Davidson et al.'s data set is used to demonstrate the existence of a significant asymmetry in the adjustment of consumption towards equilibrium. The Granger-Lee and Escribano-Pfann methods of partitioning the error correction term are compared and it is shown that the latter produces better...

The empirical powers of recently proposed threshold cointegration tests are examined. Using an empirically realistic data generation process two crucial results are derived. First, relative to the implicitly symmetric Engle-Granger test, threshold cointegration tests lack power even in the...

The relationship between the initial condition of time series data and the power of the Dickey-Fuller (1979) test and a number of modified Dickey-Fuller tests is examined. The results obtained extend the asymptotic analysis of Muller and Elliott (2003) by both focussing upon finite-sample power...

The low power of threshold, or asymmetric, cointegration tests is addressed. A new test is developed which combines momentum-threshold autoregression (MTAR) and local-to-unity detrending via generalised least squares (GLS). Critical values for the newly proposed GLS-MTAR threshold cointegration...

The properties of Granger-causality tests are examined when applied to integrated time series. Recently presented results suggesting spurious causality in such circumstances are shown to be highly dependent upon the absence of deterministic terms from the causality testing equations. The...

The standard Dickey–Fuller (DF) test is routinely employed to analyse the integrated nature of economic and financial time series. However, recent research has shown the test to suffer severe size distortion in the presence of breaks in innovation variance under the unit root null hypothesis....

Cook and co-workers recently uncovered evidence of asymmetric adjustment in the data used by Davidson et al. An economic interpretation was provided in terms of more rapid adjustment of consumers' expenditure during recessionary periods. In the present letter this hypothesis, derived indirectly...

Building upon the results of Rossana and Seater (1995) the impact of temporal aggregation on Stock's (1987) tests of time deformation is examined. Using disaggregated UK consumption data the effect of temporal aggregation is found to be substantial, masking the non-linearity present in higher...

A novel approach is presented for the analysis of regime switching behaviour based upon the use of Geary's runs test. The proposed method is used to examine recent evidence presented concerning the application of alternative models of asymmetric error correction. The results derived show the...