Yin, Yong; Wu, Shaowen - In: Nonstationary panels, panel cointegration, and dynamic …, (pp. 275-296). 2001
Several stationarity tests in heterogeneous panel data models are proposed in this chapter. By allowing maximum degree of heterogeneity in the panel, two different ways of pooling information from independent tests, the group mean and the Fisher tests, are used to develop the panel stationarity...