completely borne out in practice. We also predicted much bigger adverse effects from austerity than usual because of the zero lower bound, and that has also come true. ...

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