Research on the Operation of e-Commerce Enterprises Based on Blockchain Technology and Bilateral Platforms

Table 3

ADF test results.

Variable	Level	First order difference	Number of unit roots
	−1.93	−7.55
	−1.69	−5.47
	−1.41	−7.20
	−2.65	−9.87
	0.30	−7.36
	4.10	−0.39
	−2.62	−13.20
	−2.87	−8.28
	−3.34	−9.81
	−2.62	−9.81
	−2.41	−16.41