This paper develops a general asymptotic theory of regression for processes which are integrated of order one. The theory includes vector autoregressions and multivariate regressions amongst integrated processes that are driven by innovation sequences which allow for a wide class of weak dependence and heterogeneity. The models studied cover cointegrated systems and quite general linear simultaneous equations systems with contemporaneous regressor-error correlation and serially correlated errors. Problems of statistical testing in vector autoregressions and multivariate regressions with integrated processes are also studied. It is shown that the asymptotic theory for conventional tests involves major departures from classical theory and raises new and important issues of the presence of nuisance parameters in the limiting distribution theory.
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Length: 43 pages Date of creation: Sep 1985 Date of revision: Publication status: Published in Review of Economic Studies (1986), 53: 473-495 Handle: RePEc:cwl:cwldpp:768
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Evans, G B A & Savin, N E, 1984.
"Testing for Unit Roots: 2,"
Econometrica,
Econometric Society, vol. 52(5), pages 1241-69, September.
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