Inflation asymmetry, menu costs and aggregation bias – A further case for state dependent pricing

No 2010/3, MNB Working Papers from Magyar Nemzeti Bank (Central Bank of Hungary)

Abstract: Asymmetric inflation response to aggregate shocks is an identifying macro-prediction of state dependent pricing models with trend inflation (Ball and Mankiw, 1994). The paper uses the natural experiment of symmetric value-added tax (VAT) changes in Hungary with highly asymmetric inflation responses to provide further evidence for state-dependent pricing and for the Ball-Mankiw conjecture. The paper shows, furthermore, that while a standard menu cost model like that of Golosov and Lucas (2007) underestimates the observed asymmetry, a model of multi-product firms that takes sectoral heterogeneity explicitly into consideration can quantitatively account for the inflation asymmetry observed in the data. This aggregation bias of the standard model is the result of the strong interaction term between trend inflation and menu costs in determining asymmetry in the model, and the positive correlation between sectoral inflation rates and menu costs in the data. The paper implies that the real effects of negative monetary shocks can be substantial even in the standard Golosov and Lucas (2007) model if these additional factors are taken into consideration.

Keywords: aggregation bias; inflation asymmetry; menu cost; sectoral heterogeneity; value-added tax (search for similar items in EconPapers)
JEL-codes: E30 (search for similar items in EconPapers)
Pages: 41 pages
Date: 2010
New Economics Papers: this item is included in nep-cba, nep-mac and nep-mon
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Citations: View citations in EconPapers (6)

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