Uncertainty is an inherent attribute of any forecast. In this paper, we investigate four sources of uncertainty with CPB’s macroeconomic model SAFFIER: provisional data, exogenous variables, model parameters and residuals of behavioural equations. We apply a Monte Carlo simulation technique to calculate standard errors for the short-term and medium-term horizon for GDP and eight other macroeconomic variables. The results demonstrate that the main contribution to the total variance of a medium-term forecast, emanates from the uncertainty in the exogenous variables. For the short-term forecast both exogenous variables and provisional data are most relevant.
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Paper provided by CPB Netherlands Bureau for Economic Policy Analysis in its series CPB Discussion Papers with number
112.
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Alexei Onatski & Noah Williams, 2003.
"Modeling Model Uncertainty,"
NBER Working Papers
9566, National Bureau of Economic Research, Inc.
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