A class of simple distribution-free rank-based unit root tests

Distribution of the Estimators for Autoregressive Time Series with a Unit Root

David A. Dickey, Wayne A. Fuller · Journal of the American Statistical Association · 1979 · 23K citations · Full text

Business, Economics, Econometrics +12

Testing for a unit root in time series regression

Peter C.B. Phillips, Pierre Perrón · Biometrika · 1988 · 17.9K citations

Social Sciences, Economics, Econometrics +16

Testing for unit roots in heterogeneous panels

Kyung So Im, M. Hashem Pesaran, Yongcheol Shin · Journal of Econometrics · 2003 · 15K citations · Full text

Social Sciences, Economics, Causal Inference +9

Likelihood Ratio Statistics for Autoregressive Time Series with a Unit Root

David A. Dickey, Wayne A. Fuller · Econometrica · 1981 · 14.6K citations

Business, Economics, Econometrics +15

Unit root tests in panel data: asymptotic and finite-sample properties

Andrew Levin, Chien‐Fu Lin, Chia-Shang James Chu · Journal of Econometrics · 2002 · 12.7K citations

Social Sciences, Economics, Econometrics +13