Estimation bias and bias correction in reduced rank autoregressions

Heino Bohn Nielsen

Econometric Reviews, 2019, vol. 38, issue 3, 332-349

Abstract: This paper characterizes the finite-sample bias of the maximum likelihood estimator (MLE) in a reduced rank vector autoregression and suggests two simulation-based bias corrections. One is a simple bootstrap implementation that approximates the bias at the MLE. The other is an iterative root-finding algorithm implemented using stochastic approximation methods. Both algorithms are shown to be improvements over the MLE, measured in terms of mean square error and mean absolute deviation. An illustration to US macroeconomic time series is given.

Date: 2019
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DOI: 10.1080/07474938.2017.1308065

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