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Visualizing the Invisible: Estimating the New Keynesian Output Gap via a Bayesian Approach

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  • Tim Willems

    (University of Amsterdam)

Abstract

As both the natural level of output and the New Keynesian output gap cannot be observed in practice, there is quite some debate on the question how these variables look like in practice. Rather than taking the standard approach of using a time trend or the HP-filter to obtain estimates of these two objects, this paper takes a theoretically more sound route by separating trend from cycle via Bayesian estimation of a New Keynesian model, augmented with an unobserved components model for output. This delivers us with model consistent estimates of both the natural level of output and the New Keynesian output gap. These estimates are then compared with the dominant output gap proxies used in the literature. It turns out that the benefits of using the model-based approach taken in this paper mainly emerge in real time, thereby making this method potentially useful for the conduct of monetary policy.

Suggested Citation

  • Tim Willems, 2009. "Visualizing the Invisible: Estimating the New Keynesian Output Gap via a Bayesian Approach," Tinbergen Institute Discussion Papers 09-074/2, Tinbergen Institute, revised 26 Mar 2010.
  • Handle: RePEc:tin:wpaper:20090074
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    References listed on IDEAS

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    2. Saeed Dehghan Khavari & Seyed Hossein Mirjalili, 2012. "Estimation and Analysis of Output Gap: An Application of Structural Vector Autoregression and Hodrick-Prescott-Fmethods," American Journal of Economics and Business Administration, Science Publications, vol. 4(3), pages 180-189, August.
    3. Daniel Kienzler & Kai Daniel Schmid, 2013. "Monetary Policy and Hysteresis in Potential Output," IMK Working Paper 116-2013, IMK at the Hans Boeckler Foundation, Macroeconomic Policy Institute.
    4. Fethi Ogunc & Cagri Sarikaya, 2011. "Gorunmez Ama Hissedilmez Degil : Turkiye'de Cikti Acigi," Central Bank Review, Research and Monetary Policy Department, Central Bank of the Republic of Turkey, vol. 11(2), pages 15-28.

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    More about this item

    Keywords

    Key words: Bayesian estimation; unobserved components model; New Keynesian model; output gap; New Keynesian Phillips curve;
    All these keywords.

    JEL classification:

    • C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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