He, Changli (contributor); Sandberg, Rickard (contributor) - 2005 - [Elektronische Ressource], Rev. February 18, 2005
has been presented at the 11th Biennial Panel Data Conference
at College Station, Texas 2004, and at the Ibmec Business … School, S�o Paulo, Brazil 2004.
1
1 Introduction
One can expect the traditional panel data unit root tests by Quah (1994 … breaks) in many
single, say, macroeconomic time series are found, it seems that the traditional panel
data unit root tests in …