Bayesian Prior Elicitation in DSGE Models: Macro- vs. Micro-Priors
Marco J. Lombardi
European Central Bank (ECB)
Bank of Italy
January 11, 2011
ECB Working Paper No. 1289
Bayesian approaches to the estimation of DSGE models are becoming increasingly popular. Prior knowledge is normally formalized either be information concerning deep parameters’ values (‘microprior’) or some macroeconomic indicator, e.g. moments of observable variables (‘macroprior’). In this paper we introduce a non parametric prior which is elicited from impulse response functions. Results show that using either a microprior or a macroprior can lead to different posterior estimates. We probe into the details of our result, showing that model misspecification is to blame for that.
Number of Pages in PDF File: 49
Keywords: DSGE Models, Bayesian Estimation, Prior Distribution, Impulse Response Function
JEL Classification: C11, C51, E30working papers series
Date posted: January 16, 2011
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