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Please use this identifier to cite or link to this item: http://hdl.handle.net/2451/26938

Title: The Properties of Automatic Gets Modelling
Authors: Hendry, David F.
Krolzig, Martin
Keywords: Econometric methodology
model selection
Issue Date: 8-Oct-2004
Series/Report no.: SC-CFE-05-03
Abstract: After reviewing the simulation performance of general-to-specific automatic regression model selection, as embodied in PcGets, we show how model selection can be non-distortionary: approximately unbiased ‘selection estimates’ are derived, with reported standard errors close to the sampling standard deviations of the estimated DGP parameters, and a near-unbiased goodness-of-fit measure. The handling of theory-based restrictions, non-stationarity, and problems posed by collinear data are considered. Finally, we consider how PcGets can handle three ‘intractable’ problems: more variables than observations in regression analysis; perfectly collinear regressors; and modelling simultaneous equations without a priori restrictions.
URI: http://hdl.handle.net/2451/26938
Appears in Collections:Financial Econometrics

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