Table 3.

Augmented Dickey-Fuller (ADF) test results after first differencing

Seriesp-valueLagMax. lagObservations
D(BCI)0.00050484
D(CPI)0.00000484
D(GDP)0.00001483
D(PP)0.00001483
D(PPI__APPLIANCES_)0.00000484
D(PPI__CERAMIC_)0.00000484
D(PPI__CONCRETE_)0.00204480
D(PPI__ELECTRICAL_)0.01574480
D(PPI__OTHER_METALS_)0.00000484
D(PPI__OTHER_MATERIALS_)0.00000484
D(PPI__PLUMBING_)0.00000484
D(PPI__STEEL_)0.00002482
D(PPI__TIMBER_)0.00000484
D(UR)0.00503481
Note(s):

Legend: CPI = consumer price index, GDP = gross domestic product, LP = labour productivity, PP = petroleum price, PPI = producer price index, UR = unemployment rate

Source(s): Author’s own work

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