Energy · 2020 · 191 citations · 79 references
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Testing for unit roots in heterogeneous panels
Kyung So Im, M. Hashem Pesaran, Yongcheol Shin · Journal of Econometrics · 2003 · 15K citations · Full text
General Diagnostic Tests for Cross Section Dependence in Panels
M. Hashem Pesaran · SSRN Electronic Journal · 2004 · 8.2K citations · Full text