关键词: 数字经济, 时空演化, Moran's I指数, 泰尔指数, 速度激励, 区域差异

Abstract: Based on the constructed digital economy development level evaluation index system and panel data of 30 provinces and cities across the country (except Tibet, Hong Kong, Macao and Taiwan) from 2010 to 2018, the temporal and spatial characteristics, dynamic evolution and regional differences of China's digital economy development level are explored. The study fInds that the level of digital economy development in the country and the three major regions has shown a steady upward trend, accompanied by obvious spatial correlation, spatial agglomeration and regional differences. Compared with the central and western regions, the eastern region is more different and has a greater state of speed change. The early digital foundation of the region, the first-order lag in economic development, and government investment in science and technology will all promote the development of the regional digital economy. The level of opening up will inhibit the development of the digital economy, and the impact of regional scale on the digital economy is nonlinear. Different linear influencing factors have different influences on the development level of the digital economy in different regions.

Key words: digital economy, time and space evolution, Moran's I index, Theil index, speed incentive, regional differences