The interesting thing is that it means that the value of consol moves inversely to the interest rate.

有趣的是,它意味着,债务的价值向着利率的相反方向变化

耶鲁公开课 - 金融市场课程节选

Another formula is--what if the consol doesn't pay-- I'm sorry, the next thing is a growing consol.

另外一个公式则是,如果债务并不偿还会如何,不好意思,接下来要讲的是上涨债券

耶鲁公开课 - 金融市场课程节选

I'm calling it a growing consol even though the British consols didn't grow.

即使英国债券并不升值,我还是要称之为上涨债务

耶鲁公开课 - 金融市场课程节选

The simplest thing is something called a consol or perpetuity.

其中最简单的东西叫做公债或叫永续年金

耶鲁公开课 - 金融市场课程节选

That's the formula for the present value of a consol.

它就是永续公债里现值的计算公式

耶鲁公开课 - 金融市场课程节选