A comment on 'on inflation expectations in the NKPC model'

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Sammanfattning

Franses (Empir Econ, 2018. ) criticised the practice in the empirical literature of replacing expected inflation by the sum of realised future inflation and an error in estimating the parameters of the new Keynesian Phillips curve (NKPC). In particular, he argued that this assumption goes against the Wold decomposition theorem and makes the error term in the hybrid NKPC equation correlated with future inflation, invalidating the maximum likelihood (ML) estimator of Lanne and Luoto (J Econ Dyn Control 37:561-570, 2013). We argue that despite the correlation, the Wold theorem is not violated, and the ML estimator is consistent.

Originalspråkengelska
TidskriftEmpirical Economics
Volym57
Utgåva6
Sidor (från-till)1865-1867
Antal sidor3
ISSN0377-7332
DOI
StatusPublicerad - dec 2019
MoE-publikationstypA1 Tidskriftsartikel-refererad

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