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Title: Robust Bartlett adjustment for hypotheses testing on cointegrating vectors: A bootstrap approach
Authors: Canepa, A
Keywords: Cointegration;Bootstrap;Bartlett correction
Issue Date: 2012
Publisher: Brunel University
Citation: Economics and Finance Working Paper, Brunel University, 12-10, Jun 2012
Abstract: Johansen's (2000) Bartlett correction factor for the LR test of linear restrictions on cointegrated vectors is derived under the i.i.d. Gaussian assumption for the innovation terms. However, the distribution of most data relating to financial variables are fat-tailed and often skewed, there is therefore a need to examine small sample inference procedures that require weaker assumptions for the innovation term. This paper suggests that using a non-parametric bootstrap to approximate a Bartlett-type correction provides a statistic that does not require specification of the innovation distribution and can be used by applied econometricians to perform a small sample inference procedure that is less computationally demanding than estimating the p-value of the observed statistic.
Appears in Collections:Economics and Finance
Dept of Economics and Finance Research Papers

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