Government bonds paying well above the marketrateofinterest have just been made available exclusively to those aged 65 and over.
领先市场利率的养老金债券在不久前也是仅仅提供给65岁以上的人群。
2
The marketrateofinterest can not directly substitute the social discount rate for its defect on preference revealing, interest forming, the reward of risk, etc.
而市场利率由于在偏好揭示、利率形成、风险报酬等方面的缺陷，又不能直接替代社会贴现率。
3
They could borrow at an interestrate only a bit over the Treasury rate and then accumulate large portfolios of mortgages and mortgage-backed securities earning the market rate.