| Private enterprises in China have achieved great development, and they have made great contributions to China's national economic development and improved people's living standard. However, there have been some problems worthy of great attention in the development of private enterprises, especially finance and credit have become bottleneck which restricting its development. Credit loss of private enterprise enables economic development and the society pays a heavy price. It not only increases the transaction costs of private enterprise to its own development, and even affects China's economic operation and development. Therefore, strengthening the private enterprise credit management is of practical significance.By analyzing the status of credit management in private enterprises, the dissertation pointed out the prominent problems of credit management system in private enterprises currently. Then it discussed the cause of credit lack in private enterprises, and proposed the way to establish credit chain management in private enterprise group and build business credit network based on transaction costs in order to achieve the goal of the government, the financial sector and enterprise interoperability. The dissertation focused on transaction costs and adaptive credit chain, analysis credit management applied to private enterprises, and built the whole credit chain for private enterprises. In particular, for overdue accounts which form chain scission easily, the dissertation used quantitative methods of dynamic Markov chain in order to conduct credit management in private enterprises to some extent. |