Output-Inflation Trade-offs and the Optimal Inflation Rate
Takushi Kurozumi () and
Willem Van Zandweghe ()
No 202020, Working Papers from Federal Reserve Bank of Cleveland
In staggered price models, a non-CES aggregator of differentiated goods generates empirically plausible short- and long-run trade-offs between output and inflation: lower trend inflation flattens the Phillips curve and decreases steady-state output by increasing markups. We show that the aggregator reduces both the steady-state welfare cost of higher trend inflation and the inflation-related weight in a model-based welfare function for higher trend inflation. Consequently, optimal trend inflation is moderately positive even without considering the zero lower bound on nominal interest rates. Moreover, the welfare difference between 2 percent and 4 percent inflation targets is much smaller than in the CES aggregator case.
Keywords: non-CES aggregator; output-inflation trade-off; optimal trend inflation (search for similar items in EconPapers)
JEL-codes: E52 E58 (search for similar items in EconPapers)
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