Input-Output Analysis of Listed Companies based on Cobb-Douglas Model---Taking Western China For Example

The input and output ratio of listed companies has become the hot spot of the current academic research. Taking “purchase of goods”, “labor payment”, “purchase and construction of assets” and “development expenditure” as input indicators, and the total income of listed companies as output indicators, the Cobb-Douglas production function is utilized to computed the contribution of each input indicator to output. The samples of listed companies come from service industry, the real estate industry, manufacturing industry and the mining industry in western China. The input-output of listed companies is calculated from 2010 to 2014 in western China. The analysis of the relationship of input-output ratio is analyzed. It can forecast the production and development of listed companies in western China. According to the main problems existing in the input-output, the corresponding strategies and suggestions are given. It has important guidance and reference for optimization the resources allocation of listed companies in western China.