Table III The results of augmented...

Table III

The results of augmented Dickey-Fuller (ADF) tests

Variable	ADF test statistic	(c, t, k)	5% level	Conclusion
$l n D_{t}^{m}$	−6.477	(c, 0, 1)	−2.913	Stationary
$l n P_{t}^{m}$	−2.610	(c, 0, 1)	−2.913	Stationary
lnINC_t	−1.900	(c, 0, 1)	−2.913	Non-stationary
d.lnINC_t	−5.859	(c, 0, 1)	−2.914	Stationary
$l n P_{t}^{c}$	−1.334	(c, 0, 1)	−2.913	Non-stationary
$d . l n P_{t}^{c}$	−5.959	(c, 0, 1)	−2.914	Stationary

Variable	ADF test statistic	(c, t, k)	5% level	Conclusion
$l n D_{t}^{m}$	−6.477	(c, 0, 1)	−2.913	Stationary
$l n P_{t}^{m}$	−2.610	(c, 0, 1)	−2.913	Stationary
lnINC_t	−1.900	(c, 0, 1)	−2.913	Non-stationary
d.lnINC_t	−5.859	(c, 0, 1)	−2.914	Stationary
$l n P_{t}^{c}$	−1.334	(c, 0, 1)	−2.913	Non-stationary
$d . l n P_{t}^{c}$	−5.959	(c, 0, 1)	−2.914	Stationary

Notes: $l n D_{t}^{m}$ ⁠, $l n P_{t}^{m}$ ⁠, lnINC_t, $l n P_{t}^{c}$ denote the logarithmic series of amount of pork consumption, pork price, average income of residents and chicken price. c is constant, t represents trend and k is lag length. The sample period covers from June 2009 to June 2015

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