Harvey, David I.; Leybourne, Stephen J.; Taylor, A. M. … - Granger Centre for Time Series Econometrics, School of … - 2010
It is well known that it is vital to account for trend breaks when testing for a unit root. In practice, uncertainty exists over whether or not a trend break is present and, if it is, where it is located. Harris et al. (2009) and Carrion-i-Silvestre et al. (2009) propose procedures which account...