| A research method which relationship between safety investment and security performance of construction enterprises based on DEA is proposed to analysis the exist problems about construction enterprises, such as relative lack of investment in safty, relative weak awareness about investment in safty, unreasonable distribution about safty input and so on.Firstly, the theory of safty investment and security performance, the measurement methods of safty investment and security performance, the DEA theory are introduced. Secondly, the scholars’evaluation method and its advantages and disadvantages on construction enterprise safty investment and security performance are elaborated to prove using the DEA method is reasonable. Thirdly, two major safty investment and security performance index system foundation are proposed. The index system is established by combining the characteristics of DEA and construction enterprise. The evaluation modle is established by combining C2R and BC2data envelopment analysis. The relationship between safty investment and security performance of A Company, Qingdao Branch by the established model is analysised according to large amounts of data. Finally, some comments and suggestions are put forward for our country’s investment in security problemsThe research of safety investment and safety performance about construction enterprises through DEA model provides a new perspective for safety inputs and outputs, and is conductive to analysis the investment in safety. The research also provides a scientific reference of decision-making for construction enterprise managers. This is not only the needs of the development of construction enterprises, but also the needs of the national economy and social development. To some extent, this research has significance. |
