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Title:Non-constant hazard function and inflation dynamics PDF Logo
Authors:Yao, Fang
Issue Date:2009
Series/Report no.:SFB 649 discussion paper 2009,030
Abstract:This paper explores implications of nominal rigidity characterized by a non-constant hazard function for aggregate dynamics. I derive the NKPC under an arbitrary hazard function and parameterize it with the Weibull duration model. The resulting Phillips curve involves lagged inflation and lagged expectations. It nests the Calvo NKPC as a limiting case in the sense that the effects of both terms are canceled out under the constant-hazard assumption. Furthermore, I find lagged inflation always has negative coefficients, thereby making it impossible to interpret inflation persistence as intrinsic. The numerical evaluation shows that the increasing hazard function leads to hump-shaped impulse responses of inflation to monetary shocks, and output leads inflation.
Subjects:Hazard function
Weibull distribution
New Keynesian Phillips Curve
JEL:E12
E31
Document Type:Working Paper
Appears in Collections:SFB 649 Discussion Papers, HU Berlin

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