Nonstationary Regression Models with a Lagged Dependent Variable
Communications in Statistics - Theory and Methods, 25(7), 1489-1503 (1996)
Posted: 31 Mar 2013
Date Written: 1996
This paper studies regression models with a lagged dependent variable when both the dependent and independent variables are nonstationary, and the regression model is misspecified in some dimension. In particular, we discuss the limiting properties of least-squares estimates of the parameters in such regression models, and the limiting distributions of their test statistics. We show that the estimate of the lagged dependent variable tends to unity asymptotically independent of its true value, while the estimates of the independent variables tend to zero. The limiting distributions of their test statistics are shown to diverge with sample size.
Keywords: Time series, integration, cointegration, spurious regression, dynamic regression
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