In order to achieve economy of scale and improve the status of Chinese high education in the international education market, China is carrying out the combination of high education in a big way, many colleges and universities are involved in this activity.

Research on Investment Efficiency Scale Efficiency and Decision Management of Urban Infrastructure;

The basic properties and characteristics of modern paper industry are analyzed on the basis of the capital, technology and enterprise scale efficiency etc.

This paper analyze the top 30 s scale efficiency of China general manufacturing industry unit,and the result be given is about these units scale efficiency which can be guide for reform.

According to output-DEA models,this paper analyzes the return to scale of DMU.

To solve the problem,the paper importes coefficients of S&T progress and return to scale to modify the production and provide empirical analysis based on the panel.

All (kinds) of assumptions of return to scale are considered into the DEA for measuring environmental performances.

Consideration of high school scale benefit in our country;

On merger and acquisition of China s chain retail trade based on green scale benefit;

The Scale Benefit Study on BOT Sewage Treatment Plant;