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inance industry, insurance industry, geological prospecting industry, real estate industry, residential services, tourism, information consulting service industry and other technical service industries, and industries which improve the scientific and cultural level and quality of citizens, such as education, culture, television broadcasting, scientific research, health, sports, and social wealth, these industries do not account for a significant proportion. This condition also stops Ningbo for optimizing its industrial structures.
c. The scale level of secondary sector is low and the concentration level is not high.
Even though the PS share of secondary sector is larger than 0, which shows that this industrial structure is advantageous in the economic development process. However, with the continuous upgrading of industrialization, the secondary sector of Ningbo faces a bottleneck, the problems are: The scale level of secondary sector is low and the concentration level is not high. In the secondary sector in Ningbo, the percentage of individual business and private business is relatively high. The production scale is relatively small, raw materials, rough finished goods, and primary goods account for a substantial proportion, however, the final goods which are both high-tech and high value-added do not account for a substantial proportion. As the scale of enterprises is not large enough, and their strengths are not strong, a majority of enterprises are lack of long-term planning, which constrains the enterprises’ ability of continuous development. What’s more, the layout of industrial enterprises in Ningbo is dispersed geographically, and the degree of concentration is only 48.8 percent. As a result, the convergence phenomenon of regional industrial structure is obvious, product structures of many enterprises are very similar, even worse, and they often compete for scarce resources and market shares for their own interest. Therefore vicious competitions repeat, which hinder the upgrading and optimization of industrial structures.
5.14 Conclusions of share-shift analysis
As the economy of Ningbo is transferring to the higher stage of industrialization, under current economic conditions, Ningbo should make the most of Hang Yong High-Speed Railway to optimize the industrial structures and achieve knowledge concentration.
Based on the actual situation of Ningbo, economic growth patterns should be transformed.
Nowadays, in Ningbo, the overall economic growth pattern is extensive, and it has not been changed. This extensive growth pattern brings resource factors and environment huge pressure. As a result, we have not time to delay the transformation of the economic go growth pattern. In the primary sector, the purpose of agriculture should transfer from livelihood security to economic benefits. In addition to liberalization of the agricultural market, superior products should receive enough support and the technological content of agriculture should be improved. As fishery and animal husbandry have high added value, the government should focus on these industries.
5.15 Results of space accessibility changes
Table5. Three main cities’ space accessibility changes
2010 2020 Change rate
Hangzhou 0.644 0.931 30.78
Ningbo 0.972 1.599 39.20
Shaoxing 0.741 1.113 33.42

From the results, space access