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How to Estimate a VAR after March 2020 / Michele Lenza, Giorgio E. Primiceri.
- Format:
- Book
- Author/Creator:
- Lenza, Michele.
- Series:
- Working Paper Series (National Bureau of Economic Research) no. w27771.
- NBER working paper series no. w27771
- Language:
- English
- Physical Description:
- 1 online resource: illustrations (black and white);
- Place of Publication:
- Cambridge, Mass. National Bureau of Economic Research 2020.
- Summary:
- This paper illustrates how to handle a sequence of extreme observations--such as those recorded during the COVID-19 pandemic--when estimating a Vector Autoregression, which is the most popular time-series model in macroeconomics. Our results show that the ad-hoc strategy of dropping these observations may be acceptable for the purpose of parameter estimation. However, disregarding these recent data is inappropriate for forecasting the future evolution of the economy, because it vastly underestimates uncertainty.
- Notes:
- Print version record
- September 2020.
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