How is the dual economic structure between urban and rural areas in China formed? What's the impact on China's economic development?

Dual economic structure generally refers to the coexistence of modern economic sectors and traditional economic sectors in the national economy of developing countries. Due to history and reality and various reasons, developing countries are backward in science and technology, lack of capital accumulation, low quality of labor force and weak economic foundation. The modernization of the national economy needs a long process. In this process, developing countries generally have two economic sectors with different natures and levels at the same time, thus forming a dual economic structure between urban and rural areas. China's dual economic structure is also formed in this way. The dual economic structure has a dual impact on the economic development of developing countries, including China. On the one hand, it has a positive role in promoting the development of the whole national economy. On the one hand, it can create technical and material conditions for the technological transformation and modernization of the whole national economy, and provide scientific, technological and material equipment support for the development of the traditional economy to the modern economy. On the other hand, it can accumulate certain funds for the development of the national economy and support the development and growth of traditional departments. To promote the modernization of traditional departments, third, it has the guiding and exemplary role of economic development, attracting and promoting the innovation of traditional departments and guiding them towards modernization. On the other hand, if the dual economic structure exists and continues for a long time, especially if the urban-rural dual economic gap continues to expand for a long time, it will have great negative effects. This negative effect is mainly manifested in the long-term backwardness of traditional departments, the restriction of modern departments, especially the development of modern industries in cities, and the expansion of urban-rural differences and differences between workers and peasants.