A Panel Stationarity Test with Gradual Structural Shifts: Re-investigate the International Commodity Price Shocks", Economic Modelling, 61, 181-192.
Testing for stationarity with covariates: more powerful tests with non-normal errors. Studies in Nonlinear Dynamics & Econometrics. 2021
Convergence in OPEC Carbon Dioxide Emissions: Evidence from New Panel Stationarity Tests with Factors and Breaks. Economic Modelling. 2021
Disclaimer: These programs can be used by anyone at the user's discretion. The programs are believed to be correct but not guaranteed.