Skrobotov, Anton - Gaidar Institute for Economic Policy - 2012
uncertainty over the trend and/or initial condition. As dierent tests are e cient for dierent magnitudes of local trend and … initial condition, following Harvey et al. (2012) we propose decision rule based on the rejection of null hypothesis for … magnitudes of the local trend and/or the initial condition that is obtained through pre-testing. The resulting modification has …