Variable	Degree of tests	Type of test	No constant and no trend	With constant and without trend	With constant and trend	Critical value at 5% threshold	Stat of test	Decision
lnTP	In level	ADF	No	No	No	−2.963972	−1.380907	I (1)
	In level	PP	No	No	No	−2.963972	−1.481806
	In difference	ADF	Yes	Yes	Yes	−2.967767	−4.272366
	In difference	PP	Yes	Yes	Yes	−2.967767	−4.273005
lnFBCA	En niveau	ADF	Yes	Yes	Yes	−2.963972	−4.590814	I (0)
	En niveau	PP	Yes	Yes	Yes	−2.963972	−4.581936
	In difference	ADF	Yes	Yes	Yes	−2.967767	−9.063324
	In difference	PP	Yes	Yes	Yes	−2.967767	−19.74902
lnPIBH	In level	ADF	No	No	No	−2.963972	−1.570191	I (1)
	In level	PP	No	No	No	−2.963972	−1.658189
	In difference	ADF	Oui	Oui	Oui	−2.967767	−4.439811
	In difference	PP	Oui	Oui	Oui	−2.967767	−4.426677
lnAPD	En niveau	ADF	Oui	Oui	Oui	−2.963972	−3.644617	I (0)
	En niveau	PP	Oui	Oui	Oui	−2.963972	−3.662852
	In difference	ADF	Oui	Oui	Oui	−2.967767	−8.258161
	In difference	PP	Oui	Oui	Oui	−2.967767	−9.357489
lnIPC	In level	ADF	Non	Non	Non	−2.991878	−1.353113	I (1)
	In level	PP	Non	Non	Non	−2.963972	−2.484830
	In difference	ADF	Oui	Oui	Oui	−2.986225	−3.952360
	In difference	PP	Oui	Oui	Oui	−2.967767	−4.247175