Variables | Differentiation of order 0 | Differentiation of order 1 | Differentiation of order 2 | Result | |||
p-value PP. test | p-value ADF. test | p-value PP. test | p-value ADF. test | p-value PP. test | p-value ADF. test | ||
GDPH | 0.7657 | 0.7147 | 0.0079 | 0.006 | * | * | d = 1 |
GDPG | 0.9865 | 0.9933 | 0.0079 | 0.0079 | * | * | d = 1 |
GDPT | 0.9998 | 0.9999 | 0.0082 | 0.0084 | * | * | d = 1 |
PO | 1.0000 | 1.0000 | 0.0000 | 0.0000 | * | * | d = 1 |
H | 1.0000 | 0.8368 | 0.0008 | 1.0000 | 0.0001 | 0.9999 | d = 1 |
S | 0.9997 | 0.9998 | 0.0472 | 0.7145 | 0.0000 | 0.0000 | d = 1 |
CE | 0.9999 | 1.0000 | 0.0529 | 0.0437 | 0.0000 | 0.0000 | d = 1 |
LGDPH | 0.6305 | 0.5674 | 0.0070 | 0.0061 | * | * | d = 1 |
LGDPG | 0.7450 | 0.7245 | 0.0168 | 0.0168 | * | * | d = 1 |
LGDPT | 0.8879 | 0.8947 | 0.0036 | 0.0027 | * | * | d = 1 |
LPO | 0.0017 | 0.0000 | * | * | * | * | d = 0 |
LH | 1.0000 | 0.9979 | 0.0000 | 0.9688 | 0.0000 | 0.9999 | d = 1 |
LS | 0.0002 | 0.0000 | * | * | * | * | d = 0 |
LCE | 0.3529 | 0.5823 | 0.0153 | 0.0154 | * | * | d = 1 |