Research on the influence mechanism of intellectual property protection on China's digital economy

In the context of accelerating the construction of the digital economy, it is of great practical significance to study the degree of intellectual property protection to improve the development of the digital economy to help the high-quality development of China's digital economy. The data of 273 cities in China from 2012 to 2021 were selected as samples, and the level of intellectual property protection was measured by the number of intellectual property cases, and the development of the digital economy was measured by the Internet infrastructure, Internet-related output, and digital financial inclusion. It is found that 1) The protection of intellectual property rights has significantly improved the level of development of the digital economy. 2) Intellectual property protection can promote the development of the digital economy by increasing the activity of innovation. 3) The impact of intellectual property protection on the digital economy is verified from the levels of different regions, city sizes and local financial resources, and it is found that the positive effect of intellectual property protection on the digital economy in the eastern region, Type II large cities and cities with high local financial resources is greater.