With the Qingdao economic and social development-led, modern logistics, tourism, transport industry has developed rapidly, the volume of traffic and cargo transport traffic increased significantly. At the same time, Qingdao City, road traffic accidents are becoming increasingly frequent and serious impediment to economic development, impact on the construction of a harmonious society. Road transport enterprises with a large number of passenger and cargo transport, the transport process and how to protect the security of enterprise production, capital investment will be limited to safe production, maximize the safety benefits, the realization of people, vehicles, roads and management of the co-ordination, is the starting point of this paper.This article first introduced the background and significance of topics, on road transport, business and industry characteristics are summarized on the road transport enterprise security and efficiency of investment in the content, characteristics, composition, sources, focusing on the impact of security investment of political, economic, scientific, technological and other factors. Secondly, the use of security economics, the establishment of a safety evaluation system for investment and evaluation methods, investment returns from the security analysis, the use of statistical methods, the opportunity cost method, the marginal benefit analysis methods such as investment returns on the security of the macro-economic, micro-economic effective and non-economic benefits of a comprehensive evaluation. Third, the combination of Qingdao City, the status of safety in production, the use of the safety evaluation system for investment returns, cost-effective and non-economic benefits from the two sides of the city of Qingdao, the safety of the road transport sector investment, project investment security, enterprise security investments carried out empirical research , clear the road transport enterprises in Qingdao security status of investment returns.Finally, the use of the method of integrating theory with practice in the investigation and study on the basis of the combination of empirical research on the impact of road transport enterprises in Qingdao security a major factor in investment returns is proposed to improve road transport in Qingdao investment enterprise security solutions. In response, the best investment from a security point of investment in the dynamic analysis, based on optimal security investment, and has established a reasonable degree of security of investment models, and use the model of a transport to carry out an empirical analysis of enterprises, in addition to using nomogram plans to carry out a supplementary application analysis, for the safety of road transport companies have a certain investment decision-making reference guide. By improving the investment thesis that a reasonable degree, a sound investment in security system, to strengthen investment in key areas such as security measures, can effectively improve the road transport enterprises in Qingdao the overall safety level of investment returns. |