The Economic Effects Analysis of Input-output of Information Industry——Based on Two Departments Perspective

Based on the national input-output data from 2002 to 2010,this paper analyses the features and trends of the economic effects of information industry. The empirical results show that the information manufacturing industry and information service industry have significant difference in linkage structure,industry characters and spread effects. Correlation of the information manufacturing industry and other manufacturing industries is stronger and more stable. The information service industry is transiting to the final consumption industry from the intermediate industry. Moreover the information manufacturing industry plays a more important role in promoting the economy development.