[Retracted] Study on Agglomeration Level and Effect of Equipment Manufacturing Industry in the Yangtze Delta Urban Agglomeration

Table 1

Classification of agglomeration degree of equipment manufacturing industries (2016).

	Industry and industry code	Geographic concentration index
γ > 0.05 (6 industries)	Manufacture of metal products (C33)	0.1014
	Manufacture of automobiles (C36)	0.2646
	Manufacture of railroad, marine, aerospace, and other transportation equipment (C37)	0.8138
	Manufacture of electrical machinery and equipment (C38)	0.1004
	Manufacture of computer, communications, and other electronic machinery (C39)	0.5169
	Manufacture of measuring instrument (C40)	0.1515
0.02 ≤ γ ≤ 0.05 (2 industries)	Manufacture of general-purpose machinery (C34)	0.0423
	Manufacture of special-purpose machinery (C35)	0.0475
γ < 0.02 (0 industry)

Note: γ denotes the geographical concentration index.