Empirical Studies on the Dynamic Relationship between Port Logistics and Marine Economic Development in Fujian Province

Table 1

Root in unit test for the variables.

Variable	ADF test values	Critical value			Conclusion
		1%	5%	10%
LNGDP	−1.58	−3.621	−2.910	−3.221	Not smooth
D(LNGDP)	−1.031	−1.314	−2.170	−1.463	Not smooth
D2(LNGDP)	−5.021	−3.508	−1.953	−1.231	Steady
LNCX	−3.724	−2.365	−4.058	−3.752	Not smooth
D(LNCX)	−1.275	−1.327	−2.966	−1.271	Not smooth
D2(LNCX)	−3.209	−1.526	−1.916	−1.235	Steady
LNGJ	−2.417	−3.292	−2.648	−3.851	Not smooth
D(LNGJ)	−3.961	−1.291	−2.951	−1.207	Steady
LNXQ	−1.953	−2.492	−2.628	−3.281	Not smooth
D(LNXQ)	−4.071	−3.691	−2.960	−1.690	Steady