bet365 best casino games With the booming of the digital economy，The importance of data capital to China's economic growth is increasingly emerging。Data is collected、Cleaning、Storage、Processing and other links，Continuous accumulation of value to form data capital。Viewing angle based on data value chain，Data capital formation and data capital stock of the use of cost method and value -added method，Data scales at the physical level with the storage scale method，Data -based capital estimation results use the provincial panel model to estimate its contribution to economic growth，It can be found out: 20032020，my country's data capital formation amount、Data capital stocks have increased significantly in terms of total and per capita per capita，The growth rate is significantly faster than the growth rate of GDP; after 2011，Data capital has obviously exceeded the elasticity of economic growth and contributing to economic growth rates.，It has become one of the important momentum of China's economic growth。

　　Keywords:Data Capital Data Value Chain Value -added Law Economic Growth

　　AuthorLiu Taoxiong，Professor of the School of Social Sciences of Tsinghua University (Beijing 100084); Rongke，Professor of the School of Social Sciences of Tsinghua University (Beijing 100084);，Assistant professor at the School of Economics Management of Beijing University of Communications (Beijing 100044)。