1. Panel data unit roots and cointegration;Banerjee;Oxford Bulletin of Economics & Statistics,1999
2. Brockwell, P.J., Davis, R.A., 1991. Time series: Theory and Methods. Springer-Verlag, New York.
3. Chang, Y., 2000. Bootstrap unit root tests in panels with cross-sectional dependency. Mimeographed. Rice University.
4. Chang, Y., Park, J.Y., 1999. Nonstationary index models. Mimeographed. Department of Economics, Rice University.
5. Nonlinear econometric models with cointegrated and deterministically trending regressors;Chang;Econometrics Journal,2001