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A hybrid time-varying parameter Bayesian VAR analysis of Okun’s law in the United States

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  • Karlsson, Sune
  • Österholm, Pär

Abstract

Employing quarterly data on GDP growth and the unemployment rate ranging from 1948Q3 to 2019Q4, we study the stability of Okun’s law in the United States. This is done by estimating hybrid time-varying parameter Bayesian VAR models that allow for time-variation in none, one or both of the equations. Model comparison based on marginal likelihoods suggests that the relationship has not been stable. However, the amount of change in the dynamic relationship between the two variables is quantitatively very modest.

Suggested Citation

  • Karlsson, Sune & Österholm, Pär, 2020. "A hybrid time-varying parameter Bayesian VAR analysis of Okun’s law in the United States," Economics Letters, Elsevier, vol. 197(C).
    • Handle: RePEc:eee:ecolet:v:197:y:2020:i:c:s0165176520303827
    DOI: 10.1016/j.econlet.2020.109622
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    References listed on IDEAS

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    4. Luca Zanin & Giampiero Marra, 2012. "Rolling Regression Versus Time‐Varying Coefficient Modelling: An Empirical Investigation Of The Okun'S Law In Some Euro Area Countries," Bulletin of Economic Research, Wiley Blackwell, vol. 64(1), pages 91-108, January.
    5. Valadkhani, Abbas & Smyth, Russell, 2015. "Switching and asymmetric behaviour of the Okun coefficient in the US: Evidence for the 1948–2015 period," Economic Modelling, Elsevier, vol. 50(C), pages 281-290.
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    7. James H. Stock & Mark W. Watson, 2012. "Disentangling the Channels of the 2007-09 Recession," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 43(1 (Spring), pages 81-156.
    8. Holmes, Mark J. & Silverstone, Brian, 2006. "Okun's law, asymmetries and jobless recoveries in the United States: A Markov-switching approach," Economics Letters, Elsevier, vol. 92(2), pages 293-299, August.
    9. Giorgio E. Primiceri, 2005. "Time Varying Structural Vector Autoregressions and Monetary Policy," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 72(3), pages 821-852.
    10. An, Zidong & Ball, Laurence & Jalles, Joao & Loungani, Prakash, 2019. "Do IMF forecasts respect Okun’s law? Evidence for advanced and developing economies," International Journal of Forecasting, Elsevier, vol. 35(3), pages 1131-1142.
    11. Chan, Joshua C.C. & Eisenstat, Eric, 2018. "Comparing hybrid time-varying parameter VARs," Economics Letters, Elsevier, vol. 171(C), pages 1-5.
    12. Q. Farooq Akram & Haroon Mumtaz, 2019. "Time‐Varying Dynamics of the Norwegian Economy," Scandinavian Journal of Economics, Wiley Blackwell, vol. 121(1), pages 407-434, January.
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    Citations

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    Cited by:

    1. Foroni, Claudia & Furlanetto, Francesco, 2022. "Explaining Deviations from Okun's Law," CEPR Discussion Papers 17369, C.E.P.R. Discussion Papers.
    2. Helge Berger & Sune Karlsson & Pär Österholm, 2023. "A note of caution on the relation between money growth and inflation," Scottish Journal of Political Economy, Scottish Economic Society, vol. 70(5), pages 479-496, November.
    3. Samuel Tabot Enow, 2022. "Modelling Stock Market Prices Using the Open, High and Closes Prices. Evidence from International Financial Markets," International Journal of Business and Economic Sciences Applied Research (IJBESAR), Democritus University of Thrace (DUTH), Kavala Campus, Greece, vol. 15(3), pages 52-59, December.
    4. Beechey, Meredith & Österholm, Pär & Poon, Aubrey, 2023. "Estimating the US trend short-term interest rate," Finance Research Letters, Elsevier, vol. 55(PA).
    5. Tamás Kiss & Hoang Nguyen & Pär Österholm, 2023. "Modelling Okun’s law: Does non-Gaussianity matter?," Empirical Economics, Springer, vol. 64(5), pages 2183-2213, May.
    6. Edvinsson, Rodney & Karlsson, Sune & Österholm, Pär, 2023. "Does Money Growth Predict Inflation? Evidence from Vector Autoregressions Using Four Centuries of Data," Working Papers 2023:3, Örebro University, School of Business.

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    More about this item

    Keywords

    Unemployment; GDP growth; Bayesian VAR; Time-varying parameters; Model selection;
    All these keywords.

    JEL classification:

    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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