Bernardi, Mauro and Della Corte, Giuseppe and Proietti, Tommaso (2008): Extracting the Cyclical Component in Hours Worked: a Bayesian Approach.
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Abstract
The series on average hours worked in the manufacturing sector is a key leading indicator of the U.S. business cycle. The paper deals with robust estimation of the cyclical component for the seasonally adjusted time series. This is achieved by an unobserved components model featuring an irregular component that is represented by a Gaussian mixture with two components. The mixture aims at capturing the kurtosis which characterizes the data. After presenting a Gibbs sampling scheme, we illustrate that the Gaussian mixture model provides a satisfactory representation of the data, allowing for the robust estimation of the cyclical component of per capita hours worked. Another important piece of evidence is that the outlying observations are not scattered randomly throughout the sample, but have a distinctive seasonal pattern. Therefore, seasonal adjustment plays a role. We ¯nally show that, if a °exible seasonal model is adopted for the unadjusted series, the level of outlier contamination is drastically reduced.
Item Type:  MPRA Paper 

Original Title:  Extracting the Cyclical Component in Hours Worked: a Bayesian Approach 
Language:  English 
Keywords:  Gaussian Mixtures, Robust signal extraction, State Space Models, Bayesian model selection, Seasonality 
Subjects:  E  Macroeconomics and Monetary Economics > E3  Prices, Business Fluctuations, and Cycles > E32  Business Fluctuations ; Cycles C  Mathematical and Quantitative Methods > C5  Econometric Modeling > C52  Model Evaluation, Validation, and Selection C  Mathematical and Quantitative Methods > C2  Single Equation Models ; Single Variables > C22  TimeSeries Models ; Dynamic Quantile Regressions ; Dynamic Treatment Effect Models ; Diffusion Processes C  Mathematical and Quantitative Methods > C1  Econometric and Statistical Methods and Methodology: General > C11  Bayesian Analysis: General 
Item ID:  8967 
Depositing User:  Mauro Bernardi 
Date Deposited:  06. Jun 2008 07:33 
Last Modified:  16. Feb 2013 08:15 
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URI:  https://mpra.ub.unimuenchen.de/id/eprint/8967 
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