By Philip Pilkington
I recently had an argument with a few New Keynesian types in the comments section of Lars Syll’s blog. I won’t get into the nuances here as they are not very interesting. Basically the New Keynesians were trying to defend the idea that, in the long-run, wages are indeed flexible. The argument went nowhere partially, I think, because they misunderstood what the phrase “wages are flexible in the long-run” means.
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To me that means that wages are both flexible in the sense that they will clear labour markets in the long-run (i.e. in the long-run there will be full employment so long as the correct level of interest rates is maintained in line with some Taylor Rule,