Testing for unit roots in heterogeneous panels
2003 ◽
Vol 115
(1)
◽
pp. 53-74
◽
Keyword(s):
Keyword(s):
Keyword(s):
2007 ◽
Vol 137
(1)
◽
pp. 230-244
◽
2012 ◽
Vol 32
(2)
◽
pp. 183-203
◽