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How useful are tests for uni-root in distinguishing unit-root processes from stationary but non-linear processes?
Choi, Chi-young, (2007)
How useful are tests for unit-root in distinguishing unit-root processes from stationary but non-linear processes?
Choi, Chi-Young, (2007)
A reexamination of output convergence in the U.S. States : toward which level(s) are they converging?
Choi, Chi-young, (2004)