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Title:Some Observations in the High-Frequency Versions of a Standard New-Keynesian Model PDF Logo
Authors:Sacht, Stephen
Franke, Reiner
Issue Date:2010
Series/Report no.:Beiträge zur Jahrestagung des Vereins für Socialpolitik 2010: Ökonomie der Familie - Session: Advances of New Keynesian Macroeconomics G2-V2
Abstract:In a small-scale New-Keynesian model with a hybrid Phillips curve and IS equation, the paper is concerned with an arbitrary frequency of the agents' synchronized decision making. It investigates the validity of a fundamental methodological precept according to which no substantive prediction or explanation of a well-defined macroeconomic period model should depend on the real time length of the period. While this principle is basically satisfied as the period goes to zero, the impulse-response functions of the high-frequency versions can qualitatively as well as quantitatively be fairly dissimilar from their quarterly counterpart. The result proves to be robust under variations of the degree of price stickiness. The main conclusion is that DSGE modelling may be more sensitive to its choice of the agents' decision interval.
Subjects:Hybrid New-Keynesian mode l
high-frequency modelling
impulse-response functions
Foley's methodological precept
JEL:C63
E32
E52
Document Type:Conference Paper
Appears in Collections:Jahrestagung des Vereins für Socialpolitik 2010: Ökonomie der Familie

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