Table 2

The result of unit root test

VariablesADF testADF with breakpoint structure test
Level1st differenceLevelBreak date1st differenceBreak date
lnM2r−2.236−8.885*1−5.178*52006m12−5.288*52007m6
lnGs−0.974−8.602*1−3.6452013m1−10.928*12006m6
lnYp−2.003−14.343*1−5.572012m2−14.746*12012m2
REERs−2.391−9.273*1−3.7352010m7−9.907*12008m12
rs−0.0281−7.704*1−2.7912007m11−8.990*12009m2
πs−1.706−4.947*1−3.6502010m11−6.619*12010m9

Note(s): (*1), (*5), (*10) denote the significance at the 1%, 5%, and 10% levels of Zt value; 1% = −4.025 (*1), 5% = −3.445 (*5), 10% = −3.145 (*10) (ADF test); 1% = −5.57 (*1), 5% = −5.08 (*5), 10% = −4.82 (*10) (ADF test with breakpoint structure)

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