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This paper proposes a regularisation method for the estimation of large covariance matrices that uses insights from the multiple testing (MT) literature. The approach tests the statistical significance of individual pair-wise correlations and sets to zero those elements that are not...
Persistent link: https://www.econbiz.de/10011405221
accuracy is assessed through in-sample forecast evaluation across various data sub-samples. This paper also discusses how these …
Persistent link: https://www.econbiz.de/10015053640
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Models based on economic theory have serious problems at forecasting exchange rates better than simple univariate … this paper, we propose to forecast exchange rates with a large Bayesian VAR (BVAR), using a panel of 33 exchange rates vis … produces systematically better forecasts than a random walk for most of the countries, and at any forecast horizon, including …
Persistent link: https://www.econbiz.de/10003765975
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desired policy goals. This paper develops a group of models to forecast inflation for Argentina, which includes autoregressive … can improve the forecast ability of the univariate autoregressive benchmark’s model of inflation. The Giacomini-White test … indicates that a BVAR performs better than the benchmark in all forecast horizons. Statistical differences between the two BVAR …
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Economic policies are generally formulated on the basis of data available in real time, which might subsequently be revised. Implicitly, the possibility of data revisions creates an element of uncertainty around the very same data driving policy decisions. Given that such uncertainty could be...
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