Research On Risk Assessment Model In B2b E-commerce Transaction

Currently all countries in the world want develop e-commerce to improve its industrialization strategy by the expansion of information technology. However, the development of China's B2B e-commerce has not reached the level it deserves, mainly because most of the business e-commerce transactions do not fully trust. Therefore, B2B e-commerce transaction risk assessment and trust management issues, is the current development of e-business problems to be solved.In this paper, we research the existing literature at home and abroad about the risk of e-commerce transactions and various risk assessment method. Recognition by business risk perspective, the risk factors are identified based on the effects of subject and object in the transaction. The subject risk is credit risk. And the credit data should recorded from transact process, whereas the object risk is more complex, including technical risk, management risk, environmental risk, legal risk and other risks. The risk value is set by experts. According to the trust evaluation and risk assessment of the properties, we establish the suitable evaluation index system. Based on this system, we build credit evaluation model of corporate business based on Markov theory, and the B2B e-commerce risk assessment model based on D-S evidence combination theory.we establish an early warning institution on the risk assessment of e-commerce transactions and the analysis results of the existing security policy, set multi-level strategy from the enterprise level, industry level and social level to improve the e-commerce risk management, help the business decision-makers to reduce the risk in the e-commerce transactions.