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We develop a method for directly modeling cointegrated multivariate time series that are observed in mixed frequencies. We regard lower-frequency data as regularly (or irregularly) missing and treat them with higher-frequency data by adopting a state-space model. This utilizes the structure of...
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Unit root tests and cointegration tests are sensitive to atypical events as outliers and structural breaks. This paper … uses outlier robust estimation techniques to reduce the impact of these events on cointegration analysis. As a byproduct of … that OLS based cointegration can yield spurious cointegration …
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