Environmental Science and Pollution Research · 2020 · 187 citations · 128 references
EngineeringSustainable EnergyUrban EnergySustainable DevelopmentEnergy PlanningSustainability
128
Testing for unit roots in heterogeneous panels
Kyung So Im, M. Hashem Pesaran, Yongcheol Shin · Journal of Econometrics · 2003 · 14.7K citations
Testing for Error Correction in Panel Data*
Joakim Westerlund · Oxford Bulletin of Economics and Statistics · 2007 · 5.5K citations