New Pricing Models, Same Old Phillips Curves?

Adrien Auclert, Rodolfo Rigato, Matthew Rognlie and Ludwig Straub

No 17473, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: We show that, in a broad class of menu cost models, the dynamics of aggregate inflation in response to arbitrary shocks to aggregate costs are nearly the same as in Calvo models with suitably chosen Calvo adjustment frequencies. We first prove that the canonical menu cost model is first-order equivalent to a mixture of two time-dependent models, which reflect the extensive and intensive margins of price adjustment. We then show numerically that, in any plausible parameterization, this mixture is well-approximated by a single Calvo model. This close numerical fit carries over to other standard specifications of menu cost models. Thus, the Phillips curve for a menu cost model looks like the New Keynesian Phillips curve, but with a higher slope.

JEL-codes: E31 E52 (search for similar items in EconPapers)
Date: 2022-07
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Journal Article: New Pricing Models, Same Old Phillips Curves?* (2024)
Working Paper: New Pricing Models, Same Old Phillips Curves? (2022)
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