Marriott, J. M.; Naylor, J. C.; Tremayne, A. R. - In: Econometrics Journal 6 (2003) 1, pp. 124-145
Many macroeconomic time series exhibit non-stationary behaviour. When modelling such series an important problem is to assess the nature of this non-stationary behaviour. Initial interest centred on two types of linear non-stationary models, namely those for which the removal of a trend induces...