Table 1 Perron (Perron, 1989) Test with one endogenous structural break
Variables | Breakpoint unit root test | ||||
|---|---|---|---|---|---|
Level | AO -model | TB1 | IO-model | TB1 | Result |
t-Statistics | t-Statistics | ||||
LnEQ | −3.9999 (11) | July 2003 | −4.0536 (11) | Aug 2003 | I(0) |
LnINT | −4.4365 (0) | March 2001 | −4.2508 (7) | Apr 2003 | I(0) |
First Difference | |||||
DLnEQ | −11.7162* (0) | May 2001 | −11.5664*(0) | Nov 2001 | I(1) |
DLnINT | −16.2252* (1) | Jan 2009 | −11.8442* (0) | May 2001 | I(1) |