Pesaran, M. Hashem; Smith, L. Vanessa; Yamagata, Takashi - Forschungsinstitut zur Zukunft der Arbeit <Bonn> - 2007
This paper extends the cross sectionally augmented panel unit root test proposed byPesaran (2007) to the case of a multifactor error structure. The basic idea is to exploitinformation regarding the unobserved factors that are shared by other time series in additionto the variable under...