一、利率体系的结构理论上 ,一个完全竞争的金融市场中 ,利率体系的结构可通过基准利率、利率的风险结构和期限结构来刻划。风险结构指相同期限债券的利率与风险特性之间的关系。根据资本资产定价的理论模型 ,每种资产的预期收益等于同期限的无风险证券的收益与风险升水之和。? First, the structure of the interest rate system In theory, a perfectly competitive financial market, the structure of the interest rate system can be benchmarked by interest rates, the interest rate risk structure and the term structure to score. The risk structure refers to the relationship between interest rates and risk characteristics of bonds with the same maturities. According to the theoretical model of capital asset pricing, the expected return of each asset is equal to the sum of the return of the risk-free securities over the same period and the risk premium. ?