Abstract
Using the data of Chongqing Statistical Yearbooks from 2015 to 2020 and based on the Cobb-Douglas production function of Solow residual method, this paper constructs a functional relationship model among GDP, employment number, fixed asset investment, and economic growth. The contribution rate of independent innovation in Changshou District of Chongqing City is improved by using polynomial distributed lag model. Besides, the contribution rate of independent innovation in Shapingba District, Yuzhong District, Jiangbei District, and Beibei District of Chongqing City is compared with that in Changshou District. The research shows that, overall, independent innovation contributes a lot to the economic growth of Changshou District, but its contribution rate is in a slowly declining state. The government needs to take active measures to improve the level of independent innovation and promote the regional economic growth.
Highlights
Independent innovation is the process of realizing the value of new products through the unique core technology with independent intellectual property rights [1]
The introduction, digestion, absorption, and reinnovation belong to the primary stage, the integrated innovation belongs to the intermediate stage, and the original innovation belongs to the advanced stage
There have been many empirical studies on independent innovation and economic growth, which confirmed the positive correlation between independent innovation and economic growth [2]
Summary
Independent innovation is the process of realizing the value of new products through the unique core technology with independent intellectual property rights [1]. By empirical test of vector error correction estimates model, Li and Pan [6] confirmed that there is a long-term stable equilibrium relationship between independent innovation and industrial structure. From the perspective of technological progress, Zhou et al [8] put forward a method to measure the transformation of economic growth forces based on theoretical analysis results and pointed out that China’s independent innovation showed a good development trend and was expected to become a new source of growth in the future. E main contributions of this paper are summarized as follows: (1) Using the data of Chongqing Statistical Yearbooks from 2015 to 2020 and based on the Cobb-Douglas production function of Solow residual method, this paper constructs a functional relationship model among GDP, employment number, fixed asset investment, and economic growth.
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