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Uncertainty and Monetary Policy in Good and Bad Times: A Replication of the VAR Investigation by Bloom (2009)

Author

Listed:
  • Giovanni Caggiano
  • Efrem Castelnuovo
  • Gabriela Nodari

Abstract

This paper revisits the well-known VAR evidence on the real effects of uncertainty shocks by Bloom (Econometrica 2009(3): 623-685. doi: 10.3982/ECTA6248). We replicate the results in a narrow sense using Eviews. In a wide sense, we extend his study by working with a smooth transition-VAR framework that allows for business cycle-dependent macroeconomic responses to an uncertainty shock. We find a significantly stronger response of real activity in recessions. Counterfactual simulations point to a greater effectiveness of systematic monetary policy in stabilizing real activity in expansions.

Suggested Citation

  • Giovanni Caggiano & Efrem Castelnuovo & Gabriela Nodari, 2020. "Uncertainty and Monetary Policy in Good and Bad Times: A Replication of the VAR Investigation by Bloom (2009)," CAMA Working Papers 2020-74, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    • Handle: RePEc:een:camaaa:2020-74
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    File URL: https://crawford.anu.edu.au/sites/default/files/2025-01/74_2020_caggiano_castelnuovo_nodani.pdf
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    Cited by:

    1. Caggiano, Giovanni & Castelnuovo, Efrem & Pellegrino, Giovanni, 2021. "Uncertainty shocks and the great recession: Nonlinearities matter," Economics Letters, Elsevier, vol. 198(C).
    2. Amritkant MISHRA, 2024. "Do Economic Policy Uncertainty Have Ramifications On Inflation And Stock Market Performance? Evidence From Global Framework," Studies in Business and Economics, Lucian Blaga University of Sibiu, Faculty of Economic Sciences, vol. 19(3), pages 172-190, December.
    3. Haque, Qazi & Magnusson, Leandro M., 2021. "Uncertainty shocks and inflation dynamics in the U.S," Economics Letters, Elsevier, vol. 202(C).
    4. Josué Diwambuena & Jean-Paul K. Tsasa, 2021. "The Real Effects of Uncertainty Shocks: New Evidence from Linear and Nonlinear SVAR Models," BEMPS - Bozen Economics & Management Paper Series BEMPS87, Faculty of Economics and Management at the Free University of Bozen.
    5. Usman, Ojonugwa & Ozkan, Oktay & Koy, Ayben & Adebayo, Tomiwa Sunday, 2024. "Energy-related uncertainty shocks and inflation dynamics in the U.S: A multivariate quantile-on-quantile regression approach," Structural Change and Economic Dynamics, Elsevier, vol. 71(C), pages 235-247.
    6. Nicholas Apergis & Emmanuel Apergis, 2025. "Uncertainty and inflation: The role of COVID-19 stabilisation policies-Evidence from OECD countries," International Economics and Economic Policy, Springer, vol. 22(1), pages 1-9, February.
    7. Andreas Dibiasi & Heiner Mikosch & Samad Sarferaz, 2025. "Uncertainty Shocks, Adjustment Costs, and Firm Beliefs: Evidence from a Representative Survey," American Economic Journal: Macroeconomics, American Economic Association, vol. 17(3), pages 36-73, July.

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    Keywords

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    JEL classification:

    • 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
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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